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_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:59:37,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:59:37,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:59:37,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:59:37,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:59:37,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:59:37,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:59:37,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:59:37,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:59:37,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:59:37,236 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:59:37,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:59:37,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:59:37,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:59:37,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:59:37,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:59:37,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:59:37,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:59:37,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:59:37,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:59:37,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:59:37,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:59:37,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:59:37,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:59:37,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:59:37,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:59:37,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:59:37,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:59:37,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:59:37,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:59:37,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:59:37,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:59:37,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:59:37,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:59:37,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:59:37,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:59:37,262 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 [2019-08-08 09:59:37,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:59:37,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:59:37,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:59:37,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:59:37,278 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:59:37,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:59:37,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:59:37,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:59:37,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:59:37,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:59:37,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:59:37,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:59:37,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:59:37,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:59:37,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:59:37,280 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:59:37,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:59:37,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:59:37,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:59:37,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:59:37,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:59:37,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:37,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:59:37,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:59:37,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:59:37,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:59:37,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:59:37,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:59:37,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:59:37,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:59:37,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:59:37,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:59:37,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:59:37,334 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:59:37,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label38.c [2019-08-08 09:59:37,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32228de1/97d7b66eb48349fc9fe4ad3bd80938e3/FLAG967a49016 [2019-08-08 09:59:38,032 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:59:38,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label38.c [2019-08-08 09:59:38,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32228de1/97d7b66eb48349fc9fe4ad3bd80938e3/FLAG967a49016 [2019-08-08 09:59:38,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32228de1/97d7b66eb48349fc9fe4ad3bd80938e3 [2019-08-08 09:59:38,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:59:38,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:59:38,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:38,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:59:38,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:59:38,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:38" (1/1) ... [2019-08-08 09:59:38,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddfef55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:38, skipping insertion in model container [2019-08-08 09:59:38,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:38" (1/1) ... [2019-08-08 09:59:38,357 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:59:38,414 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:59:38,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:38,894 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:59:39,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:39,075 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:59:39,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39 WrapperNode [2019-08-08 09:59:39,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:39,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:59:39,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:59:39,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:59:39,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39" (1/1) ... [2019-08-08 09:59:39,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39" (1/1) ... [2019-08-08 09:59:39,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39" (1/1) ... [2019-08-08 09:59:39,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39" (1/1) ... [2019-08-08 09:59:39,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39" (1/1) ... [2019-08-08 09:59:39,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39" (1/1) ... [2019-08-08 09:59:39,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39" (1/1) ... [2019-08-08 09:59:39,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:59:39,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:59:39,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:59:39,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:59:39,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:39" (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 [2019-08-08 09:59:39,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:59:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:59:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:59:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:59:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:59:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:59:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:59:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:59:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:59:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:59:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:59:42,441 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:59:42,442 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:59:42,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:42 BoogieIcfgContainer [2019-08-08 09:59:42,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:59:42,444 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:59:42,445 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:59:42,445 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:59:42,446 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:42" (1/1) ... [2019-08-08 09:59:42,468 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:59:42,483 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:59:42,499 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:59:42,507 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:59:42,509 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:59:42,604 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:59:44,169 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:59:44,310 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:59:44,311 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:59:44,313 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 26453#(and (= 13 ~a8~0) (= ~a16~0 4) (not (= 1 ~a7~0)) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (not (= ~a17~0 1))) [2019-08-08 09:59:44,315 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:59:44,323 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:59:44,326 INFO L168 Benchmark]: Toolchain (without parser) took 5985.39 ms. Allocated memory was 130.5 MB in the beginning and 274.2 MB in the end (delta: 143.7 MB). Free memory was 84.3 MB in the beginning and 75.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 155.0 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:44,327 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 09:59:44,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.86 ms. Allocated memory was 130.5 MB in the beginning and 200.8 MB in the end (delta: 70.3 MB). Free memory was 83.9 MB in the beginning and 162.8 MB in the end (delta: -78.9 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:44,329 INFO L168 Benchmark]: Boogie Preprocessor took 105.10 ms. Allocated memory is still 200.8 MB. Free memory was 162.8 MB in the beginning and 157.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:44,330 INFO L168 Benchmark]: RCFGBuilder took 3261.29 ms. Allocated memory was 200.8 MB in the beginning and 220.7 MB in the end (delta: 19.9 MB). Free memory was 157.6 MB in the beginning and 176.1 MB in the end (delta: -18.5 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:44,331 INFO L168 Benchmark]: Symbolic Interpretation took 1879.26 ms. Allocated memory was 220.7 MB in the beginning and 274.2 MB in the end (delta: 53.5 MB). Free memory was 176.1 MB in the beginning and 75.9 MB in the end (delta: 100.3 MB). Peak memory consumption was 156.7 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:44,335 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 422]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.86 ms. Allocated memory was 130.5 MB in the beginning and 200.8 MB in the end (delta: 70.3 MB). Free memory was 83.9 MB in the beginning and 162.8 MB in the end (delta: -78.9 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.10 ms. Allocated memory is still 200.8 MB. Free memory was 162.8 MB in the beginning and 157.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3261.29 ms. Allocated memory was 200.8 MB in the beginning and 220.7 MB in the end (delta: 19.9 MB). Free memory was 157.6 MB in the beginning and 176.1 MB in the end (delta: -18.5 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1879.26 ms. Allocated memory was 220.7 MB in the beginning and 274.2 MB in the end (delta: 53.5 MB). Free memory was 176.1 MB in the beginning and 75.9 MB in the end (delta: 100.3 MB). Peak memory consumption was 156.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...