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/loops-crafted-1/Mono3_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:35:57,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:35:57,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:35:57,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 13:35:57,981 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 13:35:57,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:35:57,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:35:57,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:35:57,997 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:35:57,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:35:57,998 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:35:57,998 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:35:57,999 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:35:57,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:35:57,999 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:35:58,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:35:58,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:35:58,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:35:58,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:35:58,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:35:58,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:35:58,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:35:58,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:35:58,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:35:58,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:35:58,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:35:58,002 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:35:58,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:35:58,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:35:58,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:35:58,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:35:58,003 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:35:58,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:35:58,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:35:58,004 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:35:58,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:35:58,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:35:58,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:35:58,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:35:58,061 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:35:58,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/Mono3_1.c [2019-09-05 13:35:58,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56ee952c/0871e9764ed14f19b54582c31cc0b388/FLAG58af50962 [2019-09-05 13:35:58,646 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:35:58,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/Mono3_1.c [2019-09-05 13:35:58,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56ee952c/0871e9764ed14f19b54582c31cc0b388/FLAG58af50962 [2019-09-05 13:35:59,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56ee952c/0871e9764ed14f19b54582c31cc0b388 [2019-09-05 13:35:59,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:35:59,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:35:59,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:59,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:35:59,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:35:59,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b37af4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59, skipping insertion in model container [2019-09-05 13:35:59,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,084 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:35:59,101 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:35:59,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:59,281 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:35:59,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:59,310 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:35:59,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59 WrapperNode [2019-09-05 13:35:59,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:59,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:35:59,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:35:59,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:35:59,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:35:59,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:35:59,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:35:59,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:35:59,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:59" (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 13:35:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:35:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:35:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:35:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:35:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:35:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:35:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:35:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:35:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:35:59,654 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:35:59,655 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:35:59,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:59 BoogieIcfgContainer [2019-09-05 13:35:59,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:35:59,657 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:35:59,657 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:35:59,657 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:35:59,658 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:59" (1/1) ... [2019-09-05 13:35:59,687 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:35:59,788 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-05 13:36:00,090 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:36:00,117 INFO L272 AbstractInterpreter]: Visited 22 different actions 119 times. Merged at 7 different actions 37 times. Widened at 1 different actions 4 times. Performed 175 root evaluator evaluations with a maximum evaluation depth of 7. Performed 175 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 14 fixpoints after 4 different actions. Largest state had 6 variables. [2019-09-05 13:36:00,117 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:36:00,123 INFO L168 Benchmark]: Toolchain (without parser) took 1054.44 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 147.6 MB in the end (delta: -59.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:00,124 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 13:36:00,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.13 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 78.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:00,128 INFO L168 Benchmark]: Boogie Preprocessor took 121.63 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.9 MB in the beginning and 174.7 MB in the end (delta: -95.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:00,130 INFO L168 Benchmark]: RCFGBuilder took 222.95 ms. Allocated memory is still 198.7 MB. Free memory was 174.7 MB in the beginning and 163.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:00,131 INFO L168 Benchmark]: Abstract Interpretation took 460.35 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 147.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:00,141 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.13 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 78.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.63 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.9 MB in the beginning and 174.7 MB in the end (delta: -95.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 222.95 ms. Allocated memory is still 198.7 MB. Free memory was 174.7 MB in the beginning and 163.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 460.35 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 147.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 2]: 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: [L5] unsigned int x = 0; [L6] unsigned int y = 0; [L7] COND FALSE !(x < 1000000) [L15] CALL __VERIFIER_assert(y!=0) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...