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/Problem18_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:56:11,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:56:11,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:56:11,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:56:11,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:56:11,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:56:11,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:56:11,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:56:11,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:56:11,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:56:11,155 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:56:11,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:56:11,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:56:11,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:56:11,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:56:11,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:56:11,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:56:11,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:56:11,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:56:11,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:56:11,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:56:11,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:56:11,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:56:11,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:56:11,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:56:11,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:56:11,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:56:11,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:56:11,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:56:11,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:56:11,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:56:11,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:56:11,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:56:11,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:56:11,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:56:11,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:56:11,188 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 23:56:11,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:56:11,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:56:11,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:56:11,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:56:11,219 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:56:11,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:56:11,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:56:11,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:56:11,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:56:11,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:56:11,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:56:11,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:56:11,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:56:11,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:56:11,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:56:11,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:56:11,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:56:11,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:56:11,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:56:11,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:56:11,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:56:11,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:56:11,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:56:11,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:56:11,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:56:11,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:56:11,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:56:11,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:56:11,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:56:11,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:56:11,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:56:11,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:56:11,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:56:11,278 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:56:11,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label39.c [2019-08-09 23:56:11,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432523bae/4c30f662714d4265b41b7270f6ef6d86/FLAG23d251ca8 [2019-08-09 23:56:12,148 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:56:12,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label39.c [2019-08-09 23:56:12,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432523bae/4c30f662714d4265b41b7270f6ef6d86/FLAG23d251ca8 [2019-08-09 23:56:12,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432523bae/4c30f662714d4265b41b7270f6ef6d86 [2019-08-09 23:56:12,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:56:12,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:56:12,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:56:12,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:56:12,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:56:12,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:56:12" (1/1) ... [2019-08-09 23:56:12,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5415ecb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:12, skipping insertion in model container [2019-08-09 23:56:12,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:56:12" (1/1) ... [2019-08-09 23:56:12,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:56:12,446 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:56:13,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:56:13,803 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:56:14,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:56:14,339 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:56:14,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14 WrapperNode [2019-08-09 23:56:14,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:56:14,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:56:14,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:56:14,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:56:14,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14" (1/1) ... [2019-08-09 23:56:14,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14" (1/1) ... [2019-08-09 23:56:14,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14" (1/1) ... [2019-08-09 23:56:14,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14" (1/1) ... [2019-08-09 23:56:14,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14" (1/1) ... [2019-08-09 23:56:14,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14" (1/1) ... [2019-08-09 23:56:14,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14" (1/1) ... [2019-08-09 23:56:14,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:56:14,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:56:14,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:56:14,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:56:14,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:14" (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 23:56:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:56:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:56:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:56:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:56:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:56:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:56:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:56:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:56:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:56:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:56:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:56:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:56:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:56:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:56:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:56:18,431 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:56:18,431 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:56:18,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:56:18 BoogieIcfgContainer [2019-08-09 23:56:18,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:56:18,435 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:56:18,435 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:56:18,435 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:56:18,436 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:56:18" (1/1) ... [2019-08-09 23:56:59,256 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:56:59,264 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:56:59,267 INFO L168 Benchmark]: Toolchain (without parser) took 46965.90 ms. Allocated memory was 138.9 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 77.2 MB in the beginning and 668.6 MB in the end (delta: -591.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-09 23:56:59,268 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 23:56:59,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2039.68 ms. Allocated memory was 138.9 MB in the beginning and 227.0 MB in the end (delta: 88.1 MB). Free memory was 77.0 MB in the beginning and 109.8 MB in the end (delta: -32.8 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. [2019-08-09 23:56:59,270 INFO L168 Benchmark]: Boogie Preprocessor took 292.22 ms. Allocated memory is still 227.0 MB. Free memory was 109.8 MB in the beginning and 89.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:56:59,271 INFO L168 Benchmark]: RCFGBuilder took 3800.14 ms. Allocated memory was 227.0 MB in the beginning and 343.4 MB in the end (delta: 116.4 MB). Free memory was 89.3 MB in the beginning and 113.1 MB in the end (delta: -23.8 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. [2019-08-09 23:56:59,272 INFO L168 Benchmark]: Symbolic Interpretation took 40829.48 ms. Allocated memory was 343.4 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 113.1 MB in the beginning and 668.6 MB in the end (delta: -555.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-09 23:56:59,277 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 48]: 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 979321#(and (= ~a15~0 4) (= ~a24~0 2) (<= ~a3~0 115) (= ~a18~0 8)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2039.68 ms. Allocated memory was 138.9 MB in the beginning and 227.0 MB in the end (delta: 88.1 MB). Free memory was 77.0 MB in the beginning and 109.8 MB in the end (delta: -32.8 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 292.22 ms. Allocated memory is still 227.0 MB. Free memory was 109.8 MB in the beginning and 89.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3800.14 ms. Allocated memory was 227.0 MB in the beginning and 343.4 MB in the end (delta: 116.4 MB). Free memory was 89.3 MB in the beginning and 113.1 MB in the end (delta: -23.8 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 40829.48 ms. Allocated memory was 343.4 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 113.1 MB in the beginning and 668.6 MB in the end (delta: -555.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...