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/test08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:08:45,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:08:45,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:08:45,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:08:45,076 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 16:08:45,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:08:45,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:08:45,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:08:45,092 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:08:45,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:08:45,093 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:08:45,093 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:08:45,094 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:08:45,094 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:08:45,094 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:08:45,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:08:45,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:08:45,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:08:45,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:08:45,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:08:45,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:08:45,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:08:45,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:08:45,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:08:45,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:08:45,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:08:45,097 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:08:45,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:08:45,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:08:45,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:08:45,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:08:45,098 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:08:45,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:08:45,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:08:45,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:08:45,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:08:45,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:08:45,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:08:45,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:08:45,152 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:08:45,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test08.c [2019-09-11 16:08:45,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee16d4ef/ae61fd2c8c554dc78450fcb764fdcfbb/FLAG4858b10b8 [2019-09-11 16:08:45,657 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:08:45,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test08.c [2019-09-11 16:08:45,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee16d4ef/ae61fd2c8c554dc78450fcb764fdcfbb/FLAG4858b10b8 [2019-09-11 16:08:46,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee16d4ef/ae61fd2c8c554dc78450fcb764fdcfbb [2019-09-11 16:08:46,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:08:46,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:08:46,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:08:46,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:08:46,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:08:46,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fba9d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46, skipping insertion in model container [2019-09-11 16:08:46,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,042 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:08:46,064 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:08:46,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:08:46,299 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:08:46,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:08:46,339 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:08:46,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46 WrapperNode [2019-09-11 16:08:46,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:08:46,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:08:46,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:08:46,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:08:46,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:08:46,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:08:46,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:08:46,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:08:46,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:46" (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 16:08:46,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:08:46,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:08:46,529 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-11 16:08:46,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:08:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:08:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-11 16:08:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:08:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:08:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:08:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:08:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:08:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-11 16:08:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:08:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:08:46,748 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:08:46,749 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:08:46,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:08:46 BoogieIcfgContainer [2019-09-11 16:08:46,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:08:46,761 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:08:46,761 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:08:46,762 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:08:46,763 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:08:46" (1/1) ... [2019-09-11 16:08:46,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:08:46,892 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:08:46,900 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. [2019-09-11 16:08:46,900 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:08:46,904 INFO L168 Benchmark]: Toolchain (without parser) took 882.81 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 90.2 MB in the beginning and 158.6 MB in the end (delta: -68.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:08:46,905 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:08:46,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.48 ms. Allocated memory is still 133.7 MB. Free memory was 90.0 MB in the beginning and 80.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:46,907 INFO L168 Benchmark]: Boogie Preprocessor took 34.34 ms. Allocated memory is still 133.7 MB. Free memory was 80.5 MB in the beginning and 78.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:46,909 INFO L168 Benchmark]: RCFGBuilder took 379.28 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 78.7 MB in the beginning and 163.6 MB in the end (delta: -84.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:46,910 INFO L168 Benchmark]: Abstract Interpretation took 139.22 ms. Allocated memory is still 200.3 MB. Free memory was 163.6 MB in the beginning and 158.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:46,917 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 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 315.48 ms. Allocated memory is still 133.7 MB. Free memory was 90.0 MB in the beginning and 80.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.34 ms. Allocated memory is still 133.7 MB. Free memory was 80.5 MB in the beginning and 78.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.28 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 78.7 MB in the beginning and 163.6 MB in the end (delta: -84.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 139.22 ms. Allocated memory is still 200.3 MB. Free memory was 163.6 MB in the beginning and 158.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 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: 36]: 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...