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/recursive-simple/id_o200.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:34:16,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:34:16,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:34:16,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:34:16,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:34:16,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:34:16,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:34:16,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:34:16,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:34:16,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:34:16,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:34:16,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:34:16,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:34:16,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:34:16,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:34:16,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:34:16,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:34:16,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:34:16,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:34:16,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:34:16,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:34:16,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:34:16,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:34:16,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:34:16,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:34:16,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:34:16,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:34:16,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:34:16,326 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 [2019-09-11 16:34:16,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:34:16,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:34:16,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:34:16,359 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:34:16,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:34:16,360 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:34:16,361 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:34:16,361 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:34:16,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:34:16,361 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:34:16,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:34:16,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:34:16,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:34:16,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:34:16,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:34:16,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:34:16,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:34:16,366 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:34:16,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:34:16,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:34:16,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:34:16,367 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:34:16,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:34:16,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:34:16,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:34:16,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:34:16,368 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:34:16,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:34:16,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:34:16,369 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:34:16,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:34:16,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:34:16,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:34:16,442 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:34:16,443 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:34:16,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_o200.c [2019-09-11 16:34:16,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f95befc/cc91d1431509477c9b1d521a6f13599c/FLAG27b42355c [2019-09-11 16:34:16,924 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:34:16,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/id_o200.c [2019-09-11 16:34:16,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f95befc/cc91d1431509477c9b1d521a6f13599c/FLAG27b42355c [2019-09-11 16:34:17,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f95befc/cc91d1431509477c9b1d521a6f13599c [2019-09-11 16:34:17,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:34:17,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:34:17,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:34:17,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:34:17,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:34:17,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6e5bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17, skipping insertion in model container [2019-09-11 16:34:17,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:34:17,358 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:34:17,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:34:17,519 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:34:17,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:34:17,554 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:34:17,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17 WrapperNode [2019-09-11 16:34:17,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:34:17,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:34:17,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:34:17,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:34:17,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:34:17,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:34:17,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:34:17,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:34:17,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:34:17" (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 [2019-09-11 16:34:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:34:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:34:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-09-11 16:34:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:34:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-11 16:34:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:34:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-09-11 16:34:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:34:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:34:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:34:17,889 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:34:17,889 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:34:17,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:34:17 BoogieIcfgContainer [2019-09-11 16:34:17,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:34:17,892 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:34:17,892 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:34:17,892 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:34:17,893 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:34:17" (1/1) ... [2019-09-11 16:34:17,915 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:34:17,978 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:34:18,050 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:34:18,057 INFO L272 AbstractInterpreter]: Visited 20 different actions 69 times. Merged at 7 different actions 27 times. Never widened. Performed 49 root evaluator evaluations with a maximum evaluation depth of 4. Performed 49 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 4 fixpoints after 2 different actions. Largest state had 5 variables. [2019-09-11 16:34:18,058 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:34:18,060 INFO L168 Benchmark]: Toolchain (without parser) took 745.57 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 92.3 MB in the beginning and 161.4 MB in the end (delta: -69.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:34:18,062 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:34:18,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.58 ms. Allocated memory is still 144.2 MB. Free memory was 92.1 MB in the beginning and 83.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:34:18,065 INFO L168 Benchmark]: Boogie Preprocessor took 123.19 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 83.0 MB in the beginning and 180.1 MB in the end (delta: -97.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:34:18,066 INFO L168 Benchmark]: RCFGBuilder took 212.06 ms. Allocated memory is still 201.3 MB. Free memory was 179.6 MB in the beginning and 169.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:34:18,067 INFO L168 Benchmark]: Abstract Interpretation took 166.12 ms. Allocated memory is still 201.3 MB. Free memory was 169.2 MB in the beginning and 161.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:34:18,073 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 230.58 ms. Allocated memory is still 144.2 MB. Free memory was 92.1 MB in the beginning and 83.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.19 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 83.0 MB in the beginning and 180.1 MB in the end (delta: -97.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.06 ms. Allocated memory is still 201.3 MB. Free memory was 179.6 MB in the beginning and 169.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 166.12 ms. Allocated memory is still 201.3 MB. Free memory was 169.2 MB in the beginning and 161.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...