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_03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:27:29,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:29,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:29,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:27:29,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:27:29,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:27:29,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:27:29,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:27:29,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:27:29,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:27:29,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:27:29,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:27:29,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:27:29,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:27:29,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:27:29,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:27:29,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:27:29,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:27:29,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:27:29,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:27:29,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:27:29,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:27:29,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:27:29,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:27:29,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:27:29,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:27:29,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:27:29,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:27:29,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:27:29,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:27:29,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:27:29,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:27:29,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:27:29,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:27:29,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:27:29,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:27:29,326 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 [2019-09-16 17:27:29,340 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:29,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:29,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:29,341 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:29,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:29,342 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:29,342 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:29,343 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:29,343 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:29,343 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:29,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:29,344 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:29,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:29,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:29,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:29,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:29,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:29,345 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:29,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:29,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:29,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:29,346 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:29,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:29,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:29,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:29,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:29,347 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:29,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:29,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:29,348 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:29,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:29,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:29,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:29,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:29,394 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:29,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-2.i [2019-09-16 17:27:29,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ccbcf860/a31fbdf3c4ba4a44ade920fdad3687e7/FLAG992e4f62a [2019-09-16 17:27:29,911 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:29,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-2.i [2019-09-16 17:27:29,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ccbcf860/a31fbdf3c4ba4a44ade920fdad3687e7/FLAG992e4f62a [2019-09-16 17:27:30,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ccbcf860/a31fbdf3c4ba4a44ade920fdad3687e7 [2019-09-16 17:27:30,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:30,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:30,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:30,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:30,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:30,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682ee9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30, skipping insertion in model container [2019-09-16 17:27:30,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,330 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:30,347 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:30,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:30,560 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:30,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:30,599 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:30,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30 WrapperNode [2019-09-16 17:27:30,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:30,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:30,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:30,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:30,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:30,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:30,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:30,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:30,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:30,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:30" (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 [2019-09-16 17:27:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:27:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 17:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:30,965 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:30,965 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:27:30,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:30 BoogieIcfgContainer [2019-09-16 17:27:30,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:30,970 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:30,971 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:30,971 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:30,972 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:30" (1/1) ... [2019-09-16 17:27:31,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:27:31,288 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:27:31,304 INFO L272 AbstractInterpreter]: Visited 24 different actions 37 times. Merged at 4 different actions 6 times. Never widened. Performed 30 root evaluator evaluations with a maximum evaluation depth of 8. Performed 30 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 5 variables. [2019-09-16 17:27:31,305 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:27:31,308 INFO L168 Benchmark]: Toolchain (without parser) took 997.04 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.1 MB in the beginning and 152.7 MB in the end (delta: -65.6 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:31,309 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:27:31,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.76 ms. Allocated memory is still 131.6 MB. Free memory was 86.9 MB in the beginning and 77.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:31,312 INFO L168 Benchmark]: Boogie Preprocessor took 133.42 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.6 MB in the beginning and 176.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:31,313 INFO L168 Benchmark]: RCFGBuilder took 232.69 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 164.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:31,315 INFO L168 Benchmark]: Abstract Interpretation took 334.39 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 152.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:31,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.76 ms. Allocated memory is still 131.6 MB. Free memory was 86.9 MB in the beginning and 77.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.42 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.6 MB in the beginning and 176.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 232.69 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 164.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 334.39 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 152.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 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: [L12] int x=__VERIFIER_nondet_int(); [L13] int y=__VERIFIER_nondet_int(); [L14] COND FALSE !(!(y <= 1000000)) [L15] COND FALSE !(y>0) [L20] CALL __VERIFIER_assert(y<=0 || (y>0 && x>=100)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...