java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-memsafety/diff_usafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-f44ebda [2018-11-21 16:11:12,380 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-21 16:11:12,382 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-21 16:11:12,394 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-21 16:11:12,394 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-21 16:11:12,395 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-21 16:11:12,396 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-21 16:11:12,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-21 16:11:12,400 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-21 16:11:12,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-21 16:11:12,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-21 16:11:12,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-21 16:11:12,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-21 16:11:12,404 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-21 16:11:12,406 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-21 16:11:12,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-21 16:11:12,407 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-21 16:11:12,409 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-21 16:11:12,411 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-21 16:11:12,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-21 16:11:12,414 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-21 16:11:12,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-21 16:11:12,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-21 16:11:12,427 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-21 16:11:12,428 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-21 16:11:12,431 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-21 16:11:12,432 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-21 16:11:12,432 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-21 16:11:12,462 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-21 16:11:12,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-21 16:11:12,463 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-21 16:11:12,463 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-21 16:11:12,464 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-21 16:11:12,464 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-21 16:11:12,465 INFO L133 SettingsManager]: * Use SBE=true [2018-11-21 16:11:12,465 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-21 16:11:12,465 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-21 16:11:12,465 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-21 16:11:12,465 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-21 16:11:12,466 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-21 16:11:12,467 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-21 16:11:12,467 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-21 16:11:12,467 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-21 16:11:12,467 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-21 16:11:12,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-21 16:11:12,469 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-21 16:11:12,469 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-21 16:11:12,469 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-21 16:11:12,469 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-21 16:11:12,469 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-21 16:11:12,470 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-21 16:11:12,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-21 16:11:12,470 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-21 16:11:12,470 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-21 16:11:12,471 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-21 16:11:12,471 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-21 16:11:12,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-21 16:11:12,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-21 16:11:12,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-21 16:11:12,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-21 16:11:12,543 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-21 16:11:12,544 INFO L276 PluginConnector]: CDTParser initialized [2018-11-21 16:11:12,545 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/diff_usafe_false-valid-deref.i [2018-11-21 16:11:12,608 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8c9cbc4/05e6c8c8aafe480fa19012a7e14b7aab/FLAG8cd29ae1e [2018-11-21 16:11:13,078 INFO L307 CDTParser]: Found 1 translation units. [2018-11-21 16:11:13,079 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/diff_usafe_false-valid-deref.i [2018-11-21 16:11:13,095 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8c9cbc4/05e6c8c8aafe480fa19012a7e14b7aab/FLAG8cd29ae1e [2018-11-21 16:11:13,453 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8c9cbc4/05e6c8c8aafe480fa19012a7e14b7aab [2018-11-21 16:11:13,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-21 16:11:13,464 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-21 16:11:13,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-21 16:11:13,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-21 16:11:13,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-21 16:11:13,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573959c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13, skipping insertion in model container [2018-11-21 16:11:13,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-21 16:11:13,510 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-21 16:11:13,764 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-21 16:11:13,791 INFO L191 MainTranslator]: Completed pre-run [2018-11-21 16:11:13,820 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-21 16:11:13,841 INFO L195 MainTranslator]: Completed translation [2018-11-21 16:11:13,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13 WrapperNode [2018-11-21 16:11:13,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-21 16:11:13,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-21 16:11:13,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-21 16:11:13,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-21 16:11:13,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13" (1/1) ... [2018-11-21 16:11:13,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-21 16:11:13,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-21 16:11:13,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-21 16:11:13,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-21 16:11:13,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:13" (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 [2018-11-21 16:11:14,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-21 16:11:14,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-21 16:11:14,059 INFO L138 BoogieDeclarations]: Found implementation of procedure diff [2018-11-21 16:11:14,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-21 16:11:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-21 16:11:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure diff [2018-11-21 16:11:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-21 16:11:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-21 16:11:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-21 16:11:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-21 16:11:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-21 16:11:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-21 16:11:15,057 INFO L271 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-21 16:11:15,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:11:15 BoogieIcfgContainer [2018-11-21 16:11:15,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-21 16:11:15,060 INFO L168 Benchmark]: Toolchain (without parser) took 1596.95 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.4 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2018-11-21 16:11:15,063 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-21 16:11:15,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-21 16:11:15,065 INFO L168 Benchmark]: Boogie Preprocessor took 71.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-21 16:11:15,066 INFO L168 Benchmark]: RCFGBuilder took 1142.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -778.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2018-11-21 16:11:15,070 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 376.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1142.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -778.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...