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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:45:42,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:45:42,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:45:42,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:45:42,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:45:42,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:45:42,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:45:42,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:45:42,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:45:42,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:45:42,162 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:45:42,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:45:42,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:45:42,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:45:42,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:45:42,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:45:42,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:45:42,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:45:42,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:45:42,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:45:42,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:45:42,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:45:42,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:45:42,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:45:42,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:45:42,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:45:42,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:45:42,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:45:42,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:45:42,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:45:42,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:45:42,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:45:42,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:45:42,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:45:42,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:45:42,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:45:42,189 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 10:45:42,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:45:42,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:45:42,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:45:42,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:45:42,207 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:45:42,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:45:42,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:45:42,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:45:42,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:45:42,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:45:42,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:45:42,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:45:42,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:45:42,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:45:42,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:45:42,212 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:45:42,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:45:42,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:45:42,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:45:42,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:45:42,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:45:42,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:45:42,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:45:42,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:45:42,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:45:42,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:45:42,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:45:42,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:45:42,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:45:42,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:45:42,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:45:42,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:45:42,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:45:42,288 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:45:42,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2019-08-08 10:45:42,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6617651/65c822d278ff498eaf88baf7a8318f51/FLAG0fe607696 [2019-08-08 10:45:42,825 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:45:42,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2019-08-08 10:45:42,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6617651/65c822d278ff498eaf88baf7a8318f51/FLAG0fe607696 [2019-08-08 10:45:43,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6617651/65c822d278ff498eaf88baf7a8318f51 [2019-08-08 10:45:43,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:45:43,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:45:43,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:45:43,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:45:43,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:45:43,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:43,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530c9333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43, skipping insertion in model container [2019-08-08 10:45:43,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:43,194 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:45:43,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:45:43,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:45:43,784 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:45:43,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:45:43,917 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:45:43,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43 WrapperNode [2019-08-08 10:45:43,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:45:43,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:45:43,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:45:43,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:45:43,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:43,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:43,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:43,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:43,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:44,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:44,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43" (1/1) ... [2019-08-08 10:45:44,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:45:44,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:45:44,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:45:44,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:45:44,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:43" (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 10:45:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:45:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:45:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:45:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:45:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:45:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:45:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:45:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:45:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:45:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:45:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:45:47,209 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:45:47,209 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:45:47,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:45:47 BoogieIcfgContainer [2019-08-08 10:45:47,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:45:47,211 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:45:47,212 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:45:47,212 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:45:47,213 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:45:47" (1/1) ... [2019-08-08 10:45:47,226 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:45:47,229 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:45:47,238 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:45:47,246 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:45:47,247 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:45:47,295 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 36 [2019-08-08 10:45:53,534 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 10 [2019-08-08 10:45:53,708 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:45:53,708 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:45:53,711 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 163105#(and (<= ~a1~0 218) (< 38 ~a1~0) (= 14 ~a4~0) (= ~a10~0 1) (= ~a19~0 6) (= ~a12~0 0)) [2019-08-08 10:45:53,712 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:45:53,720 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:45:53,723 INFO L168 Benchmark]: Toolchain (without parser) took 10543.70 ms. Allocated memory was 132.6 MB in the beginning and 601.9 MB in the end (delta: 469.2 MB). Free memory was 87.3 MB in the beginning and 213.6 MB in the end (delta: -126.3 MB). Peak memory consumption was 529.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:53,724 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:45:53,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.91 ms. Allocated memory was 132.6 MB in the beginning and 203.4 MB in the end (delta: 70.8 MB). Free memory was 87.1 MB in the beginning and 167.9 MB in the end (delta: -80.8 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:53,726 INFO L168 Benchmark]: Boogie Preprocessor took 107.78 ms. Allocated memory is still 203.4 MB. Free memory was 167.9 MB in the beginning and 162.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:53,727 INFO L168 Benchmark]: RCFGBuilder took 3184.88 ms. Allocated memory was 203.4 MB in the beginning and 227.0 MB in the end (delta: 23.6 MB). Free memory was 162.5 MB in the beginning and 182.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:53,729 INFO L168 Benchmark]: Symbolic Interpretation took 6508.83 ms. Allocated memory was 227.0 MB in the beginning and 601.9 MB in the end (delta: 374.9 MB). Free memory was 182.1 MB in the beginning and 213.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 529.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:53,733 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 160]: 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 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.91 ms. Allocated memory was 132.6 MB in the beginning and 203.4 MB in the end (delta: 70.8 MB). Free memory was 87.1 MB in the beginning and 167.9 MB in the end (delta: -80.8 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.78 ms. Allocated memory is still 203.4 MB. Free memory was 167.9 MB in the beginning and 162.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3184.88 ms. Allocated memory was 203.4 MB in the beginning and 227.0 MB in the end (delta: 23.6 MB). Free memory was 162.5 MB in the beginning and 182.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6508.83 ms. Allocated memory was 227.0 MB in the beginning and 601.9 MB in the end (delta: 374.9 MB). Free memory was 182.1 MB in the beginning and 213.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 529.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...