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/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:28:59,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:59,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:59,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:28:59,826 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 [2019-09-16 17:28:59,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:59,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:59,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:59,858 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:59,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:59,858 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:59,859 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:59,859 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:59,859 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:59,859 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:59,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:59,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:59,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:59,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:59,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:59,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:59,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:59,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:59,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:59,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:59,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:59,864 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:59,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:59,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:59,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:59,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:59,865 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:59,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:59,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:59,866 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:59,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:59,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:59,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:59,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:59,928 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:59,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-09-16 17:29:00,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a334845b5/2f0f4613518046a28df0ea017d81261c/FLAG10598ea3a [2019-09-16 17:29:00,453 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:29:00,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-09-16 17:29:00,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a334845b5/2f0f4613518046a28df0ea017d81261c/FLAG10598ea3a [2019-09-16 17:29:00,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a334845b5/2f0f4613518046a28df0ea017d81261c [2019-09-16 17:29:00,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:29:00,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:29:00,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:29:00,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:29:00,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:29:00,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:29:00" (1/1) ... [2019-09-16 17:29:00,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea78179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:00, skipping insertion in model container [2019-09-16 17:29:00,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:29:00" (1/1) ... [2019-09-16 17:29:00,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:29:00,860 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:29:01,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:29:01,046 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:29:01,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:29:01,073 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:29:01,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01 WrapperNode [2019-09-16 17:29:01,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:29:01,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:29:01,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:29:01,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:29:01,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01" (1/1) ... [2019-09-16 17:29:01,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01" (1/1) ... [2019-09-16 17:29:01,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01" (1/1) ... [2019-09-16 17:29:01,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01" (1/1) ... [2019-09-16 17:29:01,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01" (1/1) ... [2019-09-16 17:29:01,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01" (1/1) ... [2019-09-16 17:29:01,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01" (1/1) ... [2019-09-16 17:29:01,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:29:01,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:29:01,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:29:01,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:29:01,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:29:01" (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 [2019-09-16 17:29:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:29:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:29:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-16 17:29:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:29:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:29:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:29:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-16 17:29:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:29:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:29:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:29:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:29:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:29:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:29:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:29:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:29:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:29:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:29:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:29:01,499 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:29:01,500 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:29:01,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:29:01 BoogieIcfgContainer [2019-09-16 17:29:01,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:29:01,502 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:29:01,502 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:29:01,503 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:29:01,503 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:29:01" (1/1) ... [2019-09-16 17:29:01,538 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:29:01,628 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:29:01,634 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 29 variables. [2019-09-16 17:29:01,634 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:29:01,637 INFO L168 Benchmark]: Toolchain (without parser) took 806.81 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.7 MB in the beginning and 156.0 MB in the end (delta: -70.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:29:01,638 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:29:01,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.99 ms. Allocated memory is still 138.9 MB. Free memory was 85.5 MB in the beginning and 75.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:29:01,641 INFO L168 Benchmark]: Boogie Preprocessor took 152.23 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 75.3 MB in the beginning and 176.7 MB in the end (delta: -101.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:29:01,642 INFO L168 Benchmark]: RCFGBuilder took 274.50 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 161.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:29:01,644 INFO L168 Benchmark]: Abstract Interpretation took 131.87 ms. Allocated memory is still 199.2 MB. Free memory was 161.0 MB in the beginning and 156.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:29:01,651 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.99 ms. Allocated memory is still 138.9 MB. Free memory was 85.5 MB in the beginning and 75.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.23 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 75.3 MB in the beginning and 176.7 MB in the end (delta: -101.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.50 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 161.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 131.87 ms. Allocated memory is still 199.2 MB. Free memory was 161.0 MB in the beginning and 156.0 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: 22]: 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...