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_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:09:10,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:09:10,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:09:10,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:09:10,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:09:10,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:09:10,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:09:10,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:09:10,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:09:10,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:09:10,272 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:09:10,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:09:10,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:09:10,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:09:10,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:09:10,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:09:10,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:09:10,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:09:10,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:09:10,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:09:10,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:09:10,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:09:10,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:09:10,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:09:10,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 18:09:10,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 18:09:10,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 18:09:10,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 18:09:10,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 18:09:10,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 18:09:10,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:09:10,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:09:10,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:09:10,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:09:10,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:09:10,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:09:10,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:09:10,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:09:10,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:09:10,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:09:10,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:09:10,301 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 18:09:10,316 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:09:10,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:09:10,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:09:10,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:09:10,317 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:09:10,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:09:10,318 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:09:10,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:09:10,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:09:10,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:09:10,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:09:10,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:09:10,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:09:10,319 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:09:10,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:09:10,320 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:09:10,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:09:10,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:09:10,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:09:10,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:09:10,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:09:10,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:09:10,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:09:10,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:09:10,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:09:10,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:09:10,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:09:10,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:09:10,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:09:10,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:09:10,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:09:10,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:09:10,368 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:09:10,368 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:09:10,369 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label58.c [2019-08-14 18:09:10,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee0413ac/43f64aa537f9460b9af570417841aaa3/FLAG836434d1c [2019-08-14 18:09:11,163 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:09:11,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label58.c [2019-08-14 18:09:11,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee0413ac/43f64aa537f9460b9af570417841aaa3/FLAG836434d1c [2019-08-14 18:09:11,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee0413ac/43f64aa537f9460b9af570417841aaa3 [2019-08-14 18:09:11,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:09:11,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:09:11,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:09:11,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:09:11,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:09:11,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:09:11" (1/1) ... [2019-08-14 18:09:11,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66de86f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:11, skipping insertion in model container [2019-08-14 18:09:11,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:09:11" (1/1) ... [2019-08-14 18:09:11,353 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:09:11,489 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:09:12,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:09:12,563 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:09:13,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:09:13,138 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:09:13,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13 WrapperNode [2019-08-14 18:09:13,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:09:13,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:09:13,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:09:13,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:09:13,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13" (1/1) ... [2019-08-14 18:09:13,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13" (1/1) ... [2019-08-14 18:09:13,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13" (1/1) ... [2019-08-14 18:09:13,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13" (1/1) ... [2019-08-14 18:09:13,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13" (1/1) ... [2019-08-14 18:09:13,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13" (1/1) ... [2019-08-14 18:09:13,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13" (1/1) ... [2019-08-14 18:09:13,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:09:13,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:09:13,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:09:13,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:09:13,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:13" (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 18:09:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:09:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:09:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:09:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:09:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:09:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:09:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:09:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:09:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:09:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:09:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:09:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:09:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:09:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:09:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:09:17,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:09:17,220 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:09:17,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:09:17 BoogieIcfgContainer [2019-08-14 18:09:17,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:09:17,224 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:09:17,224 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:09:17,224 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:09:17,225 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:09:17" (1/1) ... [2019-08-14 18:09:57,012 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:09:57,015 INFO L168 Benchmark]: Toolchain (without parser) took 45676.28 ms. Allocated memory was 133.7 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 78.6 MB in the beginning and 349.3 MB in the end (delta: -270.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-14 18:09:57,016 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 18:09:57,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1801.26 ms. Allocated memory was 133.7 MB in the beginning and 227.0 MB in the end (delta: 93.3 MB). Free memory was 78.4 MB in the beginning and 107.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:57,019 INFO L168 Benchmark]: Boogie Preprocessor took 236.62 ms. Allocated memory is still 227.0 MB. Free memory was 107.0 MB in the beginning and 86.5 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:57,021 INFO L168 Benchmark]: RCFGBuilder took 3846.52 ms. Allocated memory was 227.0 MB in the beginning and 343.9 MB in the end (delta: 116.9 MB). Free memory was 86.5 MB in the beginning and 104.3 MB in the end (delta: -17.8 MB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:57,022 INFO L168 Benchmark]: Symbolic Interpretation took 39788.20 ms. Allocated memory was 343.9 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 104.3 MB in the beginning and 349.3 MB in the end (delta: -245.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-14 18:09:57,031 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 129]: 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 980160#(and (= ~a15~0 4) (< 417 ~a3~0) (= ~a18~0 12) (= ~a24~0 2)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1801.26 ms. Allocated memory was 133.7 MB in the beginning and 227.0 MB in the end (delta: 93.3 MB). Free memory was 78.4 MB in the beginning and 107.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 236.62 ms. Allocated memory is still 227.0 MB. Free memory was 107.0 MB in the beginning and 86.5 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3846.52 ms. Allocated memory was 227.0 MB in the beginning and 343.9 MB in the end (delta: 116.9 MB). Free memory was 86.5 MB in the beginning and 104.3 MB in the end (delta: -17.8 MB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 39788.20 ms. Allocated memory was 343.9 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 104.3 MB in the beginning and 349.3 MB in the end (delta: -245.1 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...