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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:59:26,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:59:26,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:59:26,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:59:26,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:59:26,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:59:26,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:59:26,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:59:26,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:59:26,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:59:26,108 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:59:26,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:59:26,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:59:26,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:59:26,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:59:26,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:59:26,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:59:26,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:59:26,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:59:26,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:59:26,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:59:26,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:59:26,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:59:26,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:59:26,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:59:26,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:59:26,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:59:26,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:59:26,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:59:26,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:59:26,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:59:26,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:59:26,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:59:26,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:59:26,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:59:26,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:59:26,140 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 09:59:26,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:59:26,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:59:26,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:59:26,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:59:26,169 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:59:26,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:59:26,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:59:26,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:59:26,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:59:26,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:59:26,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:59:26,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:59:26,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:59:26,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:59:26,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:59:26,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:59:26,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:59:26,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:59:26,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:59:26,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:59:26,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:59:26,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:26,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:59:26,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:59:26,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:59:26,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:59:26,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:59:26,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:59:26,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:59:26,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:59:26,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:59:26,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:59:26,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:59:26,226 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:59:26,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label28.c [2019-08-08 09:59:26,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4c554f7e/7fdd1cb81b0a4518a43c21e455d4ca62/FLAG15294af55 [2019-08-08 09:59:26,887 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:59:26,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label28.c [2019-08-08 09:59:26,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4c554f7e/7fdd1cb81b0a4518a43c21e455d4ca62/FLAG15294af55 [2019-08-08 09:59:27,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4c554f7e/7fdd1cb81b0a4518a43c21e455d4ca62 [2019-08-08 09:59:27,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:59:27,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:59:27,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:27,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:59:27,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:59:27,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f64df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27, skipping insertion in model container [2019-08-08 09:59:27,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,178 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:59:27,234 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:59:27,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:27,629 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:59:27,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:27,910 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:59:27,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27 WrapperNode [2019-08-08 09:59:27,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:27,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:59:27,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:59:27,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:59:27,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:27,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:28,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:28,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:28,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (1/1) ... [2019-08-08 09:59:28,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:59:28,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:59:28,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:59:28,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:59:28,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:27" (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 09:59:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:59:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:59:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:59:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:59:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:59:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:59:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:59:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:59:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:59:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:59:28,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:59:31,033 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:59:31,033 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:59:31,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:31 BoogieIcfgContainer [2019-08-08 09:59:31,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:59:31,036 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:59:31,036 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:59:31,036 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:59:31,037 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:31" (1/1) ... [2019-08-08 09:59:31,050 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:59:31,053 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:59:31,062 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:59:31,070 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:59:31,072 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:59:31,128 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:59:32,791 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:59:32,935 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:59:32,937 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:59:32,940 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 27301#(and (= 1 ~a7~0) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= 15 ~a8~0) (not (= ~a17~0 1)) (= ~a16~0 6)) [2019-08-08 09:59:32,943 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:59:32,952 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:59:32,956 INFO L168 Benchmark]: Toolchain (without parser) took 5791.92 ms. Allocated memory was 134.2 MB in the beginning and 324.5 MB in the end (delta: 190.3 MB). Free memory was 87.3 MB in the beginning and 233.4 MB in the end (delta: -146.1 MB). Peak memory consumption was 132.9 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,957 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 134.2 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 09:59:32,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.39 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 86.8 MB in the beginning and 169.2 MB in the end (delta: -82.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,960 INFO L168 Benchmark]: Boogie Preprocessor took 122.14 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 163.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,962 INFO L168 Benchmark]: RCFGBuilder took 3001.15 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 163.4 MB in the beginning and 181.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,964 INFO L168 Benchmark]: Symbolic Interpretation took 1916.63 ms. Allocated memory was 231.2 MB in the beginning and 324.5 MB in the end (delta: 93.3 MB). Free memory was 181.6 MB in the beginning and 233.4 MB in the end (delta: -51.8 MB). Peak memory consumption was 130.3 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:32,975 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 455]: 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 0.42 ms. Allocated memory is still 134.2 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.39 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 86.8 MB in the beginning and 169.2 MB in the end (delta: -82.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.14 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 163.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3001.15 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 163.4 MB in the beginning and 181.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1916.63 ms. Allocated memory was 231.2 MB in the beginning and 324.5 MB in the end (delta: 93.3 MB). Free memory was 181.6 MB in the beginning and 233.4 MB in the end (delta: -51.8 MB). Peak memory consumption was 130.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...