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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:02:03,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:02:03,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:02:03,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:02:03,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:02:03,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:02:03,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:02:03,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:02:03,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:02:03,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:02:03,213 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:02:03,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:02:03,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:02:03,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:02:03,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:02:03,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:02:03,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:02:03,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:02:03,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:02:03,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:02:03,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:02:03,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:02:03,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:02:03,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:02:03,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 18:02:03,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:02:03,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:02:03,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:02:03,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:02:03,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:02:03,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:02:03,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:02:03,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:02:03,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:02:03,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:02:03,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:02:03,240 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 18:02:03,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:02:03,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:02:03,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:02:03,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:02:03,256 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:02:03,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:02:03,258 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:02:03,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:02:03,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:02:03,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:02:03,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:02:03,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:02:03,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:02:03,259 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:02:03,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:02:03,260 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:02:03,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:02:03,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:02:03,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:02:03,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:02:03,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:02:03,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:02:03,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:02:03,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:02:03,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:02:03,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:02:03,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:02:03,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:02:03,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:02:03,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:02:03,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:02:03,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:02:03,317 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:02:03,318 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:02:03,319 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label19.c [2019-08-14 18:02:03,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67b527bdd/2f82ebc1c7eb423b962b2bb1eb2e9cc0/FLAG518a06cda [2019-08-14 18:02:04,097 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:02:04,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label19.c [2019-08-14 18:02:04,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67b527bdd/2f82ebc1c7eb423b962b2bb1eb2e9cc0/FLAG518a06cda [2019-08-14 18:02:04,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67b527bdd/2f82ebc1c7eb423b962b2bb1eb2e9cc0 [2019-08-14 18:02:04,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:02:04,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:02:04,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:02:04,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:02:04,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:02:04,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:02:04" (1/1) ... [2019-08-14 18:02:04,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5eda93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:04, skipping insertion in model container [2019-08-14 18:02:04,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:02:04" (1/1) ... [2019-08-14 18:02:04,260 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:02:04,411 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:02:05,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:02:05,652 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:02:06,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:02:06,135 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:02:06,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06 WrapperNode [2019-08-14 18:02:06,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:02:06,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:02:06,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:02:06,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:02:06,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06" (1/1) ... [2019-08-14 18:02:06,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06" (1/1) ... [2019-08-14 18:02:06,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06" (1/1) ... [2019-08-14 18:02:06,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06" (1/1) ... [2019-08-14 18:02:06,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06" (1/1) ... [2019-08-14 18:02:06,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06" (1/1) ... [2019-08-14 18:02:06,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06" (1/1) ... [2019-08-14 18:02:06,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:02:06,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:02:06,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:02:06,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:02:06,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:02:06" (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 18:02:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:02:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:02:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:02:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:02:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:02:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:02:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:02:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:02:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:02:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:02:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:02:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:02:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:02:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:02:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:02:10,396 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:02:10,397 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:02:10,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:02:10 BoogieIcfgContainer [2019-08-14 18:02:10,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:02:10,400 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:02:10,400 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:02:10,400 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:02:10,401 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:02:10" (1/1) ... [2019-08-14 18:02:46,609 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:02:46,612 INFO L168 Benchmark]: Toolchain (without parser) took 42369.77 ms. Allocated memory was 132.6 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 78.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-08-14 18:02:46,613 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 18:02:46,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1893.44 ms. Allocated memory was 132.6 MB in the beginning and 223.9 MB in the end (delta: 91.2 MB). Free memory was 77.8 MB in the beginning and 104.5 MB in the end (delta: -26.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 7.1 GB. [2019-08-14 18:02:46,615 INFO L168 Benchmark]: Boogie Preprocessor took 249.93 ms. Allocated memory is still 223.9 MB. Free memory was 104.5 MB in the beginning and 83.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-08-14 18:02:46,616 INFO L168 Benchmark]: RCFGBuilder took 4012.68 ms. Allocated memory was 223.9 MB in the beginning and 357.0 MB in the end (delta: 133.2 MB). Free memory was 83.5 MB in the beginning and 129.5 MB in the end (delta: -45.9 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-08-14 18:02:46,620 INFO L168 Benchmark]: Symbolic Interpretation took 36209.69 ms. Allocated memory was 357.0 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 129.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-14 18:02:46,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 36]: 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 979257#(and (= ~a15~0 4) (or (not (= ~a15~0 4)) (not (= ~a24~0 1)) (not (< 417 ~a3~0)) (not (= ~a18~0 8))) (<= ~a3~0 115) (= ~a24~0 1) (or (not (= ~a18~0 11)) (not (= ~a24~0 2)) (not (= ~a15~0 4)) (not (< 417 ~a3~0))) (= ~a18~0 8)). 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 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1893.44 ms. Allocated memory was 132.6 MB in the beginning and 223.9 MB in the end (delta: 91.2 MB). Free memory was 77.8 MB in the beginning and 104.5 MB in the end (delta: -26.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 249.93 ms. Allocated memory is still 223.9 MB. Free memory was 104.5 MB in the beginning and 83.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4012.68 ms. Allocated memory was 223.9 MB in the beginning and 357.0 MB in the end (delta: 133.2 MB). Free memory was 83.5 MB in the beginning and 129.5 MB in the end (delta: -45.9 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 36209.69 ms. Allocated memory was 357.0 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 129.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...