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_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:46:46,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:46:46,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:46:46,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:46:46,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:46:46,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:46:46,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:46:46,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:46:46,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:46:46,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:46:46,318 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:46:46,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:46:46,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:46:46,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:46:46,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:46:46,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:46:46,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:46:46,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:46:46,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:46:46,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:46:46,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:46:46,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:46:46,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:46:46,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:46:46,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 14:46:46,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:46:46,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:46:46,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:46:46,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:46:46,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:46:46,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:46:46,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:46:46,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:46:46,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:46:46,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:46:46,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:46:46,368 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 14:46:46,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:46:46,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:46:46,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:46:46,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:46:46,392 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:46:46,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:46:46,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:46:46,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:46:46,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:46:46,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:46:46,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:46:46,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:46:46,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:46:46,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:46:46,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:46:46,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:46:46,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:46:46,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:46:46,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:46:46,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:46:46,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:46:46,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:46:46,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:46:46,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:46:46,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:46:46,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:46:46,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:46:46,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:46:46,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:46:46,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:46:46,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:46:46,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:46:46,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:46:46,473 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:46:46,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label07.c [2019-08-14 14:46:46,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7262d502a/9a02008042c940d5aa25923c7e928b3e/FLAG37fa6c84e [2019-08-14 14:46:47,115 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:46:47,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label07.c [2019-08-14 14:46:47,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7262d502a/9a02008042c940d5aa25923c7e928b3e/FLAG37fa6c84e [2019-08-14 14:46:47,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7262d502a/9a02008042c940d5aa25923c7e928b3e [2019-08-14 14:46:47,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:46:47,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:46:47,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:46:47,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:46:47,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:46:47,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:46:47" (1/1) ... [2019-08-14 14:46:47,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddd60fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:47, skipping insertion in model container [2019-08-14 14:46:47,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:46:47" (1/1) ... [2019-08-14 14:46:47,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:46:47,488 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:46:48,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:46:48,023 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:46:48,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:46:48,182 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:46:48,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48 WrapperNode [2019-08-14 14:46:48,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:46:48,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:46:48,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:46:48,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:46:48,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48" (1/1) ... [2019-08-14 14:46:48,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48" (1/1) ... [2019-08-14 14:46:48,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48" (1/1) ... [2019-08-14 14:46:48,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48" (1/1) ... [2019-08-14 14:46:48,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48" (1/1) ... [2019-08-14 14:46:48,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48" (1/1) ... [2019-08-14 14:46:48,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48" (1/1) ... [2019-08-14 14:46:48,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:46:48,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:46:48,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:46:48,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:46:48,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:46:48" (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 14:46:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:46:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:46:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:46:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:46:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:46:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:46:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:46:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:46:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:46:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:46:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:46:50,096 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:46:50,097 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:46:50,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:46:50 BoogieIcfgContainer [2019-08-14 14:46:50,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:46:50,099 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:46:50,099 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:46:50,099 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:46:50,100 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:46:50" (1/1) ... [2019-08-14 14:47:05,008 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 14:47:05,012 INFO L168 Benchmark]: Toolchain (without parser) took 17600.21 ms. Allocated memory was 129.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 83.1 MB in the beginning and 865.5 MB in the end (delta: -782.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-08-14 14:47:05,013 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 129.5 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 14:47:05,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.01 ms. Allocated memory was 129.5 MB in the beginning and 202.4 MB in the end (delta: 72.9 MB). Free memory was 82.9 MB in the beginning and 163.1 MB in the end (delta: -80.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2019-08-14 14:47:05,015 INFO L168 Benchmark]: Boogie Preprocessor took 154.69 ms. Allocated memory is still 202.4 MB. Free memory was 163.1 MB in the beginning and 157.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-14 14:47:05,016 INFO L168 Benchmark]: RCFGBuilder took 1756.78 ms. Allocated memory was 202.4 MB in the beginning and 218.6 MB in the end (delta: 16.3 MB). Free memory was 157.3 MB in the beginning and 154.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 95.3 MB. Max. memory is 7.1 GB. [2019-08-14 14:47:05,017 INFO L168 Benchmark]: Symbolic Interpretation took 14910.18 ms. Allocated memory was 218.6 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 154.8 MB in the beginning and 865.5 MB in the end (delta: -710.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-08-14 14:47:05,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 145]: 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 415823#(and (= ~a24~0 1) (= ~a15~0 5) (<= ~a12~0 11) (= ~a21~0 9) (< 0 (+ ~a12~0 43))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 129.5 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 775.01 ms. Allocated memory was 129.5 MB in the beginning and 202.4 MB in the end (delta: 72.9 MB). Free memory was 82.9 MB in the beginning and 163.1 MB in the end (delta: -80.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.69 ms. Allocated memory is still 202.4 MB. Free memory was 163.1 MB in the beginning and 157.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1756.78 ms. Allocated memory was 202.4 MB in the beginning and 218.6 MB in the end (delta: 16.3 MB). Free memory was 157.3 MB in the beginning and 154.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 95.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14910.18 ms. Allocated memory was 218.6 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 154.8 MB in the beginning and 865.5 MB in the end (delta: -710.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...