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/ldv-regression/test16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:51,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:51,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:51,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:51,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:51,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:51,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:51,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:51,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:51,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:51,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:51,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:51,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:51,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:51,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:51,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:51,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:51,512 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 [2019-09-20 13:48:51,534 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:51,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:51,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:51,535 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:51,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:51,536 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:51,536 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:51,536 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:51,536 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:51,537 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:51,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:51,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:51,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:51,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:51,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:51,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:51,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:51,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:51,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:51,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:51,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:51,541 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:51,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:51,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:51,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:51,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:51,542 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:51,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:51,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:51,543 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:51,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:51,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:51,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:51,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:51,600 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:51,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test16.c [2019-09-20 13:48:51,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c000c14/5583f6ce5bbc4ddca127301ba892272e/FLAG64fd8b24d [2019-09-20 13:48:52,165 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:52,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test16.c [2019-09-20 13:48:52,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c000c14/5583f6ce5bbc4ddca127301ba892272e/FLAG64fd8b24d [2019-09-20 13:48:52,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c000c14/5583f6ce5bbc4ddca127301ba892272e [2019-09-20 13:48:52,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:52,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:52,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:52,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:52,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:52,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@949bd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52, skipping insertion in model container [2019-09-20 13:48:52,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,607 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:52,626 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:52,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:52,795 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:52,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:52,821 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:52,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52 WrapperNode [2019-09-20 13:48:52,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:52,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:52,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:52,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:52,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:52,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:52,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:52,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:52,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52" (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 [2019-09-20 13:48:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-09-20 13:48:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-09-20 13:48:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:48:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:48:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:48:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:48:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:48:53,264 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:53,264 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:48:53,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:53 BoogieIcfgContainer [2019-09-20 13:48:53,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:53,271 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:53,271 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:53,271 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:53,279 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,329 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:53,401 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:48:53,407 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 17 root evaluator evaluations with a maximum evaluation depth of 0. Performed 17 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 28 variables. [2019-09-20 13:48:53,407 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:53,411 INFO L168 Benchmark]: Toolchain (without parser) took 819.18 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 87.2 MB in the beginning and 158.1 MB in the end (delta: -70.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:53,413 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:53,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.85 ms. Allocated memory is still 140.0 MB. Free memory was 87.2 MB in the beginning and 77.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,417 INFO L168 Benchmark]: Boogie Preprocessor took 120.02 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.8 MB in the beginning and 177.2 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,419 INFO L168 Benchmark]: RCFGBuilder took 323.29 ms. Allocated memory is still 199.8 MB. Free memory was 176.8 MB in the beginning and 163.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,420 INFO L168 Benchmark]: Abstract Interpretation took 136.73 ms. Allocated memory is still 199.8 MB. Free memory was 162.4 MB in the beginning and 158.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.85 ms. Allocated memory is still 140.0 MB. Free memory was 87.2 MB in the beginning and 77.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.02 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.8 MB in the beginning and 177.2 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.29 ms. Allocated memory is still 199.8 MB. Free memory was 176.8 MB in the beginning and 163.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 136.73 ms. Allocated memory is still 199.8 MB. Free memory was 162.4 MB in the beginning and 158.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 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: 10]: 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...