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_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:49:13,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:49:13,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:49:13,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:49:13,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:49:13,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:49:13,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:49:13,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:49:13,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:49:13,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:49:13,139 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:49:13,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:49:13,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:49:13,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:49:13,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:49:13,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:49:13,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:49:13,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:49:13,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:49:13,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:49:13,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:49:13,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:49:13,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:49:13,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:49:13,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:49:13,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:49:13,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:49:13,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:49:13,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:49:13,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:49:13,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:49:13,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:49:13,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:49:13,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:49:13,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:49:13,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:49:13,191 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 16:49:13,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:49:13,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:49:13,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:49:13,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:49:13,214 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:49:13,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:49:13,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:49:13,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:49:13,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:49:13,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:49:13,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:49:13,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:49:13,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:49:13,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:49:13,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:49:13,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:49:13,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:49:13,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:49:13,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:49:13,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:49:13,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:49:13,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:49:13,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:49:13,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:49:13,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:49:13,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:49:13,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:49:13,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:49:13,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:49:13,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:49:13,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:49:13,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:49:13,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:49:13,302 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:49:13,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label44.c [2019-08-09 16:49:13,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee78c5c8/b33cd33345a346c8a88a93955bedc802/FLAG3d9da7974 [2019-08-09 16:49:13,966 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:49:13,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label44.c [2019-08-09 16:49:13,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee78c5c8/b33cd33345a346c8a88a93955bedc802/FLAG3d9da7974 [2019-08-09 16:49:14,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee78c5c8/b33cd33345a346c8a88a93955bedc802 [2019-08-09 16:49:14,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:49:14,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:49:14,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:14,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:49:14,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:49:14,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:14" (1/1) ... [2019-08-09 16:49:14,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1958e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:14, skipping insertion in model container [2019-08-09 16:49:14,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:14" (1/1) ... [2019-08-09 16:49:14,270 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:49:14,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:49:14,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:14,967 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:49:15,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:15,086 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:49:15,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15 WrapperNode [2019-08-09 16:49:15,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:15,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:49:15,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:49:15,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:49:15,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15" (1/1) ... [2019-08-09 16:49:15,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15" (1/1) ... [2019-08-09 16:49:15,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15" (1/1) ... [2019-08-09 16:49:15,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15" (1/1) ... [2019-08-09 16:49:15,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15" (1/1) ... [2019-08-09 16:49:15,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15" (1/1) ... [2019-08-09 16:49:15,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15" (1/1) ... [2019-08-09 16:49:15,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:49:15,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:49:15,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:49:15,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:49:15,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:15" (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 16:49:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:49:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:49:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:49:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:49:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:49:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:49:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:49:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:49:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:49:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:49:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:49:16,646 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:49:16,646 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:49:16,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:16 BoogieIcfgContainer [2019-08-09 16:49:16,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:49:16,648 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:49:16,648 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:49:16,649 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:49:16,650 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:16" (1/1) ... [2019-08-09 16:49:18,191 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:49:18,201 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:49:18,204 INFO L168 Benchmark]: Toolchain (without parser) took 3955.41 ms. Allocated memory was 130.5 MB in the beginning and 276.8 MB in the end (delta: 146.3 MB). Free memory was 83.5 MB in the beginning and 166.2 MB in the end (delta: -82.7 MB). Peak memory consumption was 157.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:18,205 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:49:18,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.38 ms. Allocated memory was 130.5 MB in the beginning and 200.8 MB in the end (delta: 70.3 MB). Free memory was 83.3 MB in the beginning and 164.8 MB in the end (delta: -81.6 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:18,208 INFO L168 Benchmark]: Boogie Preprocessor took 111.18 ms. Allocated memory is still 200.8 MB. Free memory was 164.8 MB in the beginning and 159.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:18,211 INFO L168 Benchmark]: RCFGBuilder took 1448.95 ms. Allocated memory was 200.8 MB in the beginning and 220.2 MB in the end (delta: 19.4 MB). Free memory was 159.9 MB in the beginning and 177.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:18,212 INFO L168 Benchmark]: Symbolic Interpretation took 1552.73 ms. Allocated memory was 220.2 MB in the beginning and 276.8 MB in the end (delta: 56.6 MB). Free memory was 177.6 MB in the beginning and 166.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 161.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:18,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 428]: 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 26672#(and (not (= ~a20~0 1)) (= 13 ~a8~0) (= ~a16~0 4) (not (= 1 ~a7~0)) (= ~a12~0 8) (= ~a21~0 1) (not (= ~a17~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 838.38 ms. Allocated memory was 130.5 MB in the beginning and 200.8 MB in the end (delta: 70.3 MB). Free memory was 83.3 MB in the beginning and 164.8 MB in the end (delta: -81.6 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.18 ms. Allocated memory is still 200.8 MB. Free memory was 164.8 MB in the beginning and 159.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1448.95 ms. Allocated memory was 200.8 MB in the beginning and 220.2 MB in the end (delta: 19.4 MB). Free memory was 159.9 MB in the beginning and 177.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1552.73 ms. Allocated memory was 220.2 MB in the beginning and 276.8 MB in the end (delta: 56.6 MB). Free memory was 177.6 MB in the beginning and 166.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 161.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...