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/Problem14_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:53:41,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:53:41,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:53:41,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:53:41,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:53:41,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:53:41,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:53:41,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:53:41,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:53:41,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:53:41,232 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:53:41,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:53:41,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:53:41,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:53:41,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:53:41,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:53:41,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:53:41,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:53:41,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:53:41,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:53:41,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:53:41,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:53:41,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:53:41,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:53:41,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 14:53:41,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:53:41,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:53:41,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:53:41,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:53:41,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:53:41,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:53:41,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:53:41,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:53:41,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:53:41,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:53:41,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:53:41,273 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 [2019-08-14 14:53:41,311 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:53:41,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:53:41,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:53:41,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:53:41,313 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:53:41,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:53:41,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:53:41,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:53:41,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:53:41,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:53:41,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:53:41,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:53:41,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:53:41,317 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:53:41,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:53:41,317 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:53:41,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:53:41,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:53:41,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:53:41,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:53:41,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:53:41,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:53:41,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:53:41,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:53:41,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:53:41,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:53:41,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:53:41,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:53:41,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:53:41,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:53:41,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:53:41,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:53:41,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:53:41,394 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:53:41,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label46.c [2019-08-14 14:53:41,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5b30372/22a447f9cea4406ba4582766fe1d4818/FLAG899f3eff1 [2019-08-14 14:53:42,095 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:53:42,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label46.c [2019-08-14 14:53:42,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5b30372/22a447f9cea4406ba4582766fe1d4818/FLAG899f3eff1 [2019-08-14 14:53:42,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5b30372/22a447f9cea4406ba4582766fe1d4818 [2019-08-14 14:53:42,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:53:42,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:53:42,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:53:42,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:53:42,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:53:42,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:53:42" (1/1) ... [2019-08-14 14:53:42,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567210d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:42, skipping insertion in model container [2019-08-14 14:53:42,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:53:42" (1/1) ... [2019-08-14 14:53:42,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:53:42,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:53:42,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:53:43,014 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:53:43,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:53:43,197 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:53:43,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43 WrapperNode [2019-08-14 14:53:43,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:53:43,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:53:43,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:53:43,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:53:43,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43" (1/1) ... [2019-08-14 14:53:43,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43" (1/1) ... [2019-08-14 14:53:43,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43" (1/1) ... [2019-08-14 14:53:43,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43" (1/1) ... [2019-08-14 14:53:43,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43" (1/1) ... [2019-08-14 14:53:43,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43" (1/1) ... [2019-08-14 14:53:43,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43" (1/1) ... [2019-08-14 14:53:43,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:53:43,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:53:43,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:53:43,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:53:43,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:43" (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 [2019-08-14 14:53:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:53:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:53:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:53:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:53:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:53:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:53:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:53:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:53:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:53:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:53:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:53:44,863 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:53:44,864 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:53:44,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:53:44 BoogieIcfgContainer [2019-08-14 14:53:44,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:53:44,866 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:53:44,866 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:53:44,866 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:53:44,867 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:53:44" (1/1) ... [2019-08-14 14:53:59,433 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 14:53:59,437 INFO L168 Benchmark]: Toolchain (without parser) took 17063.44 ms. Allocated memory was 141.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 86.8 MB in the beginning and 794.7 MB in the end (delta: -707.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-14 14:53:59,438 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 14:53:59,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.43 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 86.6 MB in the beginning and 167.4 MB in the end (delta: -80.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2019-08-14 14:53:59,441 INFO L168 Benchmark]: Boogie Preprocessor took 155.92 ms. Allocated memory is still 205.0 MB. Free memory was 167.4 MB in the beginning and 162.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-14 14:53:59,442 INFO L168 Benchmark]: RCFGBuilder took 1510.61 ms. Allocated memory was 205.0 MB in the beginning and 231.7 MB in the end (delta: 26.7 MB). Free memory was 162.1 MB in the beginning and 159.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2019-08-14 14:53:59,443 INFO L168 Benchmark]: Symbolic Interpretation took 14567.69 ms. Allocated memory was 231.7 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 159.6 MB in the beginning and 794.7 MB in the end (delta: -635.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-14 14:53:59,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 409329#(and (= ~a15~0 7) (= ~a24~0 1) (= ~a21~0 8) (<= ~a12~0 11) (< 0 (+ ~a12~0 43))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 825.43 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 86.6 MB in the beginning and 167.4 MB in the end (delta: -80.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.92 ms. Allocated memory is still 205.0 MB. Free memory was 167.4 MB in the beginning and 162.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1510.61 ms. Allocated memory was 205.0 MB in the beginning and 231.7 MB in the end (delta: 26.7 MB). Free memory was 162.1 MB in the beginning and 159.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14567.69 ms. Allocated memory was 231.7 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 159.6 MB in the beginning and 794.7 MB in the end (delta: -635.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...