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_b5_o10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:33:53,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:33:53,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:33:53,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:33:53,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:33:53,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:33:53,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:33:53,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:33:53,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:33:53,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:33:53,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:33:53,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:33:53,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:33:53,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:33:53,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:33:53,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:33:53,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:33:53,715 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 16:33:53,739 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:33:53,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:33:53,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:33:53,741 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:33:53,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:33:53,742 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:33:53,742 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:33:53,742 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:33:53,743 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:33:53,743 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:33:53,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:33:53,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:33:53,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:33:53,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:33:53,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:33:53,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:33:53,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:33:53,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:33:53,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:33:53,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:33:53,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:33:53,748 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:33:53,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:33:53,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:33:53,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:33:53,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:33:53,749 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:33:53,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:33:53,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:33:53,750 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:33:53,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:33:53,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:33:53,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:33:53,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:33:53,836 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:33:53,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_b5_o10-2.c [2019-09-11 16:33:53,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1164e2e54/27fb02f0fcda4f5898ce713906c7f59e/FLAGf2f0135f2 [2019-09-11 16:33:54,281 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:33:54,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/id_b5_o10-2.c [2019-09-11 16:33:54,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1164e2e54/27fb02f0fcda4f5898ce713906c7f59e/FLAGf2f0135f2 [2019-09-11 16:33:54,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1164e2e54/27fb02f0fcda4f5898ce713906c7f59e [2019-09-11 16:33:54,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:33:54,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:33:54,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:33:54,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:33:54,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:33:54,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:54,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef6a346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54, skipping insertion in model container [2019-09-11 16:33:54,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:54,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:33:54,700 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:33:54,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:33:54,939 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:33:54,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:33:54,976 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:33:54,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54 WrapperNode [2019-09-11 16:33:54,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:33:54,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:33:54,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:33:54,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:33:55,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:55,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:55,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:55,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:55,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:55,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:55,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54" (1/1) ... [2019-09-11 16:33:55,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:33:55,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:33:55,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:33:55,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:33:55,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:33:54" (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 16:33:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:33:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:33:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-09-11 16:33:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:33:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:33:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:33:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-09-11 16:33:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:33:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:33:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:33:55,342 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:33:55,342 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:33:55,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:33:55 BoogieIcfgContainer [2019-09-11 16:33:55,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:33:55,345 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:33:55,345 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:33:55,345 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:33:55,346 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:33:55" (1/1) ... [2019-09-11 16:33:55,412 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:33:55,505 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:33:55,696 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:33:55,703 INFO L272 AbstractInterpreter]: Visited 22 different actions 81 times. Merged at 8 different actions 30 times. Never widened. Performed 138 root evaluator evaluations with a maximum evaluation depth of 6. Performed 138 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 2 different actions. Largest state had 5 variables. [2019-09-11 16:33:55,703 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:33:55,706 INFO L168 Benchmark]: Toolchain (without parser) took 1042.44 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 90.3 MB in the beginning and 154.7 MB in the end (delta: -64.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:33:55,707 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:33:55,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.59 ms. Allocated memory is still 141.6 MB. Free memory was 90.1 MB in the beginning and 81.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:33:55,709 INFO L168 Benchmark]: Boogie Preprocessor took 116.25 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 81.1 MB in the beginning and 178.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:33:55,710 INFO L168 Benchmark]: RCFGBuilder took 249.32 ms. Allocated memory is still 200.8 MB. Free memory was 178.6 MB in the beginning and 168.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:33:55,711 INFO L168 Benchmark]: Abstract Interpretation took 358.67 ms. Allocated memory is still 200.8 MB. Free memory was 167.6 MB in the beginning and 154.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:33:55,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 311.59 ms. Allocated memory is still 141.6 MB. Free memory was 90.1 MB in the beginning and 81.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.25 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 81.1 MB in the beginning and 178.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.32 ms. Allocated memory is still 200.8 MB. Free memory was 178.6 MB in the beginning and 168.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 358.67 ms. Allocated memory is still 200.8 MB. Free memory was 167.6 MB in the beginning and 154.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 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: 15]: 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...