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-crafted-1/nested5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:25,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:25,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:25,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:25,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:25,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:25,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:25,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:25,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:25,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:25,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:25,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-10-15 04:44:25,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:25,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:25,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:25,871 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 04:44:25,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:25,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:25,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:25,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:25,888 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:25,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:25,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:25,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:25,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:25,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:25,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:25,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:25,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:25,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:25,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:25,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:25,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:25,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:25,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:25,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:25,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:25,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:25,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:25,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:25,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:25,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:25,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:25,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:25,895 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 04:44:26,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:26,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:26,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:26,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:26,191 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:26,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2019-10-15 04:44:26,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cd54136/598196e9a943476ebe1302a85ece74dd/FLAGa71b5bb60 [2019-10-15 04:44:26,748 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:26,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2019-10-15 04:44:26,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cd54136/598196e9a943476ebe1302a85ece74dd/FLAGa71b5bb60 [2019-10-15 04:44:27,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cd54136/598196e9a943476ebe1302a85ece74dd [2019-10-15 04:44:27,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:27,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:27,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:27,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:27,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:27,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c472977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27, skipping insertion in model container [2019-10-15 04:44:27,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,117 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:27,135 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:27,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:27,326 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:27,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:27,355 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:27,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27 WrapperNode [2019-10-15 04:44:27,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:27,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:27,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:27,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:27,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:27,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:27,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:27,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:27,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:27" (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 [2019-10-15 04:44:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:27,756 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:27,756 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 04:44:27,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:27 BoogieIcfgContainer [2019-10-15 04:44:27,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:27,758 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:27,758 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:27,759 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:27,760 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:27" (1/1) ... [2019-10-15 04:44:27,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:27,851 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:44:29,934 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:29,960 INFO L272 AbstractInterpreter]: Visited 36 different actions 585 times. Merged at 17 different actions 237 times. Widened at 9 different actions 78 times. Performed 1086 root evaluator evaluations with a maximum evaluation depth of 12. Performed 1086 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 98 fixpoints after 10 different actions. Largest state had 11 variables. [2019-10-15 04:44:29,961 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:29,966 INFO L168 Benchmark]: Toolchain (without parser) took 2862.38 ms. Allocated memory was 145.2 MB in the beginning and 319.8 MB in the end (delta: 174.6 MB). Free memory was 102.1 MB in the beginning and 186.7 MB in the end (delta: -84.6 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:29,968 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:29,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.76 ms. Allocated memory is still 145.2 MB. Free memory was 102.1 MB in the beginning and 92.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:29,971 INFO L168 Benchmark]: Boogie Preprocessor took 123.21 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 92.3 MB in the beginning and 181.2 MB in the end (delta: -88.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:29,974 INFO L168 Benchmark]: RCFGBuilder took 277.92 ms. Allocated memory is still 203.4 MB. Free memory was 181.2 MB in the beginning and 167.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:29,975 INFO L168 Benchmark]: Abstract Interpretation took 2202.92 ms. Allocated memory was 203.4 MB in the beginning and 319.8 MB in the end (delta: 116.4 MB). Free memory was 167.7 MB in the beginning and 186.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:29,985 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.76 ms. Allocated memory is still 145.2 MB. Free memory was 102.1 MB in the beginning and 92.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.21 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 92.3 MB in the beginning and 181.2 MB in the end (delta: -88.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.92 ms. Allocated memory is still 203.4 MB. Free memory was 181.2 MB in the beginning and 167.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2202.92 ms. Allocated memory was 203.4 MB in the beginning and 319.8 MB in the end (delta: 116.4 MB). Free memory was 167.7 MB in the beginning and 186.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 97.5 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] unsigned int x = 0; [L12] unsigned int y = 0; [L13] unsigned int z = 0; [L14] unsigned int w = 0; [L15] unsigned int v = 0; [L16] w=0 [L16] COND TRUE w<0x0fffffff [L17] x=0 [L17] COND TRUE x< 10 [L18] y=0 [L18] COND TRUE y< 10 [L19] z=0 [L19] COND TRUE z< 10 [L20] v=0 [L20] COND FALSE !(v< 10) [L21] CALL __VERIFIER_assert(v % 4) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...