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/Problem10_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:45:16,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:45:16,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:45:16,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:45:16,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:45:16,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:45:16,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:45:16,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:45:16,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:45:16,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:45:16,272 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:45:16,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:45:16,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:45:16,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:45:16,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:45:16,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:45:16,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:45:16,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:45:16,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:45:16,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:45:16,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:45:16,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:45:16,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:45:16,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:45:16,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:45:16,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:45:16,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:45:16,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:45:16,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:45:16,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:45:16,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:45:16,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:45:16,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:45:16,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:45:16,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:45:16,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:45:16,298 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 10:45:16,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:45:16,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:45:16,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:45:16,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:45:16,314 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:45:16,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:45:16,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:45:16,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:45:16,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:45:16,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:45:16,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:45:16,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:45:16,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:45:16,316 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:45:16,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:45:16,316 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:45:16,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:45:16,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:45:16,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:45:16,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:45:16,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:45:16,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:45:16,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:45:16,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:45:16,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:45:16,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:45:16,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:45:16,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:45:16,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:45:16,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:45:16,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:45:16,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:45:16,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:45:16,367 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:45:16,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label01.c [2019-08-08 10:45:16,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549c78f2e/dafdcda847574688b9ffc3c954acb0b7/FLAGeea802100 [2019-08-08 10:45:16,938 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:45:16,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label01.c [2019-08-08 10:45:16,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549c78f2e/dafdcda847574688b9ffc3c954acb0b7/FLAGeea802100 [2019-08-08 10:45:17,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549c78f2e/dafdcda847574688b9ffc3c954acb0b7 [2019-08-08 10:45:17,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:45:17,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:45:17,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:45:17,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:45:17,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:45:17,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:45:17" (1/1) ... [2019-08-08 10:45:17,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee2fa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:17, skipping insertion in model container [2019-08-08 10:45:17,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:45:17" (1/1) ... [2019-08-08 10:45:17,278 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:45:17,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:45:17,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:45:17,957 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:45:18,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:45:18,189 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:45:18,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18 WrapperNode [2019-08-08 10:45:18,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:45:18,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:45:18,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:45:18,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:45:18,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18" (1/1) ... [2019-08-08 10:45:18,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18" (1/1) ... [2019-08-08 10:45:18,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18" (1/1) ... [2019-08-08 10:45:18,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18" (1/1) ... [2019-08-08 10:45:18,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18" (1/1) ... [2019-08-08 10:45:18,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18" (1/1) ... [2019-08-08 10:45:18,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18" (1/1) ... [2019-08-08 10:45:18,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:45:18,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:45:18,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:45:18,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:45:18,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:18" (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 10:45:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:45:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:45:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:45:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:45:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:45:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:45:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:45:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:45:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:45:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:45:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:45:21,372 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:45:21,373 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:45:21,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:45:21 BoogieIcfgContainer [2019-08-08 10:45:21,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:45:21,376 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:45:21,376 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:45:21,377 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:45:21,378 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:45:21" (1/1) ... [2019-08-08 10:45:21,390 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:45:21,396 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:45:21,405 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:45:21,413 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:45:21,415 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:45:21,464 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 36 [2019-08-08 10:45:27,263 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 10 [2019-08-08 10:45:27,317 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:45:27,318 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:45:27,320 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 157649#(and (< 38 ~a1~0) (<= ~a1~0 218) (= 14 ~a4~0) (= ~a19~0 6) (= ~a10~0 0) (= ~a12~0 0)) [2019-08-08 10:45:27,321 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:45:27,328 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:45:27,331 INFO L168 Benchmark]: Toolchain (without parser) took 10071.92 ms. Allocated memory was 134.2 MB in the beginning and 569.4 MB in the end (delta: 435.2 MB). Free memory was 88.6 MB in the beginning and 178.5 MB in the end (delta: -89.9 MB). Peak memory consumption was 492.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:27,332 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:45:27,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.05 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 88.4 MB in the beginning and 164.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:27,335 INFO L168 Benchmark]: Boogie Preprocessor took 134.17 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 160.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:27,336 INFO L168 Benchmark]: RCFGBuilder took 3050.89 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 160.3 MB in the beginning and 180.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:27,337 INFO L168 Benchmark]: Symbolic Interpretation took 5952.39 ms. Allocated memory was 228.1 MB in the beginning and 569.4 MB in the end (delta: 341.3 MB). Free memory was 180.0 MB in the beginning and 178.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 489.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:27,341 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 163]: 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 0.36 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 929.05 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 88.4 MB in the beginning and 164.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.17 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 160.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3050.89 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 160.3 MB in the beginning and 180.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5952.39 ms. Allocated memory was 228.1 MB in the beginning and 569.4 MB in the end (delta: 341.3 MB). Free memory was 180.0 MB in the beginning and 178.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 489.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...