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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:49:02,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:49:02,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:49:02,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:49:02,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:49:02,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:49:02,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:49:02,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:49:02,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:49:02,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:49:02,387 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:49:02,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:49:02,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:49:02,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:49:02,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:49:02,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:49:02,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:49:02,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:49:02,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:49:02,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:49:02,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:49:02,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:49:02,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:49:02,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:49:02,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:49:02,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:49:02,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:49:02,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:49:02,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:49:02,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:49:02,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:49:02,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:49:02,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:49:02,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:49:02,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:49:02,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:49:02,423 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 16:49:02,437 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:49:02,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:49:02,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:49:02,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:49:02,439 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:49:02,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:49:02,439 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:49:02,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:49:02,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:49:02,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:49:02,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:49:02,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:49:02,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:49:02,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:49:02,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:49:02,441 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:49:02,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:49:02,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:49:02,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:49:02,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:49:02,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:49:02,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:49:02,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:49:02,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:49:02,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:49:02,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:49:02,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:49:02,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:49:02,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:49:02,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:49:02,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:49:02,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:49:02,512 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:49:02,512 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:49:02,513 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2019-08-09 16:49:02,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a88c137/6226390c2e06410c8f75d72ac770fe82/FLAG94a04bd81 [2019-08-09 16:49:03,186 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:49:03,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2019-08-09 16:49:03,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a88c137/6226390c2e06410c8f75d72ac770fe82/FLAG94a04bd81 [2019-08-09 16:49:03,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a88c137/6226390c2e06410c8f75d72ac770fe82 [2019-08-09 16:49:03,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:49:03,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:49:03,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:03,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:49:03,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:49:03,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:03" (1/1) ... [2019-08-09 16:49:03,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fce86fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:03, skipping insertion in model container [2019-08-09 16:49:03,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:03" (1/1) ... [2019-08-09 16:49:03,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:49:03,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:49:04,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:04,038 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:49:04,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:04,284 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:49:04,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04 WrapperNode [2019-08-09 16:49:04,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:04,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:49:04,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:49:04,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:49:04,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04" (1/1) ... [2019-08-09 16:49:04,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04" (1/1) ... [2019-08-09 16:49:04,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04" (1/1) ... [2019-08-09 16:49:04,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04" (1/1) ... [2019-08-09 16:49:04,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04" (1/1) ... [2019-08-09 16:49:04,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04" (1/1) ... [2019-08-09 16:49:04,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04" (1/1) ... [2019-08-09 16:49:04,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:49:04,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:49:04,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:49:04,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:49:04,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:04" (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 16:49:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:49:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:49:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:49:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:49:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:49:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:49:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:49:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:49:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:49:05,839 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:49:05,839 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:49:05,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:05 BoogieIcfgContainer [2019-08-09 16:49:05,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:49:05,844 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:49:05,845 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:49:05,845 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:49:05,847 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:05" (1/1) ... [2019-08-09 16:49:07,834 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:49:07,841 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:49:07,844 INFO L168 Benchmark]: Toolchain (without parser) took 4390.92 ms. Allocated memory was 138.9 MB in the beginning and 345.0 MB in the end (delta: 206.0 MB). Free memory was 84.4 MB in the beginning and 218.4 MB in the end (delta: -134.1 MB). Peak memory consumption was 139.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:07,846 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:49:07,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.07 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 84.2 MB in the beginning and 168.0 MB in the end (delta: -83.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:07,848 INFO L168 Benchmark]: Boogie Preprocessor took 121.38 ms. Allocated memory is still 202.4 MB. Free memory was 168.0 MB in the beginning and 163.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:07,849 INFO L168 Benchmark]: RCFGBuilder took 1436.53 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 163.3 MB in the beginning and 181.6 MB in the end (delta: -18.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:07,850 INFO L168 Benchmark]: Symbolic Interpretation took 1997.07 ms. Allocated memory was 225.4 MB in the beginning and 345.0 MB in the end (delta: 119.5 MB). Free memory was 181.6 MB in the beginning and 218.4 MB in the end (delta: -36.9 MB). Peak memory consumption was 150.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:07,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 572]: 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 36498#(and (= 13 ~a8~0) (not (= 1 ~a7~0)) (= ~a12~0 8) (= ~a20~0 1) (= ~a21~0 1) (not (= ~a17~0 1)) (= ~a16~0 5)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.07 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 84.2 MB in the beginning and 168.0 MB in the end (delta: -83.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.38 ms. Allocated memory is still 202.4 MB. Free memory was 168.0 MB in the beginning and 163.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1436.53 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 163.3 MB in the beginning and 181.6 MB in the end (delta: -18.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1997.07 ms. Allocated memory was 225.4 MB in the beginning and 345.0 MB in the end (delta: 119.5 MB). Free memory was 181.6 MB in the beginning and 218.4 MB in the end (delta: -36.9 MB). Peak memory consumption was 150.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...