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/Problem17_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:04:31,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:04:31,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:04:31,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:04:31,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:04:31,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:04:31,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:04:31,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:04:31,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:04:31,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:04:31,378 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:04:31,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:04:31,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:04:31,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:04:31,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:04:31,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:04:31,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:04:31,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:04:31,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:04:31,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:04:31,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:04:31,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:04:31,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:04:31,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:04:31,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:04:31,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:04:31,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:04:31,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:04:31,405 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 11:04:31,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:04:31,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:04:31,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:04:31,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:04:31,429 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:04:31,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:04:31,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:04:31,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:04:31,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:04:31,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:04:31,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:04:31,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:04:31,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:04:31,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:04:31,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:04:31,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:04:31,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:04:31,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:04:31,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:04:31,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:04:31,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:04:31,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:04:31,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:04:31,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:04:31,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:04:31,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:04:31,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:04:31,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:04:31,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:04:31,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:04:31,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:04:31,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:04:31,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:04:31,488 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:04:31,489 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label48.c [2019-08-08 11:04:31,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd9c864c/a9934dcb5bfa4b198140538a909f1cf8/FLAGd2f78fa84 [2019-08-08 11:04:32,256 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:04:32,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label48.c [2019-08-08 11:04:32,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd9c864c/a9934dcb5bfa4b198140538a909f1cf8/FLAGd2f78fa84 [2019-08-08 11:04:32,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd9c864c/a9934dcb5bfa4b198140538a909f1cf8 [2019-08-08 11:04:32,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:04:32,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:04:32,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:04:32,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:04:32,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:04:32,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:04:32" (1/1) ... [2019-08-08 11:04:32,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73695c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:32, skipping insertion in model container [2019-08-08 11:04:32,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:04:32" (1/1) ... [2019-08-08 11:04:32,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:04:32,535 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:04:33,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:04:33,745 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:04:34,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:04:34,215 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:04:34,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34 WrapperNode [2019-08-08 11:04:34,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:04:34,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:04:34,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:04:34,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:04:34,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:04:34,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:04:34,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:04:34,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:04:34,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (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 11:04:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:04:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:04:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:04:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:04:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:04:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:04:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:04:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:04:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:04:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:04:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:04:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:04:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:04:42,966 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:04:42,971 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:04:42,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:04:42 BoogieIcfgContainer [2019-08-08 11:04:42,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:04:42,974 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:04:42,974 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:04:42,975 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:04:42,976 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:04:42" (1/1) ... [2019-08-08 11:04:42,991 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:04:42,994 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:04:43,009 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:04:43,017 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:04:43,019 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:04:43,072 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 11:05:06,861 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 89 [2019-08-08 11:05:07,059 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:05:07,060 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:05:07,062 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 676913#(and (< 217 ~a26~0) (<= ~a28~0 134) (= ~a24~0 1) (< 37 ~a28~0) (<= ~a21~0 127) (<= (+ ~a14~0 182) 0)) [2019-08-08 11:05:07,063 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:05:07,071 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:05:07,074 INFO L168 Benchmark]: Toolchain (without parser) took 34649.83 ms. Allocated memory was 131.6 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 78.9 MB in the beginning and 938.8 MB in the end (delta: -859.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 11:05:07,075 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:05:07,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1793.00 ms. Allocated memory was 131.6 MB in the beginning and 232.8 MB in the end (delta: 101.2 MB). Free memory was 78.6 MB in the beginning and 147.3 MB in the end (delta: -68.6 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:05:07,077 INFO L168 Benchmark]: Boogie Preprocessor took 269.67 ms. Allocated memory is still 232.8 MB. Free memory was 147.3 MB in the beginning and 127.9 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:05:07,079 INFO L168 Benchmark]: RCFGBuilder took 8485.98 ms. Allocated memory was 232.8 MB in the beginning and 370.1 MB in the end (delta: 137.4 MB). Free memory was 127.9 MB in the beginning and 272.4 MB in the end (delta: -144.4 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:05:07,080 INFO L168 Benchmark]: Symbolic Interpretation took 24097.70 ms. Allocated memory was 370.1 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 272.4 MB in the beginning and 938.8 MB in the end (delta: -666.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:05:07,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 137]: 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 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1793.00 ms. Allocated memory was 131.6 MB in the beginning and 232.8 MB in the end (delta: 101.2 MB). Free memory was 78.6 MB in the beginning and 147.3 MB in the end (delta: -68.6 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 269.67 ms. Allocated memory is still 232.8 MB. Free memory was 147.3 MB in the beginning and 127.9 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8485.98 ms. Allocated memory was 232.8 MB in the beginning and 370.1 MB in the end (delta: 137.4 MB). Free memory was 127.9 MB in the beginning and 272.4 MB in the end (delta: -144.4 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 24097.70 ms. Allocated memory was 370.1 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 272.4 MB in the beginning and 938.8 MB in the end (delta: -666.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...