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/terminator_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:39:16,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:39:16,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:39:16,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:39:16,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:39:16,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:39:16,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:39:16,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:39:16,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:39:16,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:39:16,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:39:16,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:39:16,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:39:16,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:39:16,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:39:16,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:39:16,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:39:16,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:39:16,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:39:16,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:39:16,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:39:16,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:39:16,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:39:16,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:39:16,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:39:16,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:39:16,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:39:16,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:39:16,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:39:16,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:39:16,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:39:16,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:39:16,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:39:16,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:39:16,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:39:16,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:39:16,314 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 [2019-10-03 12:39:16,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:39:16,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:39:16,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:39:16,343 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:39:16,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:39:16,344 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:39:16,344 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:39:16,345 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:39:16,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:39:16,345 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:39:16,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:39:16,347 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:39:16,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:39:16,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:39:16,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:39:16,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:39:16,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:39:16,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:39:16,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:39:16,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:39:16,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:39:16,350 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:39:16,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:39:16,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:39:16,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:39:16,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:39:16,353 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:39:16,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:39:16,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:39:16,354 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:39:16,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:39:16,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:39:16,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:39:16,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:39:16,414 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:39:16,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2019-10-03 12:39:16,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c95e77/609c79fbbdb041a0be0531c254c913a9/FLAGafb44fe73 [2019-10-03 12:39:16,897 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:39:16,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2019-10-03 12:39:16,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c95e77/609c79fbbdb041a0be0531c254c913a9/FLAGafb44fe73 [2019-10-03 12:39:17,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c95e77/609c79fbbdb041a0be0531c254c913a9 [2019-10-03 12:39:17,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:39:17,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:39:17,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:17,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:39:17,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:39:17,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35da1448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17, skipping insertion in model container [2019-10-03 12:39:17,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,354 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:39:17,368 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:39:17,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:17,541 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:39:17,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:17,568 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:39:17,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17 WrapperNode [2019-10-03 12:39:17,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:17,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:39:17,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:39:17,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:39:17,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:39:17,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:39:17,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:39:17,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:39:17,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:17" (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 [2019-10-03 12:39:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:39:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:39:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:39:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:39:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:39:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:39:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:39:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 12:39:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:39:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:39:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:39:17,914 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:39:17,915 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:39:17,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:17 BoogieIcfgContainer [2019-10-03 12:39:17,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:39:17,923 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:39:17,923 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:39:17,923 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:39:17,924 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:17" (1/1) ... [2019-10-03 12:39:17,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:39:18,108 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-03 12:39:18,170 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:39:18,195 INFO L272 AbstractInterpreter]: Visited 16 different actions 49 times. Merged at 3 different actions 9 times. Widened at 1 different actions 1 times. Performed 114 root evaluator evaluations with a maximum evaluation depth of 5. Performed 114 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 2 different actions. Largest state had 12 variables. [2019-10-03 12:39:18,196 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:39:18,199 INFO L168 Benchmark]: Toolchain (without parser) took 869.57 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 87.8 MB in the beginning and 157.3 MB in the end (delta: -69.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:39:18,205 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:18,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.15 ms. Allocated memory is still 139.5 MB. Free memory was 87.6 MB in the beginning and 78.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:18,209 INFO L168 Benchmark]: Boogie Preprocessor took 113.02 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 78.3 MB in the beginning and 178.7 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:18,210 INFO L168 Benchmark]: RCFGBuilder took 239.51 ms. Allocated memory is still 200.8 MB. Free memory was 178.7 MB in the beginning and 166.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:18,211 INFO L168 Benchmark]: Abstract Interpretation took 273.03 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 157.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:18,217 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 139.5 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.15 ms. Allocated memory is still 139.5 MB. Free memory was 87.6 MB in the beginning and 78.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.02 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 78.3 MB in the beginning and 178.7 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.51 ms. Allocated memory is still 200.8 MB. Free memory was 178.7 MB in the beginning and 166.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 273.03 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 157.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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: [L14] int x=__VERIFIER_nondet_int(); [L15] int y=__VERIFIER_nondet_int(); [L16] int z=__VERIFIER_nondet_int(); [L18] COND FALSE !(x<100 && 100