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/Problem14_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:56:19,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:56:19,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:56:19,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:56:19,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:56:19,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:56:19,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:56:19,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:56:19,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:56:19,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:56:19,262 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:56:19,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:56:19,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:56:19,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:56:19,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:56:19,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:56:19,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:56:19,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:56:19,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:56:19,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:56:19,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:56:19,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:56:19,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:56:19,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:56:19,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:56:19,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:56:19,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:56:19,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:56:19,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:56:19,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:56:19,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:56:19,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:56:19,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:56:19,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:56:19,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:56:19,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:56:19,288 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 10:56:19,301 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:56:19,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:56:19,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:56:19,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:56:19,303 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:56:19,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:56:19,304 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:56:19,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:56:19,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:56:19,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:56:19,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:56:19,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:56:19,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:56:19,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:56:19,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:56:19,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:56:19,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:56:19,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:56:19,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:56:19,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:56:19,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:56:19,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:56:19,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:56:19,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:56:19,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:56:19,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:56:19,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:56:19,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:56:19,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:56:19,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:56:19,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:56:19,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:56:19,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:56:19,357 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:56:19,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label20.c [2019-08-08 10:56:19,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b2473c7/062fb2336577425bbdd4c3e71604b57b/FLAGfd1ecf264 [2019-08-08 10:56:19,966 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:56:19,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label20.c [2019-08-08 10:56:19,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b2473c7/062fb2336577425bbdd4c3e71604b57b/FLAGfd1ecf264 [2019-08-08 10:56:20,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b2473c7/062fb2336577425bbdd4c3e71604b57b [2019-08-08 10:56:20,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:56:20,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:56:20,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:56:20,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:56:20,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:56:20,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:56:20" (1/1) ... [2019-08-08 10:56:20,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45418d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:20, skipping insertion in model container [2019-08-08 10:56:20,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:56:20" (1/1) ... [2019-08-08 10:56:20,257 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:56:20,327 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:56:20,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:56:20,929 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:56:21,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:56:21,199 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:56:21,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21 WrapperNode [2019-08-08 10:56:21,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:56:21,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:56:21,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:56:21,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:56:21,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21" (1/1) ... [2019-08-08 10:56:21,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21" (1/1) ... [2019-08-08 10:56:21,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21" (1/1) ... [2019-08-08 10:56:21,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21" (1/1) ... [2019-08-08 10:56:21,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21" (1/1) ... [2019-08-08 10:56:21,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21" (1/1) ... [2019-08-08 10:56:21,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21" (1/1) ... [2019-08-08 10:56:21,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:56:21,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:56:21,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:56:21,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:56:21,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:21" (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 10:56:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:56:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:56:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:56:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:56:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:56:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:56:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:56:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:56:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:56:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:56:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:56:25,379 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:56:25,380 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:56:25,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:56:25 BoogieIcfgContainer [2019-08-08 10:56:25,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:56:25,387 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:56:25,388 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:56:25,388 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:56:25,389 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:56:25" (1/1) ... [2019-08-08 10:56:25,405 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:56:25,408 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:56:25,422 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:56:25,431 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:56:25,432 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:56:25,495 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 40 [2019-08-08 10:56:39,935 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 81 [2019-08-08 10:56:40,189 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:56:40,189 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:56:40,191 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 415490#(and (<= (+ ~a12~0 43) 0) (= ~a24~0 1) (= ~a21~0 7) (= ~a15~0 6)) [2019-08-08 10:56:40,193 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:56:40,200 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:56:40,203 INFO L168 Benchmark]: Toolchain (without parser) took 19959.71 ms. Allocated memory was 133.7 MB in the beginning and 1.1 GB in the end (delta: 944.8 MB). Free memory was 86.5 MB in the beginning and 463.8 MB in the end (delta: -377.4 MB). Peak memory consumption was 837.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:40,203 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 133.7 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 10:56:40,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.81 ms. Allocated memory was 133.7 MB in the beginning and 204.5 MB in the end (delta: 70.8 MB). Free memory was 86.5 MB in the beginning and 165.9 MB in the end (delta: -79.5 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:40,206 INFO L168 Benchmark]: Boogie Preprocessor took 113.58 ms. Allocated memory is still 204.5 MB. Free memory was 165.9 MB in the beginning and 160.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:40,207 INFO L168 Benchmark]: RCFGBuilder took 4073.03 ms. Allocated memory was 204.5 MB in the beginning and 230.2 MB in the end (delta: 25.7 MB). Free memory was 160.1 MB in the beginning and 159.2 MB in the end (delta: 872.9 kB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:40,208 INFO L168 Benchmark]: Symbolic Interpretation took 14812.74 ms. Allocated memory was 230.2 MB in the beginning and 1.1 GB in the end (delta: 848.3 MB). Free memory was 159.2 MB in the beginning and 463.8 MB in the end (delta: -304.7 MB). Peak memory consumption was 813.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:40,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 184]: 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 0.46 ms. Allocated memory is still 133.7 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 956.81 ms. Allocated memory was 133.7 MB in the beginning and 204.5 MB in the end (delta: 70.8 MB). Free memory was 86.5 MB in the beginning and 165.9 MB in the end (delta: -79.5 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.58 ms. Allocated memory is still 204.5 MB. Free memory was 165.9 MB in the beginning and 160.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4073.03 ms. Allocated memory was 204.5 MB in the beginning and 230.2 MB in the end (delta: 25.7 MB). Free memory was 160.1 MB in the beginning and 159.2 MB in the end (delta: 872.9 kB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14812.74 ms. Allocated memory was 230.2 MB in the beginning and 1.1 GB in the end (delta: 848.3 MB). Free memory was 159.2 MB in the beginning and 463.8 MB in the end (delta: -304.7 MB). Peak memory consumption was 813.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...