java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:16:33,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:16:33,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:16:33,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:16:33,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:16:33,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:16:33,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:16:33,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:16:33,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:16:33,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:16:33,716 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:16:33,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:16:33,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:16:33,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:16:33,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:16:33,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:16:33,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:16:33,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:16:33,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:16:33,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:16:33,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:16:33,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:16:33,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:16:33,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:16:33,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:16:33,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:16:33,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:16:33,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:16:33,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:16:33,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:16:33,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:16:33,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:16:33,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:16:33,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:16:33,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:16:33,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:16:33,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-17 21:16:33,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:16:33,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:16:33,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:16:33,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:16:33,772 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:16:33,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:16:33,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:16:33,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:16:33,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:16:33,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:16:33,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:16:33,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:16:33,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:16:33,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:16:33,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:16:33,774 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:16:33,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:16:33,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:16:33,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:16:33,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:16:33,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:16:33,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:16:33,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:16:33,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:16:33,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:16:33,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:16:33,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:16:33,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:16:33,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:16:33,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:16:33,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:16:33,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:16:33,825 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:16:33,826 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:16:33,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-1.c [2019-08-17 21:16:33,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a930b3816/0b916f1a56774428881bff8f9fc850ef/FLAGcb6bc771c [2019-08-17 21:16:34,338 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:16:34,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-1.c [2019-08-17 21:16:34,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a930b3816/0b916f1a56774428881bff8f9fc850ef/FLAGcb6bc771c [2019-08-17 21:16:34,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a930b3816/0b916f1a56774428881bff8f9fc850ef [2019-08-17 21:16:34,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:16:34,718 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:16:34,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:16:34,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:16:34,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:16:34,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:34,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8199b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34, skipping insertion in model container [2019-08-17 21:16:34,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:34,734 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:16:34,752 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:16:34,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:16:34,951 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:16:34,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:16:34,979 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:16:34,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34 WrapperNode [2019-08-17 21:16:34,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:16:34,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:16:34,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:16:34,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:16:35,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:35,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:35,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:35,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:35,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:35,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:35,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34" (1/1) ... [2019-08-17 21:16:35,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:16:35,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:16:35,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:16:35,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:16:35,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:16:34" (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 [2019-08-17 21:16:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:16:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:16:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:16:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:16:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:16:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:16:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:16:35,306 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:16:35,306 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-17 21:16:35,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:16:35 BoogieIcfgContainer [2019-08-17 21:16:35,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:16:35,308 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:16:35,309 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:16:35,309 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:16:35,310 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:16:35" (1/1) ... [2019-08-17 21:16:35,321 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:16:35,324 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:16:35,331 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:16:35,341 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:16:35,344 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:16:35,381 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-17 21:16:35,387 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:16:35,387 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:16:35,390 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 12#(and (= main_~castToInt~0 main_~castToLong2~0) (= (ite (<= (mod main_~allOne~0 4294967296) 2147483647) (mod main_~allOne~0 4294967296) (+ (mod main_~allOne~0 4294967296) (- 4294967296))) main_~castToLong~0) (= main_~allOne~0 main_~castToULong~0) (= main_~castToInt~0 (ite (<= (mod main_~allOne~0 4294967296) 2147483647) (mod main_~allOne~0 4294967296) (+ (mod main_~allOne~0 4294967296) (- 4294967296)))) (= main_~allOne~0 (- 1)) (or (not (= (- 1) main_~castToLong2~0)) (not (= 4294967295 (mod main_~castToULong~0 4294967296))) (not (= 4294967295 (mod main_~castToLong~0 4294967296))) (not (= main_~castToInt~0 (- 1))))) [2019-08-17 21:16:35,400 INFO L88 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-17 21:16:35,400 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:16:35,405 INFO L168 Benchmark]: Toolchain (without parser) took 684.76 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 86.8 MB in the beginning and 160.3 MB in the end (delta: -73.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-17 21:16:35,406 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:16:35,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.24 ms. Allocated memory is still 131.1 MB. Free memory was 86.6 MB in the beginning and 77.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:16:35,411 INFO L168 Benchmark]: Boogie Preprocessor took 116.93 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 174.6 MB in the end (delta: -97.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:16:35,413 INFO L168 Benchmark]: RCFGBuilder took 210.41 ms. Allocated memory is still 198.2 MB. Free memory was 174.6 MB in the beginning and 164.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:16:35,414 INFO L168 Benchmark]: Symbolic Interpretation took 92.20 ms. Allocated memory is still 198.2 MB. Free memory was 164.7 MB in the beginning and 160.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:16:35,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.24 ms. Allocated memory is still 131.1 MB. Free memory was 86.6 MB in the beginning and 77.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.93 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 174.6 MB in the end (delta: -97.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 210.41 ms. Allocated memory is still 198.2 MB. Free memory was 174.6 MB in the beginning and 164.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 92.20 ms. Allocated memory is still 198.2 MB. Free memory was 164.7 MB in the beginning and 160.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...