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/eca-rers2012/Problem01_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:00:47,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:00:47,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:00:47,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:00:47,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:00:47,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:00:47,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:00:47,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:00:47,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:00:47,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:00:47,205 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:00:47,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:00:47,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:00:47,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:00:47,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:00:47,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:00:47,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:00:47,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:00:47,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:00:47,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:00:47,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:00:47,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:00:47,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:00:47,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:00:47,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 11:00:47,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 11:00:47,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 11:00:47,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 11:00:47,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 11:00:47,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 11:00:47,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:00:47,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:00:47,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:00:47,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:00:47,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:00:47,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:00:47,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:00:47,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:00:47,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:00:47,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:00:47,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:00:47,250 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 11:00:47,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:00:47,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:00:47,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:00:47,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:00:47,282 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:00:47,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:00:47,282 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:00:47,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:00:47,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:00:47,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:00:47,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:00:47,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:00:47,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:00:47,285 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:00:47,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:00:47,285 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:00:47,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:00:47,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:00:47,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:00:47,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:00:47,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:00:47,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:00:47,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:00:47,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:00:47,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:00:47,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:00:47,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:00:47,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:00:47,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:00:47,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:00:47,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:00:47,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:00:47,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:00:47,356 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:00:47,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label47.c [2019-08-14 11:00:47,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7899e4fdd/8fa560b272a740f5abf85f1345092bb2/FLAG26a3d7fc2 [2019-08-14 11:00:48,005 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:00:48,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label47.c [2019-08-14 11:00:48,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7899e4fdd/8fa560b272a740f5abf85f1345092bb2/FLAG26a3d7fc2 [2019-08-14 11:00:48,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7899e4fdd/8fa560b272a740f5abf85f1345092bb2 [2019-08-14 11:00:48,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:00:48,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:00:48,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:00:48,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:00:48,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:00:48,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:00:48" (1/1) ... [2019-08-14 11:00:48,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efe919e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:48, skipping insertion in model container [2019-08-14 11:00:48,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:00:48" (1/1) ... [2019-08-14 11:00:48,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:00:48,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:00:48,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:00:48,870 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:00:48,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:00:49,003 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:00:49,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49 WrapperNode [2019-08-14 11:00:49,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:00:49,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:00:49,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:00:49,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:00:49,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49" (1/1) ... [2019-08-14 11:00:49,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49" (1/1) ... [2019-08-14 11:00:49,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49" (1/1) ... [2019-08-14 11:00:49,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49" (1/1) ... [2019-08-14 11:00:49,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49" (1/1) ... [2019-08-14 11:00:49,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49" (1/1) ... [2019-08-14 11:00:49,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49" (1/1) ... [2019-08-14 11:00:49,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:00:49,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:00:49,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:00:49,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:00:49,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:49" (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 11:00:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:00:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:00:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:00:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:00:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:00:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:00:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:00:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:00:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:00:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:00:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:00:50,328 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:00:50,329 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:00:50,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:00:50 BoogieIcfgContainer [2019-08-14 11:00:50,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:00:50,331 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:00:50,331 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:00:50,332 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:00:50,333 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:00:50" (1/1) ... [2019-08-14 11:00:51,960 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:00:51,965 INFO L168 Benchmark]: Toolchain (without parser) took 3686.30 ms. Allocated memory was 132.6 MB in the beginning and 269.5 MB in the end (delta: 136.8 MB). Free memory was 87.5 MB in the beginning and 134.1 MB in the end (delta: -46.6 MB). Peak memory consumption was 145.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:51,968 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.6 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:00:51,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.56 ms. Allocated memory was 132.6 MB in the beginning and 201.9 MB in the end (delta: 69.2 MB). Free memory was 87.3 MB in the beginning and 166.5 MB in the end (delta: -79.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:51,972 INFO L168 Benchmark]: Boogie Preprocessor took 116.41 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 161.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:51,975 INFO L168 Benchmark]: RCFGBuilder took 1209.11 ms. Allocated memory was 201.9 MB in the beginning and 226.0 MB in the end (delta: 24.1 MB). Free memory was 161.1 MB in the beginning and 177.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:51,976 INFO L168 Benchmark]: Symbolic Interpretation took 1629.78 ms. Allocated memory was 226.0 MB in the beginning and 269.5 MB in the end (delta: 43.5 MB). Free memory was 177.9 MB in the beginning and 134.1 MB in the end (delta: 43.8 MB). Peak memory consumption was 142.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:51,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 395]: 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 26229#(and (= ~a16~0 4) (= ~a12~0 8) (= ~a17~0 1) (not (= 1 ~a7~0)) (= ~a20~0 1) (= ~a21~0 1) (= 14 ~a8~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 132.6 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.56 ms. Allocated memory was 132.6 MB in the beginning and 201.9 MB in the end (delta: 69.2 MB). Free memory was 87.3 MB in the beginning and 166.5 MB in the end (delta: -79.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.41 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 161.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1209.11 ms. Allocated memory was 201.9 MB in the beginning and 226.0 MB in the end (delta: 24.1 MB). Free memory was 161.1 MB in the beginning and 177.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1629.78 ms. Allocated memory was 226.0 MB in the beginning and 269.5 MB in the end (delta: 43.5 MB). Free memory was 177.9 MB in the beginning and 134.1 MB in the end (delta: 43.8 MB). Peak memory consumption was 142.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...