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_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:59:20,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:59:20,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:59:20,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:59:20,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:59:20,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:59:20,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:59:20,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:59:20,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:59:20,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:59:20,261 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:59:20,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:59:20,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:59:20,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:59:20,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:59:20,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:59:20,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:59:20,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:59:20,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:59:20,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:59:20,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:59:20,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:59:20,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:59:20,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:59:20,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:59:20,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:59:20,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:59:20,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:59:20,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:59:20,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:59:20,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:59:20,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:59:20,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:59:20,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:59:20,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:59:20,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:59:20,287 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 09:59:20,302 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:59:20,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:59:20,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:59:20,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:59:20,304 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:59:20,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:59:20,304 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:59:20,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:59:20,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:59:20,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:59:20,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:59:20,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:59:20,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:59:20,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:59:20,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:59:20,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:59:20,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:59:20,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:59:20,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:59:20,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:59:20,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:59:20,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:20,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:59:20,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:59:20,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:59:20,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:59:20,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:59:20,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:59:20,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:59:20,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:59:20,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:59:20,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:59:20,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:59:20,358 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:59:20,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2019-08-08 09:59:20,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32138e3e8/8f32dfd7ed374851a2a368c115d3089c/FLAG3be9d8c56 [2019-08-08 09:59:20,951 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:59:20,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2019-08-08 09:59:20,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32138e3e8/8f32dfd7ed374851a2a368c115d3089c/FLAG3be9d8c56 [2019-08-08 09:59:21,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32138e3e8/8f32dfd7ed374851a2a368c115d3089c [2019-08-08 09:59:21,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:59:21,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:59:21,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:21,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:59:21,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:59:21,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:21" (1/1) ... [2019-08-08 09:59:21,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5623f284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:21, skipping insertion in model container [2019-08-08 09:59:21,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:21" (1/1) ... [2019-08-08 09:59:21,283 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:59:21,333 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:59:21,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:21,842 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:59:21,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:22,001 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:59:22,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22 WrapperNode [2019-08-08 09:59:22,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:22,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:59:22,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:59:22,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:59:22,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22" (1/1) ... [2019-08-08 09:59:22,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22" (1/1) ... [2019-08-08 09:59:22,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22" (1/1) ... [2019-08-08 09:59:22,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22" (1/1) ... [2019-08-08 09:59:22,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22" (1/1) ... [2019-08-08 09:59:22,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22" (1/1) ... [2019-08-08 09:59:22,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22" (1/1) ... [2019-08-08 09:59:22,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:59:22,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:59:22,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:59:22,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:59:22,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:22" (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 09:59:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:59:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:59:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:59:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:59:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:59:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:59:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:59:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:59:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:59:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:59:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:59:25,305 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:59:25,305 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:59:25,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:25 BoogieIcfgContainer [2019-08-08 09:59:25,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:59:25,308 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:59:25,308 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:59:25,309 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:59:25,309 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:25" (1/1) ... [2019-08-08 09:59:25,321 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:59:25,323 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:59:25,332 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:59:25,339 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:59:25,340 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:59:25,390 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:59:27,070 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:59:27,272 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:59:27,274 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:59:27,277 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 28818#(and (= 1 ~a7~0) (= ~a17~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a21~0 1) (= 15 ~a8~0) (= ~a16~0 6)) [2019-08-08 09:59:27,280 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:59:27,289 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:59:27,293 INFO L168 Benchmark]: Toolchain (without parser) took 6024.65 ms. Allocated memory was 140.0 MB in the beginning and 340.3 MB in the end (delta: 200.3 MB). Free memory was 86.4 MB in the beginning and 235.5 MB in the end (delta: -149.0 MB). Peak memory consumption was 132.3 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:27,294 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 09:59:27,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.41 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 86.0 MB in the beginning and 167.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:27,296 INFO L168 Benchmark]: Boogie Preprocessor took 140.97 ms. Allocated memory is still 202.9 MB. Free memory was 167.8 MB in the beginning and 163.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:27,299 INFO L168 Benchmark]: RCFGBuilder took 3164.25 ms. Allocated memory was 202.9 MB in the beginning and 228.1 MB in the end (delta: 25.2 MB). Free memory was 163.1 MB in the beginning and 180.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:27,300 INFO L168 Benchmark]: Symbolic Interpretation took 1981.53 ms. Allocated memory was 228.1 MB in the beginning and 340.3 MB in the end (delta: 112.2 MB). Free memory was 180.5 MB in the beginning and 235.5 MB in the end (delta: -55.0 MB). Peak memory consumption was 138.3 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:27,309 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 533]: 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 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.41 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 86.0 MB in the beginning and 167.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.97 ms. Allocated memory is still 202.9 MB. Free memory was 167.8 MB in the beginning and 163.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3164.25 ms. Allocated memory was 202.9 MB in the beginning and 228.1 MB in the end (delta: 25.2 MB). Free memory was 163.1 MB in the beginning and 180.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1981.53 ms. Allocated memory was 228.1 MB in the beginning and 340.3 MB in the end (delta: 112.2 MB). Free memory was 180.5 MB in the beginning and 235.5 MB in the end (delta: -55.0 MB). Peak memory consumption was 138.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...