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/while_infinite_loop_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:23,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:23,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:23,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:23,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:23,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:23,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:23,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:23,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:23,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:23,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:23,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:23,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:23,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:23,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:23,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:23,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:23,730 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 [2019-09-20 13:47:23,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:23,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:23,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:23,754 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:23,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:23,755 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:23,755 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:23,755 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:23,756 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:23,756 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:23,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:23,757 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:23,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:23,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:23,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:23,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:23,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:23,759 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:23,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:23,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:23,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:23,759 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:23,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:23,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:23,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:23,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:23,761 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:23,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:23,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:23,761 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:23,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:23,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:23,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:23,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:23,839 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:23,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c [2019-09-20 13:47:23,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa88ca8c8/de792f5db0a84b44804c26e726cf3b4d/FLAG637888bc5 [2019-09-20 13:47:24,359 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:24,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_2.c [2019-09-20 13:47:24,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa88ca8c8/de792f5db0a84b44804c26e726cf3b4d/FLAG637888bc5 [2019-09-20 13:47:24,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa88ca8c8/de792f5db0a84b44804c26e726cf3b4d [2019-09-20 13:47:24,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:24,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:24,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:24,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:24,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:24,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:24" (1/1) ... [2019-09-20 13:47:24,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9248e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:24, skipping insertion in model container [2019-09-20 13:47:24,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:24" (1/1) ... [2019-09-20 13:47:24,808 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:24,823 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:25,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:25,020 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:25,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:25,047 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:25,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25 WrapperNode [2019-09-20 13:47:25,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:25,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:25,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:25,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:25,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:25,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:25,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:25,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:25,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (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 [2019-09-20 13:47:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:25,337 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:25,337 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:25,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:25 BoogieIcfgContainer [2019-09-20 13:47:25,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:25,339 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:25,339 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:25,340 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:25,340 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:25,454 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:25,474 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 9 root evaluator evaluations with a maximum evaluation depth of 6. Performed 9 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 2 variables. [2019-09-20 13:47:25,474 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:25,478 INFO L168 Benchmark]: Toolchain (without parser) took 682.26 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.3 MB in the beginning and 160.5 MB in the end (delta: -72.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:25,479 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:25,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.85 ms. Allocated memory is still 134.2 MB. Free memory was 88.3 MB in the beginning and 78.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:25,481 INFO L168 Benchmark]: Boogie Preprocessor took 111.03 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 78.9 MB in the beginning and 176.9 MB in the end (delta: -97.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:25,482 INFO L168 Benchmark]: RCFGBuilder took 179.18 ms. Allocated memory is still 200.8 MB. Free memory was 176.9 MB in the beginning and 167.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:25,483 INFO L168 Benchmark]: Abstract Interpretation took 134.72 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 160.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:25,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.85 ms. Allocated memory is still 134.2 MB. Free memory was 88.3 MB in the beginning and 78.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.03 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 78.9 MB in the beginning and 176.9 MB in the end (delta: -97.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 179.18 ms. Allocated memory is still 200.8 MB. Free memory was 176.9 MB in the beginning and 167.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 134.72 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 160.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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: [L10] int x=0; [L12] COND TRUE 1 [L14] CALL __VERIFIER_assert(x==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...