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/Problem14_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:46:17,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:46:17,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:46:17,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:46:17,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:46:17,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:46:17,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:46:17,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:46:17,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:46:17,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:46:17,218 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:46:17,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:46:17,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:46:17,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:46:17,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:46:17,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:46:17,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:46:17,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:46:17,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:46:17,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:46:17,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:46:17,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:46:17,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:46:17,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:46:17,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 14:46:17,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:46:17,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:46:17,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:46:17,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:46:17,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:46:17,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:46:17,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:46:17,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:46:17,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:46:17,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:46:17,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:46:17,262 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 14:46:17,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:46:17,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:46:17,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:46:17,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:46:17,298 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:46:17,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:46:17,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:46:17,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:46:17,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:46:17,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:46:17,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:46:17,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:46:17,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:46:17,303 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:46:17,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:46:17,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:46:17,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:46:17,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:46:17,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:46:17,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:46:17,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:46:17,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:46:17,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:46:17,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:46:17,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:46:17,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:46:17,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:46:17,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:46:17,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:46:17,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:46:17,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:46:17,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:46:17,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:46:17,362 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:46:17,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label04.c [2019-08-14 14:46:17,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b6768e4/4f9afbaaa1aa469bad876a5e848ab122/FLAGf2ceeec2b [2019-08-14 14:46:17,894 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:46:17,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label04.c [2019-08-14 14:46:17,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b6768e4/4f9afbaaa1aa469bad876a5e848ab122/FLAGf2ceeec2b [2019-08-14 14:46:18,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b6768e4/4f9afbaaa1aa469bad876a5e848ab122 [2019-08-14 14:46:18,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:46:18,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:46:18,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:46:18,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:46:18,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:46:18,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:46:18" (1/1) ... [2019-08-14 14:46:18,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a4f48f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:18, skipping insertion in model container [2019-08-14 14:46:18,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:46:18" (1/1) ... [2019-08-14 14:46:18,257 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:46:18,329 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:46:18,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:46:18,999 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:46:19,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:46:19,187 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:46:19,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19 WrapperNode [2019-08-14 14:46:19,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:46:19,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:46:19,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:46:19,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:46:19,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19" (1/1) ... [2019-08-14 14:46:19,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19" (1/1) ... [2019-08-14 14:46:19,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19" (1/1) ... [2019-08-14 14:46:19,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19" (1/1) ... [2019-08-14 14:46:19,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19" (1/1) ... [2019-08-14 14:46:19,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19" (1/1) ... [2019-08-14 14:46:19,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19" (1/1) ... [2019-08-14 14:46:19,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:46:19,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:46:19,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:46:19,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:46:19,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:19" (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 14:46:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:46:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:46:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:46:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:46:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:46:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:46:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:46:21,121 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:46:21,121 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:46:21,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:46:21 BoogieIcfgContainer [2019-08-14 14:46:21,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:46:21,123 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:46:21,123 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:46:21,124 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:46:21,125 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:46:21" (1/1) ... [2019-08-14 14:46:34,854 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 14:46:34,858 INFO L168 Benchmark]: Toolchain (without parser) took 16615.35 ms. Allocated memory was 136.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 82.6 MB in the beginning and 810.0 MB in the end (delta: -727.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 14:46:34,860 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-14 14:46:34,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.10 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 82.4 MB in the beginning and 163.8 MB in the end (delta: -81.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2019-08-14 14:46:34,862 INFO L168 Benchmark]: Boogie Preprocessor took 147.35 ms. Allocated memory is still 201.3 MB. Free memory was 163.8 MB in the beginning and 158.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-14 14:46:34,865 INFO L168 Benchmark]: RCFGBuilder took 1786.58 ms. Allocated memory was 201.3 MB in the beginning and 218.6 MB in the end (delta: 17.3 MB). Free memory was 158.0 MB in the beginning and 154.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. [2019-08-14 14:46:34,866 INFO L168 Benchmark]: Symbolic Interpretation took 13731.59 ms. Allocated memory was 218.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 154.8 MB in the beginning and 810.0 MB in the end (delta: -655.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 14:46:34,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 160]: 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 416852#(and (= ~a21~0 6) (= ~a24~0 1) (= ~a15~0 5) (<= ~a12~0 11) (< 0 (+ ~a12~0 43))). 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 136.8 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 946.10 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 82.4 MB in the beginning and 163.8 MB in the end (delta: -81.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.35 ms. Allocated memory is still 201.3 MB. Free memory was 163.8 MB in the beginning and 158.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1786.58 ms. Allocated memory was 201.3 MB in the beginning and 218.6 MB in the end (delta: 17.3 MB). Free memory was 158.0 MB in the beginning and 154.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 13731.59 ms. Allocated memory was 218.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 154.8 MB in the beginning and 810.0 MB in the end (delta: -655.2 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...