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/signextension-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:27:07,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:27:07,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:27:07,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:27:07,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:27:07,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:27:07,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:27:07,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:27:07,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:27:07,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:27:07,802 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:27:07,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:27:07,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:27:07,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:27:07,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:27:07,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:27:07,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:27:07,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:27:07,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:27:07,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:27:07,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:27:07,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:27:07,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:27:07,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:27:07,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:27:07,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:27:07,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:27:07,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:27:07,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:27:07,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:27:07,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:27:07,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:27:07,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:27:07,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:27:07,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:27:07,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:27:07,831 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 [2019-08-09 16:27:07,848 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:27:07,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:27:07,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:27:07,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:27:07,853 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:27:07,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:27:07,853 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:27:07,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:27:07,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:27:07,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:27:07,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:27:07,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:27:07,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:27:07,855 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:27:07,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:27:07,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:27:07,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:27:07,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:27:07,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:27:07,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:27:07,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:27:07,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:27:07,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:27:07,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:27:07,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:27:07,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:27:07,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:27:07,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:27:07,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:27:07,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:27:07,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:27:07,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:27:07,921 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:27:07,921 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:27:07,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension-1.c [2019-08-09 16:27:08,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8280c3fd9/429853490d834c23963c352a529ec40c/FLAG439b66223 [2019-08-09 16:27:08,451 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:27:08,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension-1.c [2019-08-09 16:27:08,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8280c3fd9/429853490d834c23963c352a529ec40c/FLAG439b66223 [2019-08-09 16:27:08,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8280c3fd9/429853490d834c23963c352a529ec40c [2019-08-09 16:27:08,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:27:08,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:27:08,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:27:08,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:27:08,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:27:08,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:27:08" (1/1) ... [2019-08-09 16:27:08,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9101b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:08, skipping insertion in model container [2019-08-09 16:27:08,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:27:08" (1/1) ... [2019-08-09 16:27:08,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:27:08,868 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:27:09,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:27:09,028 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:27:09,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:27:09,055 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:27:09,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09 WrapperNode [2019-08-09 16:27:09,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:27:09,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:27:09,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:27:09,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:27:09,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09" (1/1) ... [2019-08-09 16:27:09,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09" (1/1) ... [2019-08-09 16:27:09,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09" (1/1) ... [2019-08-09 16:27:09,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09" (1/1) ... [2019-08-09 16:27:09,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09" (1/1) ... [2019-08-09 16:27:09,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09" (1/1) ... [2019-08-09 16:27:09,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09" (1/1) ... [2019-08-09 16:27:09,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:27:09,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:27:09,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:27:09,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:27:09,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:27:09" (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 [2019-08-09 16:27:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:27:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:27:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:27:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:27:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:27:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:27:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:27:09,371 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:27:09,371 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 16:27:09,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:27:09 BoogieIcfgContainer [2019-08-09 16:27:09,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:27:09,373 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:27:09,374 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:27:09,374 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:27:09,376 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:27:09" (1/1) ... [2019-08-09 16:27:09,466 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:27:09,474 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:27:09,477 INFO L168 Benchmark]: Toolchain (without parser) took 647.73 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 87.5 MB in the beginning and 160.7 MB in the end (delta: -73.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 16:27:09,478 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 16:27:09,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.34 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:27:09,481 INFO L168 Benchmark]: Boogie Preprocessor took 115.22 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 77.8 MB in the beginning and 175.1 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:27:09,482 INFO L168 Benchmark]: RCFGBuilder took 199.97 ms. Allocated memory is still 197.7 MB. Free memory was 175.1 MB in the beginning and 164.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:27:09,483 INFO L168 Benchmark]: Symbolic Interpretation took 100.90 ms. Allocated memory is still 197.7 MB. Free memory was 164.5 MB in the beginning and 160.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:27:09,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 12#(and (= 65535 main_~unsignedtosigned~0) (= main_~signedtosigned~0 (- 1)) (= main_~signedtosigned~0 main_~signedallbits~0) (= (mod main_~allbits~0 65536) main_~unsignedtosigned~0) (= main_~unsignedtounsigned~0 (mod main_~allbits~0 65536)) (= (ite (<= (mod main_~allbits~0 65536) 32767) (mod main_~allbits~0 65536) (+ (mod main_~allbits~0 65536) (- 65536))) main_~signedallbits~0) (= (mod main_~unsignedtounsigned~0 4294967296) 65535) (= (- 1) main_~allbits~0) (= 4294967295 (mod main_~signedtounsigned~0 4294967296)) (= main_~signedtounsigned~0 main_~signedallbits~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.34 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.22 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 77.8 MB in the beginning and 175.1 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 199.97 ms. Allocated memory is still 197.7 MB. Free memory was 175.1 MB in the beginning and 164.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 100.90 ms. Allocated memory is still 197.7 MB. Free memory was 164.5 MB in the beginning and 160.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...