java -ea -Xmx4000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/signedintegeroverflow-regression/PostfixDecrement_false-no-overflow.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-cde60e6 [2018-11-26 23:46:09,624 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-26 23:46:09,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-26 23:46:09,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-26 23:46:09,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-26 23:46:09,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-26 23:46:09,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-26 23:46:09,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-26 23:46:09,678 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-26 23:46:09,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-26 23:46:09,686 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-26 23:46:09,687 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-26 23:46:09,688 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-26 23:46:09,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-26 23:46:09,696 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-26 23:46:09,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-26 23:46:09,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-26 23:46:09,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-26 23:46:09,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-26 23:46:09,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-26 23:46:09,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-26 23:46:09,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-26 23:46:09,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-26 23:46:09,777 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-26 23:46:09,817 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-26 23:46:09,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-26 23:46:09,818 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-26 23:46:09,824 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-26 23:46:09,825 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-26 23:46:09,825 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-26 23:46:09,825 INFO L133 SettingsManager]: * Use SBE=true [2018-11-26 23:46:09,826 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-26 23:46:09,826 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-26 23:46:09,826 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-26 23:46:09,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-26 23:46:09,826 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-26 23:46:09,831 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-26 23:46:09,831 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-26 23:46:09,831 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-26 23:46:09,832 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-26 23:46:09,832 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-26 23:46:09,832 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-26 23:46:09,832 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-26 23:46:09,832 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-26 23:46:09,833 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-26 23:46:09,833 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-26 23:46:09,833 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-26 23:46:09,833 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-26 23:46:09,833 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-26 23:46:09,834 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-26 23:46:09,838 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-26 23:46:09,839 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-26 23:46:09,839 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-26 23:46:09,839 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-26 23:46:09,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-26 23:46:09,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-26 23:46:09,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-26 23:46:09,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-26 23:46:09,982 INFO L276 PluginConnector]: CDTParser initialized [2018-11-26 23:46:09,983 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/signedintegeroverflow-regression/PostfixDecrement_false-no-overflow.c.i [2018-11-26 23:46:10,128 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c146800/1ec0441134a04486afe9b95378efc47c/FLAG99da73aaa [2018-11-26 23:46:11,229 INFO L307 CDTParser]: Found 1 translation units. [2018-11-26 23:46:11,230 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/signedintegeroverflow-regression/PostfixDecrement_false-no-overflow.c.i [2018-11-26 23:46:11,272 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c146800/1ec0441134a04486afe9b95378efc47c/FLAG99da73aaa [2018-11-26 23:46:11,336 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c146800/1ec0441134a04486afe9b95378efc47c [2018-11-26 23:46:11,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-26 23:46:11,365 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-26 23:46:11,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-26 23:46:11,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-26 23:46:11,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-26 23:46:11,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:11" (1/1) ... [2018-11-26 23:46:11,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660fa7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:11, skipping insertion in model container [2018-11-26 23:46:11,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:11" (1/1) ... [2018-11-26 23:46:11,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-26 23:46:11,492 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-26 23:46:12,252 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-26 23:46:12,294 INFO L191 MainTranslator]: Completed pre-run [2018-11-26 23:46:12,426 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-26 23:46:12,587 INFO L195 MainTranslator]: Completed translation [2018-11-26 23:46:12,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:12 WrapperNode [2018-11-26 23:46:12,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-26 23:46:12,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-26 23:46:12,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-26 23:46:12,592 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-26 23:46:12,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:12" (1/1) ... [2018-11-26 23:46:12,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:12" (1/1) ... [2018-11-26 23:46:12,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:12" (1/1) ... [2018-11-26 23:46:12,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:12" (1/1) ... [2018-11-26 23:46:12,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:12" (1/1) ... [2018-11-26 23:46:12,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:12" (1/1) ... [2018-11-26 23:46:12,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:12" (1/1) ... [2018-11-26 23:46:12,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-26 23:46:12,851 INFO L168 Benchmark]: Toolchain (without parser) took 1489.95 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -53.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 3.9 GB. [2018-11-26 23:46:12,857 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-26 23:46:12,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1220.69 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 3.9 GB. [2018-11-26 23:46:12,859 INFO L168 Benchmark]: Boogie Preprocessor took 252.61 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -76.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 3.9 GB. [2018-11-26 23:46:12,875 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 0.20 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 1220.69 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 252.61 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -76.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...