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/implicitunsignedconversion-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:38:45,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:38:45,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:38:45,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:38:45,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:38:45,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:38:45,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:38:45,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:38:45,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:38:45,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:38:45,195 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:38:45,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:38:45,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:38:45,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:38:45,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:38:45,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:38:45,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:38:45,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:38:45,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:38:45,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:38:45,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:38:45,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:38:45,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:38:45,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:38:45,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 10:38:45,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:38:45,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:38:45,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:38:45,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:38:45,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:38:45,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:38:45,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:38:45,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:38:45,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:38:45,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:38:45,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:38:45,220 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 10:38:45,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:38:45,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:38:45,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:38:45,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:38:45,235 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:38:45,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:38:45,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:38:45,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:38:45,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:38:45,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:38:45,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:38:45,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:38:45,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:38:45,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:38:45,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:38:45,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:38:45,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:38:45,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:38:45,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:38:45,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:38:45,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:38:45,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:38:45,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:38:45,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:38:45,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:38:45,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:38:45,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:38:45,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:38:45,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:38:45,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:38:45,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:38:45,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:38:45,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:38:45,307 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:38:45,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2019-08-14 10:38:45,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20c9a3c6e/66a6b261fb844f419c1e4ee2b88c051f/FLAG3df06aafb [2019-08-14 10:38:45,761 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:38:45,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2019-08-14 10:38:45,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20c9a3c6e/66a6b261fb844f419c1e4ee2b88c051f/FLAG3df06aafb [2019-08-14 10:38:46,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20c9a3c6e/66a6b261fb844f419c1e4ee2b88c051f [2019-08-14 10:38:46,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:38:46,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:38:46,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:38:46,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:38:46,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:38:46,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436d5b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46, skipping insertion in model container [2019-08-14 10:38:46,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,217 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:38:46,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:38:46,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:38:46,417 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:38:46,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:38:46,448 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:38:46,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46 WrapperNode [2019-08-14 10:38:46,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:38:46,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:38:46,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:38:46,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:38:46,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:38:46,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:38:46,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:38:46,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:38:46,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:38:46" (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 10:38:46,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:38:46,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:38:46,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:38:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:38:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:38:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:38:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:38:46,807 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:38:46,808 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 10:38:46,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:38:46 BoogieIcfgContainer [2019-08-14 10:38:46,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:38:46,810 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:38:46,810 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:38:46,810 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:38:46,812 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:38:46" (1/1) ... [2019-08-14 10:38:46,921 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:38:46,924 INFO L168 Benchmark]: Toolchain (without parser) took 725.11 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 88.2 MB in the beginning and 163.1 MB in the end (delta: -74.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 10:38:46,925 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 10:38:46,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.89 ms. Allocated memory is still 133.7 MB. Free memory was 88.0 MB in the beginning and 78.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:46,928 INFO L168 Benchmark]: Boogie Preprocessor took 127.64 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 78.8 MB in the beginning and 176.8 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:46,929 INFO L168 Benchmark]: RCFGBuilder took 231.06 ms. Allocated memory is still 199.8 MB. Free memory was 176.8 MB in the beginning and 167.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:46,929 INFO L168 Benchmark]: Symbolic Interpretation took 112.11 ms. Allocated memory is still 199.8 MB. Free memory was 167.2 MB in the beginning and 163.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-08-14 10:38:46,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 12]: 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 (< (mod main_~plus_one~0 4294967296) (mod main_~minus_one~0 4294967296)) (= (- 1) main_~minus_one~0) (= main_~plus_one~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.89 ms. Allocated memory is still 133.7 MB. Free memory was 88.0 MB in the beginning and 78.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.64 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 78.8 MB in the beginning and 176.8 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.06 ms. Allocated memory is still 199.8 MB. Free memory was 176.8 MB in the beginning and 167.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 112.11 ms. Allocated memory is still 199.8 MB. Free memory was 167.2 MB in the beginning and 163.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...