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/Problem06_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:09:04,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:09:04,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:09:04,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:09:04,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:09:04,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:09:04,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:09:04,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:09:04,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:09:04,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:09:04,358 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:09:04,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:09:04,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:09:04,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:09:04,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:09:04,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:09:04,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:09:04,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:09:04,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:09:04,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:09:04,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:09:04,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:09:04,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:09:04,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:09:04,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:09:04,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:09:04,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:09:04,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:09:04,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:09:04,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:09:04,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:09:04,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:09:04,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:09:04,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:09:04,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:09:04,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:09:04,398 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 [2019-08-14 11:09:04,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:09:04,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:09:04,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:09:04,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:09:04,428 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:09:04,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:09:04,428 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:09:04,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:09:04,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:09:04,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:09:04,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:09:04,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:09:04,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:09:04,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:09:04,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:09:04,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:09:04,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:09:04,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:09:04,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:09:04,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:09:04,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:09:04,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:09:04,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:09:04,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:09:04,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:09:04,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:09:04,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:09:04,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:09:04,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:09:04,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:09:04,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:09:04,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:09:04,503 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:09:04,503 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:09:04,504 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label21.c [2019-08-14 11:09:04,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e735468/83a99f45234f4015a012e98d9141c57a/FLAG0a17896e8 [2019-08-14 11:09:05,498 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:09:05,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label21.c [2019-08-14 11:09:05,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e735468/83a99f45234f4015a012e98d9141c57a/FLAG0a17896e8 [2019-08-14 11:09:05,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e735468/83a99f45234f4015a012e98d9141c57a [2019-08-14 11:09:05,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:09:05,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:09:05,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:05,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:09:05,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:09:05,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394a01cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05, skipping insertion in model container [2019-08-14 11:09:05,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,945 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:09:06,171 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:09:08,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:09:08,507 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:09:09,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:09:09,632 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:09:09,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09 WrapperNode [2019-08-14 11:09:09,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:09,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:09:09,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:09:09,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:09:09,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09" (1/1) ... [2019-08-14 11:09:09,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09" (1/1) ... [2019-08-14 11:09:09,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09" (1/1) ... [2019-08-14 11:09:09,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09" (1/1) ... [2019-08-14 11:09:10,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09" (1/1) ... [2019-08-14 11:09:10,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09" (1/1) ... [2019-08-14 11:09:10,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09" (1/1) ... [2019-08-14 11:09:10,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:09:10,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:09:10,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:09:10,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:09:10,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:09" (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 [2019-08-14 11:09:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:09:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:09:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:09:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:09:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:09:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:09:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 11:09:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:09:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:09:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:09:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:09:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:09:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 11:09:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:09:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:09:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:09:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:09:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:09:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:09:19,211 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:09:19,211 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:09:19,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:09:19 BoogieIcfgContainer [2019-08-14 11:09:19,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:09:19,220 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:09:19,220 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:09:19,222 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:09:19,223 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:09:19" (1/1) ... [2019-08-14 11:09:25,759 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:09:25,763 INFO L168 Benchmark]: Toolchain (without parser) took 19831.57 ms. Allocated memory was 176.7 MB in the beginning and 831.0 MB in the end (delta: 654.3 MB). Free memory was 141.2 MB in the beginning and 259.1 MB in the end (delta: -117.9 MB). Peak memory consumption was 647.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:25,764 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 102.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 11:09:25,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3703.23 ms. Allocated memory was 176.7 MB in the beginning and 296.2 MB in the end (delta: 119.5 MB). Free memory was 141.2 MB in the beginning and 98.3 MB in the end (delta: 42.9 MB). Peak memory consumption was 162.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:25,766 INFO L168 Benchmark]: Boogie Preprocessor took 611.40 ms. Allocated memory was 296.2 MB in the beginning and 302.0 MB in the end (delta: 5.8 MB). Free memory was 98.3 MB in the beginning and 179.0 MB in the end (delta: -80.8 MB). Peak memory consumption was 66.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:25,767 INFO L168 Benchmark]: RCFGBuilder took 8973.59 ms. Allocated memory was 302.0 MB in the beginning and 602.9 MB in the end (delta: 300.9 MB). Free memory was 179.0 MB in the beginning and 239.4 MB in the end (delta: -60.3 MB). Peak memory consumption was 389.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:25,768 INFO L168 Benchmark]: Symbolic Interpretation took 6540.04 ms. Allocated memory was 602.9 MB in the beginning and 831.0 MB in the end (delta: 228.1 MB). Free memory was 239.4 MB in the beginning and 259.1 MB in the end (delta: -19.7 MB). Peak memory consumption was 319.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:25,773 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9285]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 117901#(and (= 13 ~a3~0) (= ~a14~0 5) (= ~a27~0 19) (= ~a10~0 1) (not (= ~a26~0 1)) (= 1 ~a2~0) (or (not (= ~a14~0 6)) (not (= ~a27~0 19)) (not (= ~a26~0 1)) (not (= ~a25~0 1)) (not (= 14 ~a3~0)) (not (= 1 ~a2~0)) (not (= ~a10~0 1))) (= ~a25~0 1)). 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 133.7 MB. Free memory is still 102.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3703.23 ms. Allocated memory was 176.7 MB in the beginning and 296.2 MB in the end (delta: 119.5 MB). Free memory was 141.2 MB in the beginning and 98.3 MB in the end (delta: 42.9 MB). Peak memory consumption was 162.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 611.40 ms. Allocated memory was 296.2 MB in the beginning and 302.0 MB in the end (delta: 5.8 MB). Free memory was 98.3 MB in the beginning and 179.0 MB in the end (delta: -80.8 MB). Peak memory consumption was 66.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8973.59 ms. Allocated memory was 302.0 MB in the beginning and 602.9 MB in the end (delta: 300.9 MB). Free memory was 179.0 MB in the beginning and 239.4 MB in the end (delta: -60.3 MB). Peak memory consumption was 389.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6540.04 ms. Allocated memory was 602.9 MB in the beginning and 831.0 MB in the end (delta: 228.1 MB). Free memory was 239.4 MB in the beginning and 259.1 MB in the end (delta: -19.7 MB). Peak memory consumption was 319.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...