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/Problem18_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:01:06,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:01:06,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:01:06,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:01:06,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:01:06,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:01:06,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:01:06,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:01:06,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:01:06,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:01:06,216 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:01:06,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:01:06,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:01:06,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:01:06,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:01:06,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:01:06,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:01:06,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:01:06,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:01:06,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:01:06,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:01:06,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:01:06,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:01:06,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:01:06,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 18:01:06,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 18:01:06,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 18:01:06,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 18:01:06,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 18:01:06,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 18:01:06,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:01:06,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:01:06,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:01:06,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:01:06,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:01:06,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:01:06,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:01:06,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:01:06,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:01:06,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:01:06,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:01:06,253 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 18:01:06,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:01:06,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:01:06,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:01:06,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:01:06,269 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:01:06,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:01:06,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:01:06,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:01:06,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:01:06,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:01:06,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:01:06,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:01:06,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:01:06,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:01:06,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:01:06,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:01:06,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:01:06,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:01:06,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:01:06,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:01:06,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:01:06,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:01:06,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:01:06,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:01:06,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:01:06,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:01:06,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:01:06,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:01:06,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:01:06,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:01:06,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:01:06,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:01:06,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:01:06,326 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:01:06,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label16.c [2019-08-14 18:01:06,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb29e5fa/a760d2fab6fb4f50bcac58010ccb91d4/FLAGa39d7026d [2019-08-14 18:01:07,102 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:01:07,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label16.c [2019-08-14 18:01:07,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb29e5fa/a760d2fab6fb4f50bcac58010ccb91d4/FLAGa39d7026d [2019-08-14 18:01:07,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb29e5fa/a760d2fab6fb4f50bcac58010ccb91d4 [2019-08-14 18:01:07,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:01:07,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:01:07,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:01:07,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:01:07,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:01:07,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:01:07" (1/1) ... [2019-08-14 18:01:07,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1898b7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:07, skipping insertion in model container [2019-08-14 18:01:07,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:01:07" (1/1) ... [2019-08-14 18:01:07,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:01:07,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:01:08,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:01:08,516 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:01:08,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:01:08,931 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:01:08,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08 WrapperNode [2019-08-14 18:01:08,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:01:08,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:01:08,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:01:08,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:01:08,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08" (1/1) ... [2019-08-14 18:01:08,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08" (1/1) ... [2019-08-14 18:01:09,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08" (1/1) ... [2019-08-14 18:01:09,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08" (1/1) ... [2019-08-14 18:01:09,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08" (1/1) ... [2019-08-14 18:01:09,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08" (1/1) ... [2019-08-14 18:01:09,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08" (1/1) ... [2019-08-14 18:01:09,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:01:09,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:01:09,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:01:09,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:01:09,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:01:08" (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 18:01:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:01:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:01:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:01:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:01:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:01:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:01:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:01:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:01:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:01:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:01:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:01:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:01:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:01:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:01:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:01:13,225 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:01:13,225 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:01:13,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:01:13 BoogieIcfgContainer [2019-08-14 18:01:13,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:01:13,232 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:01:13,232 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:01:13,232 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:01:13,233 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:01:13" (1/1) ... [2019-08-14 18:01:52,557 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:01:52,562 INFO L168 Benchmark]: Toolchain (without parser) took 45368.98 ms. Allocated memory was 131.6 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 77.5 MB in the beginning and 864.5 MB in the end (delta: -787.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-14 18:01:52,564 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-14 18:01:52,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1739.67 ms. Allocated memory was 131.6 MB in the beginning and 232.3 MB in the end (delta: 100.7 MB). Free memory was 77.3 MB in the beginning and 146.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2019-08-14 18:01:52,566 INFO L168 Benchmark]: Boogie Preprocessor took 263.89 ms. Allocated memory is still 232.3 MB. Free memory was 146.6 MB in the beginning and 125.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-14 18:01:52,567 INFO L168 Benchmark]: RCFGBuilder took 4034.31 ms. Allocated memory was 232.3 MB in the beginning and 386.9 MB in the end (delta: 154.7 MB). Free memory was 125.5 MB in the beginning and 229.6 MB in the end (delta: -104.1 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2019-08-14 18:01:52,568 INFO L168 Benchmark]: Symbolic Interpretation took 39325.46 ms. Allocated memory was 386.9 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 229.6 MB in the beginning and 864.5 MB in the end (delta: -634.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-14 18:01:52,573 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 147]: 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 982064#(and (= ~a15~0 4) (< 417 ~a3~0) (= ~a18~0 10) (= ~a24~0 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1739.67 ms. Allocated memory was 131.6 MB in the beginning and 232.3 MB in the end (delta: 100.7 MB). Free memory was 77.3 MB in the beginning and 146.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 263.89 ms. Allocated memory is still 232.3 MB. Free memory was 146.6 MB in the beginning and 125.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4034.31 ms. Allocated memory was 232.3 MB in the beginning and 386.9 MB in the end (delta: 154.7 MB). Free memory was 125.5 MB in the beginning and 229.6 MB in the end (delta: -104.1 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 39325.46 ms. Allocated memory was 386.9 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 229.6 MB in the beginning and 864.5 MB in the end (delta: -634.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...