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 0.1.24-112bae1 [2019-09-11 16:13:57,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:13:57,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:13:57,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:13:57,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:13:57,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:13:57,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:13:57,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:13:57,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:13:57,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:13:57,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:13:57,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:13:57,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:13:57,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:13:57,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:13:57,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:13:57,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:13:57,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:13:57,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:13:57,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:13:57,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:13:57,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:13:57,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:13:57,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:13:57,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:13:57,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:13:57,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:13:57,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:13:57,345 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 [2019-09-11 16:13:57,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:13:57,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:13:57,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:13:57,362 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:13:57,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:13:57,363 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:13:57,363 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:13:57,363 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:13:57,363 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:13:57,363 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:13:57,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:13:57,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:13:57,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:13:57,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:13:57,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:13:57,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:13:57,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:13:57,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:13:57,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:13:57,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:13:57,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:13:57,366 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:13:57,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:13:57,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:13:57,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:13:57,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:13:57,367 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:13:57,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:13:57,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:13:57,368 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:13:57,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:13:57,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:13:57,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:13:57,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:13:57,416 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:13:57,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/Mono3_1.c [2019-09-11 16:13:57,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543cf63e/87cd38bd51244d3ebc8abec4917806e4/FLAG0d8b1e6ee [2019-09-11 16:13:57,931 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:13:57,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/Mono3_1.c [2019-09-11 16:13:57,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543cf63e/87cd38bd51244d3ebc8abec4917806e4/FLAG0d8b1e6ee [2019-09-11 16:13:58,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543cf63e/87cd38bd51244d3ebc8abec4917806e4 [2019-09-11 16:13:58,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:13:58,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:13:58,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:58,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:13:58,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:13:58,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476e4fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58, skipping insertion in model container [2019-09-11 16:13:58,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,346 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:13:58,361 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:13:58,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:58,568 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:13:58,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:58,600 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:13:58,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58 WrapperNode [2019-09-11 16:13:58,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:58,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:13:58,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:13:58,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:13:58,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:13:58,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:13:58,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:13:58,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:13:58,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:58" (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 [2019-09-11 16:13:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:13:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:13:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:13:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:13:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:13:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:13:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:13:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:13:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:13:58,948 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:13:58,948 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:13:58,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:58 BoogieIcfgContainer [2019-09-11 16:13:58,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:13:58,951 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:13:58,951 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:13:58,951 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:13:58,952 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:58" (1/1) ... [2019-09-11 16:13:58,977 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:13:59,063 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:13:59,347 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:13:59,373 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. [2019-09-11 16:13:59,373 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:13:59,379 INFO L168 Benchmark]: Toolchain (without parser) took 1047.02 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 87.7 MB in the beginning and 150.9 MB in the end (delta: -63.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:13:59,380 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:13:59,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.08 ms. Allocated memory is still 140.0 MB. Free memory was 87.5 MB in the beginning and 78.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:59,385 INFO L168 Benchmark]: Boogie Preprocessor took 126.65 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 78.3 MB in the beginning and 177.9 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:59,387 INFO L168 Benchmark]: RCFGBuilder took 222.02 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 166.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:59,388 INFO L168 Benchmark]: Abstract Interpretation took 422.81 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 150.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:59,401 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 140.0 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.08 ms. Allocated memory is still 140.0 MB. Free memory was 87.5 MB in the beginning and 78.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.65 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 78.3 MB in the beginning and 177.9 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 222.02 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 166.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 422.81 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 150.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 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...