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-invgen/up.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:35:22,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:35:22,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:35:22,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 13:35:22,861 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 [2019-09-05 13:35:22,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:35:22,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:35:22,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:35:22,876 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:35:22,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:35:22,877 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:35:22,877 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:35:22,877 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:35:22,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:35:22,878 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:35:22,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:35:22,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:35:22,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:35:22,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:35:22,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:35:22,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:35:22,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:35:22,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:35:22,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:35:22,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:35:22,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:35:22,881 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:35:22,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:35:22,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:35:22,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:35:22,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:35:22,882 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:35:22,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:35:22,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:35:22,883 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:35:22,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:35:22,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:35:22,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:35:22,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:35:22,927 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:35:22,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/up.i [2019-09-05 13:35:22,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423f3f6fd/639c384c8fe5449ebd92c4b13eb7763f/FLAGb3d2a84a8 [2019-09-05 13:35:23,411 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:35:23,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/up.i [2019-09-05 13:35:23,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423f3f6fd/639c384c8fe5449ebd92c4b13eb7763f/FLAGb3d2a84a8 [2019-09-05 13:35:23,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423f3f6fd/639c384c8fe5449ebd92c4b13eb7763f [2019-09-05 13:35:23,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:35:23,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:35:23,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:23,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:35:23,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:35:23,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:23" (1/1) ... [2019-09-05 13:35:23,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fffac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:23, skipping insertion in model container [2019-09-05 13:35:23,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:23" (1/1) ... [2019-09-05 13:35:23,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:35:23,861 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:35:24,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:24,044 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:35:24,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:24,076 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:35:24,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24 WrapperNode [2019-09-05 13:35:24,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:24,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:35:24,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:35:24,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:35:24,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24" (1/1) ... [2019-09-05 13:35:24,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24" (1/1) ... [2019-09-05 13:35:24,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24" (1/1) ... [2019-09-05 13:35:24,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24" (1/1) ... [2019-09-05 13:35:24,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24" (1/1) ... [2019-09-05 13:35:24,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24" (1/1) ... [2019-09-05 13:35:24,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24" (1/1) ... [2019-09-05 13:35:24,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:35:24,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:35:24,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:35:24,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:35:24,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:24" (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 [2019-09-05 13:35:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:35:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:35:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:35:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:35:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:35:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:35:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:35:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:35:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:35:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:35:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:35:24,429 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:35:24,430 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-05 13:35:24,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:24 BoogieIcfgContainer [2019-09-05 13:35:24,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:35:24,438 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:35:24,438 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:35:24,439 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:35:24,440 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:24" (1/1) ... [2019-09-05 13:35:24,476 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:35:24,708 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:35:24,725 INFO L272 AbstractInterpreter]: Visited 24 different actions 125 times. Merged at 8 different actions 37 times. Widened at 3 different actions 6 times. Performed 189 root evaluator evaluations with a maximum evaluation depth of 6. Performed 189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 12 fixpoints after 4 different actions. Largest state had 10 variables. [2019-09-05 13:35:24,725 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:35:24,728 INFO L168 Benchmark]: Toolchain (without parser) took 899.29 ms. Allocated memory was 134.7 MB in the beginning and 198.2 MB in the end (delta: 63.4 MB). Free memory was 85.8 MB in the beginning and 152.5 MB in the end (delta: -66.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 13:35:24,730 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:35:24,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.67 ms. Allocated memory is still 134.7 MB. Free memory was 85.6 MB in the beginning and 76.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:24,732 INFO L168 Benchmark]: Boogie Preprocessor took 113.16 ms. Allocated memory was 134.7 MB in the beginning and 198.2 MB in the end (delta: 63.4 MB). Free memory was 76.4 MB in the beginning and 175.6 MB in the end (delta: -99.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:24,734 INFO L168 Benchmark]: RCFGBuilder took 246.51 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 164.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:24,735 INFO L168 Benchmark]: Abstract Interpretation took 287.04 ms. Allocated memory is still 198.2 MB. Free memory was 164.2 MB in the beginning and 152.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:24,741 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 134.7 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.67 ms. Allocated memory is still 134.7 MB. Free memory was 85.6 MB in the beginning and 76.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.16 ms. Allocated memory was 134.7 MB in the beginning and 198.2 MB in the end (delta: 63.4 MB). Free memory was 76.4 MB in the beginning and 175.6 MB in the end (delta: -99.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.51 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 164.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 287.04 ms. Allocated memory is still 198.2 MB. Free memory was 164.2 MB in the beginning and 152.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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] int n; [L12] int i = 0; [L13] int k = 0; [L14] n = __VERIFIER_nondet_int() [L15] COND TRUE i < n [L16] i++ [L17] k++ [L15] COND FALSE !(i < n) [L19] int j = 0; [L20] COND TRUE j < n [L21] CALL __VERIFIER_assert (k > 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...