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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:21,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:21,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:21,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:21,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-03 21:26:21,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:21,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:21,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:21,773 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:21,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:21,774 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:21,774 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:21,775 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:21,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:21,775 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:21,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:21,776 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:21,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:21,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:21,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:21,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:21,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:21,777 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:21,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:21,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:21,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:21,778 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:21,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:21,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:21,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:21,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:21,779 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:21,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:21,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:21,780 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:21,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:21,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:21,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:21,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:21,827 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:21,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-09-03 21:26:21,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5e49409/035788e823a54c4b9224a68c732f12e9/FLAG776d40978 [2019-09-03 21:26:22,374 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:22,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-09-03 21:26:22,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5e49409/035788e823a54c4b9224a68c732f12e9/FLAG776d40978 [2019-09-03 21:26:22,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5e49409/035788e823a54c4b9224a68c732f12e9 [2019-09-03 21:26:22,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:22,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:22,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:22,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:22,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:22,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a9b815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22, skipping insertion in model container [2019-09-03 21:26:22,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,758 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:22,775 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:22,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:22,949 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:22,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:22,974 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:22,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22 WrapperNode [2019-09-03 21:26:22,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:22,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:22,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:22,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:23,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:23,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:23,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:23,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:23,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:23,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:23,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:23,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:23,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:23,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:23,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:23,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (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 [2019-09-03 21:26:23,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:23,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:23,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:23,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:23,311 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:23,312 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:23,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:23 BoogieIcfgContainer [2019-09-03 21:26:23,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:23,314 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:23,314 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:23,314 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:23,315 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:23" (1/1) ... [2019-09-03 21:26:23,339 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:23,408 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:26:23,811 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:23,844 INFO L272 AbstractInterpreter]: Visited 19 different actions 84 times. Merged at 4 different actions 20 times. Widened at 1 different actions 3 times. Performed 98 root evaluator evaluations with a maximum evaluation depth of 9. Performed 98 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 6 fixpoints after 2 different actions. Largest state had 4 variables. [2019-09-03 21:26:23,844 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:23,850 INFO L168 Benchmark]: Toolchain (without parser) took 1105.23 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 87.8 MB in the beginning and 125.9 MB in the end (delta: -38.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,852 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.33 ms. Allocated memory is still 141.0 MB. Free memory was 87.4 MB in the beginning and 78.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,856 INFO L168 Benchmark]: Boogie Preprocessor took 130.30 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 78.3 MB in the beginning and 179.4 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,858 INFO L168 Benchmark]: RCFGBuilder took 207.41 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 169.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,860 INFO L168 Benchmark]: Abstract Interpretation took 530.70 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 125.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 232.33 ms. Allocated memory is still 141.0 MB. Free memory was 87.4 MB in the beginning and 78.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.30 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 78.3 MB in the beginning and 179.4 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 207.41 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 169.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 530.70 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 125.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: 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: [L15] unsigned int i = 0; [L16] unsigned int j = 0; [L17] unsigned int k = 0; [L19] COND TRUE k < 0x0fffffff [L20] i = i + 1 [L21] j = j + 2 [L22] k = k + 3 [L23] CALL __VERIFIER_assert((k == 3*i) && (j == 2*i)) [L7] COND TRUE !(cond) [L8] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...