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/Problem10_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:46:39,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:46:39,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:46:39,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:46:39,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:46:39,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:46:39,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:46:39,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:46:39,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:46:39,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:46:39,349 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:46:39,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:46:39,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:46:39,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:46:39,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:46:39,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:46:39,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:46:39,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:46:39,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:46:39,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:46:39,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:46:39,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:46:39,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:46:39,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:46:39,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:46:39,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:46:39,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:46:39,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:46:39,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:46:39,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:46:39,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:46:39,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:46:39,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:46:39,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:46:39,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:46:39,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:46:39,375 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 10:46:39,399 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:46:39,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:46:39,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:46:39,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:46:39,402 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:46:39,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:46:39,403 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:46:39,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:46:39,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:46:39,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:46:39,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:46:39,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:46:39,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:46:39,405 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:46:39,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:46:39,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:46:39,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:46:39,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:46:39,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:46:39,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:46:39,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:46:39,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:46:39,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:46:39,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:46:39,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:46:39,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:46:39,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:46:39,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:46:39,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:46:39,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:46:39,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:46:39,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:46:39,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:46:39,458 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:46:39,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2019-08-08 10:46:39,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c849d31d/ded7ab7201864849a89d3055a575bc71/FLAGfaf57dc20 [2019-08-08 10:46:40,056 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:46:40,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2019-08-08 10:46:40,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c849d31d/ded7ab7201864849a89d3055a575bc71/FLAGfaf57dc20 [2019-08-08 10:46:40,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c849d31d/ded7ab7201864849a89d3055a575bc71 [2019-08-08 10:46:40,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:46:40,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:46:40,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:46:40,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:46:40,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:46:40,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:46:40" (1/1) ... [2019-08-08 10:46:40,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523fa5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:40, skipping insertion in model container [2019-08-08 10:46:40,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:46:40" (1/1) ... [2019-08-08 10:46:40,373 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:46:40,430 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:46:40,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:46:40,921 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:46:41,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:46:41,079 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:46:41,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41 WrapperNode [2019-08-08 10:46:41,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:46:41,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:46:41,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:46:41,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:46:41,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41" (1/1) ... [2019-08-08 10:46:41,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41" (1/1) ... [2019-08-08 10:46:41,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41" (1/1) ... [2019-08-08 10:46:41,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41" (1/1) ... [2019-08-08 10:46:41,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41" (1/1) ... [2019-08-08 10:46:41,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41" (1/1) ... [2019-08-08 10:46:41,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41" (1/1) ... [2019-08-08 10:46:41,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:46:41,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:46:41,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:46:41,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:46:41,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:41" (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 10:46:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:46:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:46:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:46:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:46:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:46:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:46:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:46:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:46:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:46:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:46:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:46:44,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:46:44,141 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:46:44,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:46:44 BoogieIcfgContainer [2019-08-08 10:46:44,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:46:44,143 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:46:44,143 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:46:44,144 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:46:44,144 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:46:44" (1/1) ... [2019-08-08 10:46:44,155 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:46:44,157 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:46:44,166 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:46:44,174 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:46:44,175 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:46:44,226 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 36 [2019-08-08 10:46:50,721 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 10 [2019-08-08 10:46:50,775 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:46:50,775 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:46:50,778 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 157038#(and (< 218 ~a1~0) (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (= ~a19~0 7)) [2019-08-08 10:46:50,779 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:46:50,789 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:46:50,793 INFO L168 Benchmark]: Toolchain (without parser) took 10431.43 ms. Allocated memory was 132.6 MB in the beginning and 562.0 MB in the end (delta: 429.4 MB). Free memory was 88.0 MB in the beginning and 195.6 MB in the end (delta: -107.6 MB). Peak memory consumption was 484.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:50,794 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:46:50,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.16 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 87.8 MB in the beginning and 167.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:50,796 INFO L168 Benchmark]: Boogie Preprocessor took 95.52 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 162.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:50,798 INFO L168 Benchmark]: RCFGBuilder took 2965.54 ms. Allocated memory was 202.9 MB in the beginning and 226.5 MB in the end (delta: 23.6 MB). Free memory was 162.9 MB in the beginning and 183.0 MB in the end (delta: -20.1 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:50,799 INFO L168 Benchmark]: Symbolic Interpretation took 6646.34 ms. Allocated memory was 226.5 MB in the beginning and 562.0 MB in the end (delta: 335.5 MB). Free memory was 182.6 MB in the beginning and 195.6 MB in the end (delta: -13.0 MB). Peak memory consumption was 485.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:50,804 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 115]: 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 0.37 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.16 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 87.8 MB in the beginning and 167.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.52 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 162.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2965.54 ms. Allocated memory was 202.9 MB in the beginning and 226.5 MB in the end (delta: 23.6 MB). Free memory was 162.9 MB in the beginning and 183.0 MB in the end (delta: -20.1 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6646.34 ms. Allocated memory was 226.5 MB in the beginning and 562.0 MB in the end (delta: 335.5 MB). Free memory was 182.6 MB in the beginning and 195.6 MB in the end (delta: -13.0 MB). Peak memory consumption was 485.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...