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/for_infinite_loop_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:25:32,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:25:32,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:25:32,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:25:32,683 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 21:25:32,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:25:32,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:25:32,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:25:32,699 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:25:32,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:25:32,700 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:25:32,700 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:25:32,700 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:25:32,701 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:25:32,701 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:25:32,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:25:32,702 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:25:32,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:25:32,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:25:32,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:25:32,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:25:32,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:25:32,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:25:32,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:25:32,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:25:32,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:25:32,704 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:25:32,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:25:32,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:25:32,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:25:32,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:25:32,705 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:25:32,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:25:32,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:25:32,706 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:25:32,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:25:32,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:25:32,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:25:32,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:25:32,757 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:25:32,758 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/for_infinite_loop_2.c [2019-09-03 21:25:32,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/179e1f0ce/aca1a7cf90f24c6882f9b6bfcaec9711/FLAGa40047a69 [2019-09-03 21:25:33,289 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:25:33,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/for_infinite_loop_2.c [2019-09-03 21:25:33,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/179e1f0ce/aca1a7cf90f24c6882f9b6bfcaec9711/FLAGa40047a69 [2019-09-03 21:25:33,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/179e1f0ce/aca1a7cf90f24c6882f9b6bfcaec9711 [2019-09-03 21:25:33,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:25:33,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:25:33,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:33,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:25:33,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:25:33,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:33,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2301ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33, skipping insertion in model container [2019-09-03 21:25:33,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:33,731 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:25:33,751 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:25:33,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:33,956 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:25:33,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:33,993 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:25:33,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33 WrapperNode [2019-09-03 21:25:33,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:33,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:25:33,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:25:33,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:25:34,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:34,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:34,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:34,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:34,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:34,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:34,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33" (1/1) ... [2019-09-03 21:25:34,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:25:34,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:25:34,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:25:34,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:25:34,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:33" (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 21:25:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:25:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:25:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:25:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:25:34,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:25:34,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:25:34,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:25:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:25:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:25:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:25:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:25:34,346 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:25:34,346 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:25:34,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:34 BoogieIcfgContainer [2019-09-03 21:25:34,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:25:34,354 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:25:34,355 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:25:34,355 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:25:34,356 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:34" (1/1) ... [2019-09-03 21:25:34,408 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:25:34,697 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:25:34,714 INFO L272 AbstractInterpreter]: Visited 22 different actions 94 times. Merged at 3 different actions 18 times. Widened at 1 different actions 2 times. Performed 108 root evaluator evaluations with a maximum evaluation depth of 6. Performed 108 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 7 variables. [2019-09-03 21:25:34,714 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:25:34,717 INFO L168 Benchmark]: Toolchain (without parser) took 1003.44 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 150.5 MB in the end (delta: -64.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:34,719 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:25:34,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.75 ms. Allocated memory is still 130.5 MB. Free memory was 86.2 MB in the beginning and 77.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:34,721 INFO L168 Benchmark]: Boogie Preprocessor took 122.48 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 77.1 MB in the beginning and 174.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:34,723 INFO L168 Benchmark]: RCFGBuilder took 237.11 ms. Allocated memory is still 198.2 MB. Free memory was 174.6 MB in the beginning and 162.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:34,724 INFO L168 Benchmark]: Abstract Interpretation took 359.93 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 150.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:34,729 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.75 ms. Allocated memory is still 130.5 MB. Free memory was 86.2 MB in the beginning and 77.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.48 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 77.1 MB in the beginning and 174.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 237.11 ms. Allocated memory is still 198.2 MB. Free memory was 174.6 MB in the beginning and 162.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 359.93 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 150.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L14] unsigned int i=0; [L15] int x=0, y=0; [L16] int n=__VERIFIER_nondet_int(); [L17] COND FALSE !(!(n>0)) [L18] i=0 [L18] COND TRUE 1 [L20] CALL __VERIFIER_assert(x==0) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...