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/Problem04_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:55:04,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:55:04,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:55:04,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:55:04,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:55:04,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:55:04,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:55:04,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:55:04,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:55:04,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:55:04,862 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:55:04,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:55:04,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:55:04,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:55:04,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:55:04,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:55:04,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:55:04,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:55:04,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:55:04,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:55:04,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:55:04,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:55:04,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:55:04,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:55:04,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:55:04,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:55:04,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:55:04,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:55:04,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:55:04,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:55:04,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:55:04,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:55:04,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:55:04,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:55:04,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:55:04,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:55:04,889 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 16:55:04,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:55:04,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:55:04,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:55:04,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:55:04,906 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:55:04,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:55:04,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:55:04,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:55:04,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:55:04,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:55:04,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:55:04,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:55:04,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:55:04,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:55:04,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:55:04,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:55:04,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:55:04,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:55:04,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:55:04,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:55:04,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:55:04,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:55:04,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:55:04,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:55:04,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:55:04,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:55:04,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:55:04,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:55:04,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:55:04,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:55:04,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:55:04,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:55:04,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:55:04,958 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:55:04,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label58.c [2019-08-09 16:55:05,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f095077b/c1cc2394bd134552ac78c2b434294fe5/FLAGebe08fa1b [2019-08-09 16:55:05,752 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:55:05,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label58.c [2019-08-09 16:55:05,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f095077b/c1cc2394bd134552ac78c2b434294fe5/FLAGebe08fa1b [2019-08-09 16:55:06,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f095077b/c1cc2394bd134552ac78c2b434294fe5 [2019-08-09 16:55:06,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:55:06,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:55:06,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:55:06,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:55:06,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:55:06,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:55:06" (1/1) ... [2019-08-09 16:55:06,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d034b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:06, skipping insertion in model container [2019-08-09 16:55:06,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:55:06" (1/1) ... [2019-08-09 16:55:06,321 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:55:06,488 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:55:08,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:55:08,243 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:55:09,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:55:09,119 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:55:09,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09 WrapperNode [2019-08-09 16:55:09,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:55:09,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:55:09,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:55:09,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:55:09,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09" (1/1) ... [2019-08-09 16:55:09,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09" (1/1) ... [2019-08-09 16:55:09,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09" (1/1) ... [2019-08-09 16:55:09,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09" (1/1) ... [2019-08-09 16:55:09,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09" (1/1) ... [2019-08-09 16:55:09,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09" (1/1) ... [2019-08-09 16:55:09,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09" (1/1) ... [2019-08-09 16:55:09,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:55:09,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:55:09,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:55:09,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:55:09,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:55:09" (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 [2019-08-09 16:55:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:55:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:55:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:55:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:55:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:55:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:55:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:55:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:55:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:55:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:55:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:55:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:55:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:55:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:55:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:55:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:55:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:55:14,442 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:55:14,442 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:55:14,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:55:14 BoogieIcfgContainer [2019-08-09 16:55:14,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:55:14,448 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:55:14,449 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:55:14,449 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:55:14,450 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:55:14" (1/1) ... [2019-08-09 16:55:19,143 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:55:19,151 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:55:19,154 INFO L168 Benchmark]: Toolchain (without parser) took 12847.85 ms. Allocated memory was 131.1 MB in the beginning and 592.4 MB in the end (delta: 461.4 MB). Free memory was 71.8 MB in the beginning and 482.8 MB in the end (delta: -411.0 MB). Peak memory consumption was 467.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:19,155 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 16:55:19,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2814.51 ms. Allocated memory was 131.1 MB in the beginning and 243.3 MB in the end (delta: 112.2 MB). Free memory was 71.4 MB in the beginning and 123.4 MB in the end (delta: -51.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:19,157 INFO L168 Benchmark]: Boogie Preprocessor took 333.63 ms. Allocated memory is still 243.3 MB. Free memory was 123.4 MB in the beginning and 94.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:19,158 INFO L168 Benchmark]: RCFGBuilder took 4993.02 ms. Allocated memory was 243.3 MB in the beginning and 409.5 MB in the end (delta: 166.2 MB). Free memory was 94.2 MB in the beginning and 217.4 MB in the end (delta: -123.2 MB). Peak memory consumption was 198.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:19,159 INFO L168 Benchmark]: Symbolic Interpretation took 4702.92 ms. Allocated memory was 409.5 MB in the beginning and 592.4 MB in the end (delta: 183.0 MB). Free memory was 217.4 MB in the beginning and 482.8 MB in the end (delta: -265.4 MB). Peak memory consumption was 335.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:19,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4643]: 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 64923#(and (= ~a14~0 18) (= 1 ~a1~0) (= ~a26~0 19) (= 1 ~a3~0) (not (= 1 ~a7~0)) (= ~a25~0 1) (= ~a28~0 15) (= 17 ~a4~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2814.51 ms. Allocated memory was 131.1 MB in the beginning and 243.3 MB in the end (delta: 112.2 MB). Free memory was 71.4 MB in the beginning and 123.4 MB in the end (delta: -51.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 333.63 ms. Allocated memory is still 243.3 MB. Free memory was 123.4 MB in the beginning and 94.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4993.02 ms. Allocated memory was 243.3 MB in the beginning and 409.5 MB in the end (delta: 166.2 MB). Free memory was 94.2 MB in the beginning and 217.4 MB in the end (delta: -123.2 MB). Peak memory consumption was 198.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4702.92 ms. Allocated memory was 409.5 MB in the beginning and 592.4 MB in the end (delta: 183.0 MB). Free memory was 217.4 MB in the beginning and 482.8 MB in the end (delta: -265.4 MB). Peak memory consumption was 335.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...