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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:52:30,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:52:30,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:52:30,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:52:30,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:52:30,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:52:30,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:52:30,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:52:30,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:52:30,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:52:30,252 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:52:30,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:52:30,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:52:30,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:52:30,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:52:30,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:52:30,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:52:30,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:52:30,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:52:30,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:52:30,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:52:30,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:52:30,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:52:30,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:52:30,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 14:52:30,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:52:30,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:52:30,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:52:30,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:52:30,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:52:30,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:52:30,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:52:30,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:52:30,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:52:30,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:52:30,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:52:30,279 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 14:52:30,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:52:30,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:52:30,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:52:30,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:52:30,294 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:52:30,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:52:30,295 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:52:30,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:52:30,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:52:30,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:52:30,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:52:30,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:52:30,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:52:30,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:52:30,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:52:30,296 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:52:30,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:52:30,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:52:30,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:52:30,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:52:30,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:52:30,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:52:30,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:52:30,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:52:30,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:52:30,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:52:30,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:52:30,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:52:30,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:52:30,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:52:30,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:52:30,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:52:30,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:52:30,359 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:52:30,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label39.c [2019-08-14 14:52:30,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e583ed4/c3844277bc3a4dcfadf37d744d39acb1/FLAGacec8d972 [2019-08-14 14:52:30,981 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:52:30,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label39.c [2019-08-14 14:52:30,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e583ed4/c3844277bc3a4dcfadf37d744d39acb1/FLAGacec8d972 [2019-08-14 14:52:31,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e583ed4/c3844277bc3a4dcfadf37d744d39acb1 [2019-08-14 14:52:31,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:52:31,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:52:31,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:52:31,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:52:31,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:52:31,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:52:31" (1/1) ... [2019-08-14 14:52:31,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65790bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:31, skipping insertion in model container [2019-08-14 14:52:31,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:52:31" (1/1) ... [2019-08-14 14:52:31,276 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:52:31,331 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:52:31,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:52:31,969 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:52:32,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:52:32,102 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:52:32,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32 WrapperNode [2019-08-14 14:52:32,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:52:32,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:52:32,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:52:32,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:52:32,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32" (1/1) ... [2019-08-14 14:52:32,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32" (1/1) ... [2019-08-14 14:52:32,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32" (1/1) ... [2019-08-14 14:52:32,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32" (1/1) ... [2019-08-14 14:52:32,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32" (1/1) ... [2019-08-14 14:52:32,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32" (1/1) ... [2019-08-14 14:52:32,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32" (1/1) ... [2019-08-14 14:52:32,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:52:32,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:52:32,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:52:32,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:52:32,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:52:32" (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 14:52:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:52:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:52:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:52:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:52:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:52:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:52:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:52:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:52:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:52:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:52:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:52:33,743 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:52:33,744 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:52:33,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:52:33 BoogieIcfgContainer [2019-08-14 14:52:33,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:52:33,746 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:52:33,746 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:52:33,746 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:52:33,747 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:52:33" (1/1) ... [2019-08-14 14:52:49,454 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 14:52:49,457 INFO L168 Benchmark]: Toolchain (without parser) took 18196.84 ms. Allocated memory was 140.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 84.6 MB in the beginning and 594.8 MB in the end (delta: -510.1 MB). Peak memory consumption was 959.9 MB. Max. memory is 7.1 GB. [2019-08-14 14:52:49,460 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 14:52:49,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.75 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 84.4 MB in the beginning and 166.8 MB in the end (delta: -82.4 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2019-08-14 14:52:49,463 INFO L168 Benchmark]: Boogie Preprocessor took 128.62 ms. Allocated memory is still 204.5 MB. Free memory was 166.8 MB in the beginning and 161.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-14 14:52:49,465 INFO L168 Benchmark]: RCFGBuilder took 1512.86 ms. Allocated memory was 204.5 MB in the beginning and 229.1 MB in the end (delta: 24.6 MB). Free memory was 161.4 MB in the beginning and 158.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-08-14 14:52:49,466 INFO L168 Benchmark]: Symbolic Interpretation took 15708.16 ms. Allocated memory was 229.1 MB in the beginning and 1.2 GB in the end (delta: 938.5 MB). Free memory was 158.8 MB in the beginning and 594.8 MB in the end (delta: -436.0 MB). Peak memory consumption was 944.9 MB. Max. memory is 7.1 GB. [2019-08-14 14:52:49,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 79]: 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 409472#(and (= ~a21~0 6) (<= (+ ~a12~0 43) 0) (= ~a15~0 7) (= ~a24~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 842.75 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 84.4 MB in the beginning and 166.8 MB in the end (delta: -82.4 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.62 ms. Allocated memory is still 204.5 MB. Free memory was 166.8 MB in the beginning and 161.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1512.86 ms. Allocated memory was 204.5 MB in the beginning and 229.1 MB in the end (delta: 24.6 MB). Free memory was 161.4 MB in the beginning and 158.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15708.16 ms. Allocated memory was 229.1 MB in the beginning and 1.2 GB in the end (delta: 938.5 MB). Free memory was 158.8 MB in the beginning and 594.8 MB in the end (delta: -436.0 MB). Peak memory consumption was 944.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...