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/test28-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:08:58,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:08:58,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:08:58,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:08:58,080 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 16:08:58,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:08:58,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:08:58,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:08:58,095 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:08:58,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:08:58,096 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:08:58,096 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:08:58,097 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:08:58,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:08:58,097 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:08:58,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:08:58,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:08:58,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:08:58,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:08:58,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:08:58,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:08:58,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:08:58,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:08:58,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:08:58,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:08:58,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:08:58,100 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:08:58,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:08:58,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:08:58,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:08:58,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:08:58,101 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:08:58,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:08:58,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:08:58,102 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:08:58,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:08:58,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:08:58,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:08:58,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:08:58,167 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:08:58,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test28-1.c [2019-09-11 16:08:58,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb685c044/a895e95038ff4b10a4de2d7797cfde25/FLAG2568d0fc5 [2019-09-11 16:08:58,638 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:08:58,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28-1.c [2019-09-11 16:08:58,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb685c044/a895e95038ff4b10a4de2d7797cfde25/FLAG2568d0fc5 [2019-09-11 16:08:59,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb685c044/a895e95038ff4b10a4de2d7797cfde25 [2019-09-11 16:08:59,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:08:59,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:08:59,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:08:59,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:08:59,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:08:59,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5105dca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59, skipping insertion in model container [2019-09-11 16:08:59,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,092 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:08:59,105 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:08:59,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:08:59,262 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:08:59,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:08:59,291 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:08:59,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59 WrapperNode [2019-09-11 16:08:59,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:08:59,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:08:59,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:08:59,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:08:59,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:08:59,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:08:59,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:08:59,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:08:59,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:59" (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 16:08:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:08:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:08:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:08:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:08:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:08:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:08:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:08:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:08:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:08:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:08:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:08:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:08:59,687 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:08:59,687 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:08:59,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:08:59 BoogieIcfgContainer [2019-09-11 16:08:59,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:08:59,690 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:08:59,690 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:08:59,690 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:08:59,691 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:08:59" (1/1) ... [2019-09-11 16:08:59,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:08:59,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:08:59,790 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 25 variables. [2019-09-11 16:08:59,790 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:08:59,793 INFO L168 Benchmark]: Toolchain (without parser) took 718.70 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 89.5 MB in the beginning and 160.0 MB in the end (delta: -70.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:08:59,794 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 108.4 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:08:59,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.93 ms. Allocated memory is still 142.1 MB. Free memory was 89.3 MB in the beginning and 79.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:59,797 INFO L168 Benchmark]: Boogie Preprocessor took 133.47 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 79.7 MB in the beginning and 178.9 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:59,798 INFO L168 Benchmark]: RCFGBuilder took 262.69 ms. Allocated memory is still 201.9 MB. Free memory was 178.9 MB in the beginning and 165.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:59,799 INFO L168 Benchmark]: Abstract Interpretation took 100.67 ms. Allocated memory is still 201.9 MB. Free memory was 165.3 MB in the beginning and 160.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:59,805 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 142.1 MB. Free memory was 108.4 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 217.93 ms. Allocated memory is still 142.1 MB. Free memory was 89.3 MB in the beginning and 79.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.47 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 79.7 MB in the beginning and 178.9 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 262.69 ms. Allocated memory is still 201.9 MB. Free memory was 178.9 MB in the beginning and 165.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 100.67 ms. Allocated memory is still 201.9 MB. Free memory was 165.3 MB in the beginning and 160.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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: 26]: 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...