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/Problem03_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:52:33,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:52:33,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:52:33,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:52:33,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:52:33,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:52:33,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:52:33,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:52:33,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:52:33,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:52:33,257 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:52:33,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:52:33,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:52:33,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:52:33,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:52:33,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:52:33,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:52:33,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:52:33,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:52:33,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:52:33,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:52:33,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:52:33,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:52:33,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:52:33,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:52:33,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:52:33,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:52:33,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:52:33,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:52:33,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:52:33,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:52:33,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:52:33,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:52:33,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:52:33,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:52:33,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:52:33,283 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 16:52:33,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:52:33,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:52:33,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:52:33,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:52:33,302 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:52:33,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:52:33,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:52:33,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:52:33,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:52:33,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:52:33,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:52:33,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:52:33,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:52:33,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:52:33,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:52:33,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:52:33,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:52:33,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:52:33,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:52:33,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:52:33,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:52:33,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:52:33,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:52:33,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:52:33,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:52:33,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:52:33,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:52:33,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:52:33,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:52:33,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:52:33,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:52:33,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:52:33,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:52:33,365 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:52:33,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label21.c [2019-08-09 16:52:33,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86eb99eb0/aeb9fcd33ec94049b47f633d31e52975/FLAGd2710a967 [2019-08-09 16:52:34,086 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:52:34,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label21.c [2019-08-09 16:52:34,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86eb99eb0/aeb9fcd33ec94049b47f633d31e52975/FLAGd2710a967 [2019-08-09 16:52:34,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86eb99eb0/aeb9fcd33ec94049b47f633d31e52975 [2019-08-09 16:52:34,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:52:34,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:52:34,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:34,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:52:34,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:52:34,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:34" (1/1) ... [2019-08-09 16:52:34,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43420f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:34, skipping insertion in model container [2019-08-09 16:52:34,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:34" (1/1) ... [2019-08-09 16:52:34,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:52:34,410 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:52:35,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:35,166 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:52:35,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:35,532 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:52:35,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35 WrapperNode [2019-08-09 16:52:35,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:35,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:52:35,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:52:35,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:52:35,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:52:35,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:52:35,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:52:35,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:52:35,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35" (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 16:52:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:52:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:52:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:52:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:52:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:52:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:52:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:52:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:52:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:52:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:52:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:52:37,868 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:52:37,869 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:52:37,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:37 BoogieIcfgContainer [2019-08-09 16:52:37,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:52:37,875 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:52:37,875 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:52:37,876 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:52:37,877 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:37" (1/1) ... [2019-08-09 16:52:43,087 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:52:43,097 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:52:43,101 INFO L168 Benchmark]: Toolchain (without parser) took 8801.32 ms. Allocated memory was 132.1 MB in the beginning and 586.2 MB in the end (delta: 454.0 MB). Free memory was 83.0 MB in the beginning and 390.8 MB in the end (delta: -307.7 MB). Peak memory consumption was 389.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,102 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1234.62 ms. Allocated memory was 132.1 MB in the beginning and 220.2 MB in the end (delta: 88.1 MB). Free memory was 82.8 MB in the beginning and 166.7 MB in the end (delta: -83.9 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,106 INFO L168 Benchmark]: Boogie Preprocessor took 201.62 ms. Allocated memory is still 220.2 MB. Free memory was 166.7 MB in the beginning and 155.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,108 INFO L168 Benchmark]: RCFGBuilder took 2138.92 ms. Allocated memory was 220.2 MB in the beginning and 277.9 MB in the end (delta: 57.7 MB). Free memory was 155.2 MB in the beginning and 78.6 MB in the end (delta: 76.6 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,110 INFO L168 Benchmark]: Symbolic Interpretation took 5222.43 ms. Allocated memory was 277.9 MB in the beginning and 586.2 MB in the end (delta: 308.3 MB). Free memory was 78.6 MB in the beginning and 390.8 MB in the end (delta: -312.1 MB). Peak memory consumption was 239.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,123 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1641]: 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 98896#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a6~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (= 0 ~a3~0) (not (= ~a11~0 1)) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1234.62 ms. Allocated memory was 132.1 MB in the beginning and 220.2 MB in the end (delta: 88.1 MB). Free memory was 82.8 MB in the beginning and 166.7 MB in the end (delta: -83.9 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.62 ms. Allocated memory is still 220.2 MB. Free memory was 166.7 MB in the beginning and 155.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2138.92 ms. Allocated memory was 220.2 MB in the beginning and 277.9 MB in the end (delta: 57.7 MB). Free memory was 155.2 MB in the beginning and 78.6 MB in the end (delta: 76.6 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5222.43 ms. Allocated memory was 277.9 MB in the beginning and 586.2 MB in the end (delta: 308.3 MB). Free memory was 78.6 MB in the beginning and 390.8 MB in the end (delta: -312.1 MB). Peak memory consumption was 239.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...