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/signextension2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:39:01,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:39:01,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:39:01,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:39:01,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:39:01,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:39:01,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:39:01,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:39:01,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:39:01,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:39:01,196 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:39:01,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:39:01,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:39:01,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:39:01,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:39:01,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:39:01,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:39:01,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:39:01,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:39:01,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:39:01,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:39:01,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:39:01,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:39:01,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:39:01,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 10:39:01,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:39:01,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:39:01,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:39:01,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:39:01,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:39:01,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:39:01,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:39:01,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:39:01,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:39:01,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:39:01,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:39:01,249 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 [2019-08-14 10:39:01,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:39:01,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:39:01,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:39:01,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:39:01,267 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:39:01,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:39:01,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:39:01,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:39:01,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:39:01,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:39:01,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:39:01,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:39:01,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:39:01,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:39:01,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:39:01,269 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:39:01,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:39:01,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:39:01,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:39:01,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:39:01,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:39:01,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:39:01,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:39:01,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:39:01,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:39:01,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:39:01,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:39:01,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:39:01,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:39:01,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:39:01,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:39:01,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:39:01,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:39:01,345 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:39:01,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2019-08-14 10:39:01,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f4c1d85/fd4cc9695cdf4df880851bb889e5123c/FLAG7cb362996 [2019-08-14 10:39:01,941 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:39:01,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2019-08-14 10:39:01,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f4c1d85/fd4cc9695cdf4df880851bb889e5123c/FLAG7cb362996 [2019-08-14 10:39:02,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f4c1d85/fd4cc9695cdf4df880851bb889e5123c [2019-08-14 10:39:02,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:39:02,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:39:02,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:39:02,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:39:02,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:39:02,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6cccf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02, skipping insertion in model container [2019-08-14 10:39:02,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,308 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:39:02,326 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:39:02,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:39:02,497 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:39:02,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:39:02,523 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:39:02,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02 WrapperNode [2019-08-14 10:39:02,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:39:02,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:39:02,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:39:02,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:39:02,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:39:02,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:39:02,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:39:02,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:39:02,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:39:02" (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 [2019-08-14 10:39:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:39:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:39:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:39:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:39:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:39:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:39:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:39:02,832 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:39:02,833 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 10:39:02,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:39:02 BoogieIcfgContainer [2019-08-14 10:39:02,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:39:02,835 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:39:02,835 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:39:02,835 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:39:02,836 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:39:02" (1/1) ... [2019-08-14 10:39:02,919 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:39:02,922 INFO L168 Benchmark]: Toolchain (without parser) took 629.96 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 161.5 MB in the end (delta: -75.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 10:39:02,923 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 10:39:02,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.10 ms. Allocated memory is still 138.4 MB. Free memory was 85.7 MB in the beginning and 76.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:39:02,925 INFO L168 Benchmark]: Boogie Preprocessor took 113.26 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 76.8 MB in the beginning and 176.5 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-14 10:39:02,927 INFO L168 Benchmark]: RCFGBuilder took 195.48 ms. Allocated memory is still 198.2 MB. Free memory was 176.5 MB in the beginning and 166.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-14 10:39:02,928 INFO L168 Benchmark]: Symbolic Interpretation took 84.58 ms. Allocated memory is still 198.2 MB. Free memory was 166.1 MB in the beginning and 161.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-14 10:39:02,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 12#(and (= 4294967295 (mod main_~castToULong~0 4294967296)) (= (- 1) main_~castToLong2~0) (= 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_~castToInt~0 (- 1)) (= main_~allOne~0 (- 1)) (= 4294967295 (mod main_~castToLong~0 4294967296))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.10 ms. Allocated memory is still 138.4 MB. Free memory was 85.7 MB in the beginning and 76.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.26 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 76.8 MB in the beginning and 176.5 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 195.48 ms. Allocated memory is still 198.2 MB. Free memory was 176.5 MB in the beginning and 166.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 84.58 ms. Allocated memory is still 198.2 MB. Free memory was 166.1 MB in the beginning and 161.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...