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_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:49:28,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:49:28,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:49:28,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:49:28,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:49:28,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:49:28,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:49:28,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:49:28,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:49:28,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:49:28,089 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:49:28,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:49:28,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:49:28,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:49:28,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:49:28,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:49:28,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:49:28,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:49:28,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:49:28,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:49:28,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:49:28,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:49:28,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:49:28,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:49:28,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:49:28,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:49:28,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:49:28,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:49:28,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:49:28,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:49:28,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:49:28,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:49:28,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:49:28,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:49:28,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:49:28,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:49:28,117 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 [2019-08-09 16:49:28,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:49:28,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:49:28,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:49:28,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:49:28,144 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:49:28,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:49:28,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:49:28,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:49:28,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:49:28,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:49:28,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:49:28,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:49:28,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:49:28,148 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:49:28,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:49:28,148 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:49:28,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:49:28,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:49:28,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:49:28,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:49:28,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:49:28,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:49:28,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:49:28,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:49:28,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:49:28,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:49:28,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:49:28,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:49:28,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:49:28,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:49:28,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:49:28,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:49:28,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:49:28,233 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:49:28,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label50.c [2019-08-09 16:49:28,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ba320e4/d9f8aa8bc05e4f549cf1a7cbe3a7d2b4/FLAG2ce4fd339 [2019-08-09 16:49:28,850 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:49:28,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label50.c [2019-08-09 16:49:28,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ba320e4/d9f8aa8bc05e4f549cf1a7cbe3a7d2b4/FLAG2ce4fd339 [2019-08-09 16:49:29,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ba320e4/d9f8aa8bc05e4f549cf1a7cbe3a7d2b4 [2019-08-09 16:49:29,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:49:29,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:49:29,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:29,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:49:29,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:49:29,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:29,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff24920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29, skipping insertion in model container [2019-08-09 16:49:29,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:29,202 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:49:29,264 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:49:29,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:29,833 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:49:29,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:29,981 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:49:29,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29 WrapperNode [2019-08-09 16:49:29,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:29,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:49:29,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:49:29,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:49:30,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:30,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:30,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:30,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:30,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:30,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:30,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29" (1/1) ... [2019-08-09 16:49:30,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:49:30,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:49:30,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:49:30,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:49:30,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:29" (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 [2019-08-09 16:49:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:49:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:49:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:49:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:49:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:49:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:49:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:49:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:49:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:49:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:49:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:49:31,437 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:49:31,438 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:49:31,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:31 BoogieIcfgContainer [2019-08-09 16:49:31,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:49:31,445 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:49:31,445 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:49:31,445 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:49:31,446 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:31" (1/1) ... [2019-08-09 16:49:33,122 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:49:33,131 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:49:33,135 INFO L168 Benchmark]: Toolchain (without parser) took 3948.02 ms. Allocated memory was 138.9 MB in the beginning and 271.1 MB in the end (delta: 132.1 MB). Free memory was 85.3 MB in the beginning and 121.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 139.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:33,137 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:49:33,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.28 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 85.0 MB in the beginning and 167.4 MB in the end (delta: -82.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:33,141 INFO L168 Benchmark]: Boogie Preprocessor took 173.84 ms. Allocated memory is still 202.4 MB. Free memory was 167.4 MB in the beginning and 162.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:33,143 INFO L168 Benchmark]: RCFGBuilder took 1285.04 ms. Allocated memory was 202.4 MB in the beginning and 224.9 MB in the end (delta: 22.5 MB). Free memory was 162.8 MB in the beginning and 181.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:33,145 INFO L168 Benchmark]: Symbolic Interpretation took 1686.65 ms. Allocated memory was 224.9 MB in the beginning and 271.1 MB in the end (delta: 46.1 MB). Free memory was 181.0 MB in the beginning and 121.2 MB in the end (delta: 59.8 MB). Peak memory consumption was 149.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:33,160 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 413]: 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. Predicate is 26561#(and (= ~a16~0 4) (not (= 1 ~a7~0)) (= ~a12~0 8) (= ~a20~0 1) (= ~a21~0 1) (not (= ~a17~0 1)) (= 14 ~a8~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.28 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 85.0 MB in the beginning and 167.4 MB in the end (delta: -82.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.84 ms. Allocated memory is still 202.4 MB. Free memory was 167.4 MB in the beginning and 162.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1285.04 ms. Allocated memory was 202.4 MB in the beginning and 224.9 MB in the end (delta: 22.5 MB). Free memory was 162.8 MB in the beginning and 181.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1686.65 ms. Allocated memory was 224.9 MB in the beginning and 271.1 MB in the end (delta: 46.1 MB). Free memory was 181.0 MB in the beginning and 121.2 MB in the end (delta: 59.8 MB). Peak memory consumption was 149.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...