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_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:38:32,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:38:32,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:38:32,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:38:32,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:38:32,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:38:32,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:38:32,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:38:32,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:38:32,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:38:32,122 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:38:32,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:38:32,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:38:32,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:38:32,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:38:32,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:38:32,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:38:32,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:38:32,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:38:32,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:38:32,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:38:32,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:38:32,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:38:32,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:38:32,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 17:38:32,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 17:38:32,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 17:38:32,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 17:38:32,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 17:38:32,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 17:38:32,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:38:32,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:38:32,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:38:32,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:38:32,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:38:32,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:38:32,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:38:32,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:38:32,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:38:32,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:38:32,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:38:32,148 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 17:38:32,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:38:32,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:38:32,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:38:32,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:38:32,164 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:38:32,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:38:32,164 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:38:32,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:38:32,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:38:32,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:38:32,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:38:32,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:38:32,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:38:32,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:38:32,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:38:32,166 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:38:32,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:38:32,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:38:32,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:38:32,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:38:32,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:38:32,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:38:32,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:38:32,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:38:32,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:38:32,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:38:32,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:38:32,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:38:32,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:38:32,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:38:32,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:38:32,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:38:32,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:38:32,216 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:38:32,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label47.c [2019-08-09 17:38:32,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3893772dc/6862a92ae238477abbe0d0ab36d43808/FLAG5602f9e86 [2019-08-09 17:38:32,865 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:38:32,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label47.c [2019-08-09 17:38:32,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3893772dc/6862a92ae238477abbe0d0ab36d43808/FLAG5602f9e86 [2019-08-09 17:38:33,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3893772dc/6862a92ae238477abbe0d0ab36d43808 [2019-08-09 17:38:33,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:38:33,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:38:33,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:33,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:38:33,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:38:33,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:33,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bc990b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33, skipping insertion in model container [2019-08-09 17:38:33,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:33,153 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:38:33,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:38:33,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:33,633 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:38:33,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:33,918 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:38:33,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33 WrapperNode [2019-08-09 17:38:33,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:33,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:38:33,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:38:33,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:38:33,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:33,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:33,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:33,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:34,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:34,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:34,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33" (1/1) ... [2019-08-09 17:38:34,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:38:34,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:38:34,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:38:34,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:38:34,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:33" (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 17:38:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:38:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:38:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:38:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:38:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:38:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:38:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:38:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:38:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:38:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:38:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:38:35,661 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:38:35,662 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:38:35,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:35 BoogieIcfgContainer [2019-08-09 17:38:35,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:38:35,664 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:38:35,664 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:38:35,664 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:38:35,665 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:35" (1/1) ... [2019-08-09 17:38:55,538 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:38:55,546 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:38:55,549 INFO L168 Benchmark]: Toolchain (without parser) took 22414.92 ms. Allocated memory was 132.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 85.6 MB in the beginning and 125.4 MB in the end (delta: -39.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 17:38:55,551 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 17:38:55,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.27 ms. Allocated memory was 132.1 MB in the beginning and 202.9 MB in the end (delta: 70.8 MB). Free memory was 85.4 MB in the beginning and 167.5 MB in the end (delta: -82.1 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:55,553 INFO L168 Benchmark]: Boogie Preprocessor took 153.97 ms. Allocated memory is still 202.9 MB. Free memory was 167.5 MB in the beginning and 162.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:55,554 INFO L168 Benchmark]: RCFGBuilder took 1588.83 ms. Allocated memory was 202.9 MB in the beginning and 226.0 MB in the end (delta: 23.1 MB). Free memory was 162.8 MB in the beginning and 182.0 MB in the end (delta: -19.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:55,555 INFO L168 Benchmark]: Symbolic Interpretation took 19882.83 ms. Allocated memory was 226.0 MB in the beginning and 1.2 GB in the end (delta: 950.5 MB). Free memory was 182.0 MB in the beginning and 125.4 MB in the end (delta: 56.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 17:38:55,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 61]: 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 156800#(and (= ~a10~0 2) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 8) (<= (+ ~a1~0 13) 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.27 ms. Allocated memory was 132.1 MB in the beginning and 202.9 MB in the end (delta: 70.8 MB). Free memory was 85.4 MB in the beginning and 167.5 MB in the end (delta: -82.1 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.97 ms. Allocated memory is still 202.9 MB. Free memory was 167.5 MB in the beginning and 162.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1588.83 ms. Allocated memory was 202.9 MB in the beginning and 226.0 MB in the end (delta: 23.1 MB). Free memory was 162.8 MB in the beginning and 182.0 MB in the end (delta: -19.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 19882.83 ms. Allocated memory was 226.0 MB in the beginning and 1.2 GB in the end (delta: 950.5 MB). Free memory was 182.0 MB in the beginning and 125.4 MB in the end (delta: 56.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...