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/Problem04_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:06:20,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:06:20,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:06:20,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:06:20,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:06:20,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:06:20,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:06:20,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:06:20,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:06:20,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:06:20,406 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:06:20,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:06:20,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:06:20,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:06:20,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:06:20,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:06:20,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:06:20,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:06:20,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:06:20,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:06:20,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:06:20,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:06:20,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:06:20,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:06:20,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:06:20,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:06:20,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:06:20,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:06:20,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:06:20,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:06:20,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:06:20,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:06:20,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:06:20,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:06:20,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:06:20,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:06:20,433 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 11:06:20,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:06:20,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:06:20,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:06:20,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:06:20,450 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:06:20,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:06:20,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:06:20,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:06:20,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:06:20,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:06:20,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:06:20,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:06:20,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:06:20,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:06:20,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:06:20,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:06:20,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:06:20,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:06:20,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:06:20,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:06:20,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:06:20,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:06:20,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:06:20,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:06:20,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:06:20,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:06:20,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:06:20,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:06:20,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:06:20,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:06:20,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:06:20,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:06:20,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:06:20,503 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:06:20,503 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label58.c [2019-08-14 11:06:20,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149b842e5/6a804507768141e494a6145cdf5b36eb/FLAG5bf8f8724 [2019-08-14 11:06:21,363 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:06:21,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label58.c [2019-08-14 11:06:21,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149b842e5/6a804507768141e494a6145cdf5b36eb/FLAG5bf8f8724 [2019-08-14 11:06:21,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149b842e5/6a804507768141e494a6145cdf5b36eb [2019-08-14 11:06:21,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:06:21,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:06:21,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:06:21,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:06:21,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:06:21,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:06:21" (1/1) ... [2019-08-14 11:06:21,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69485c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:21, skipping insertion in model container [2019-08-14 11:06:21,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:06:21" (1/1) ... [2019-08-14 11:06:21,461 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:06:21,617 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:06:23,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:06:23,328 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:06:23,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:06:24,015 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:06:24,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24 WrapperNode [2019-08-14 11:06:24,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:06:24,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:06:24,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:06:24,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:06:24,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24" (1/1) ... [2019-08-14 11:06:24,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24" (1/1) ... [2019-08-14 11:06:24,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24" (1/1) ... [2019-08-14 11:06:24,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24" (1/1) ... [2019-08-14 11:06:24,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24" (1/1) ... [2019-08-14 11:06:24,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24" (1/1) ... [2019-08-14 11:06:24,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24" (1/1) ... [2019-08-14 11:06:24,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:06:24,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:06:24,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:06:24,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:06:24,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:24" (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 11:06:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:06:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:06:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:06:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:06:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:06:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:06:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:06:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:06:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:06:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:06:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:06:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:06:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:06:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:06:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:06:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:06:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:06:29,312 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:06:29,312 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:06:29,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:06:29 BoogieIcfgContainer [2019-08-14 11:06:29,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:06:29,316 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:06:29,316 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:06:29,316 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:06:29,317 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:06:29" (1/1) ... [2019-08-14 11:06:34,628 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:06:34,631 INFO L168 Benchmark]: Toolchain (without parser) took 13185.75 ms. Allocated memory was 131.6 MB in the beginning and 584.1 MB in the end (delta: 452.5 MB). Free memory was 71.9 MB in the beginning and 222.1 MB in the end (delta: -150.1 MB). Peak memory consumption was 476.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:34,632 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:06:34,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2571.95 ms. Allocated memory was 131.6 MB in the beginning and 245.4 MB in the end (delta: 113.8 MB). Free memory was 71.7 MB in the beginning and 125.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:34,634 INFO L168 Benchmark]: Boogie Preprocessor took 380.98 ms. Allocated memory is still 245.4 MB. Free memory was 125.7 MB in the beginning and 94.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:34,635 INFO L168 Benchmark]: RCFGBuilder took 4916.25 ms. Allocated memory was 245.4 MB in the beginning and 401.1 MB in the end (delta: 155.7 MB). Free memory was 94.5 MB in the beginning and 199.4 MB in the end (delta: -104.8 MB). Peak memory consumption was 166.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:34,636 INFO L168 Benchmark]: Symbolic Interpretation took 5312.42 ms. Allocated memory was 401.1 MB in the beginning and 584.1 MB in the end (delta: 183.0 MB). Free memory was 199.4 MB in the beginning and 222.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 334.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:34,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4643]: 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 64918#(and (= ~a14~0 18) (= 1 ~a1~0) (= ~a26~0 19) (= 1 ~a3~0) (not (= 1 ~a7~0)) (= ~a25~0 1) (= ~a28~0 15) (= 17 ~a4~0)). 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 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2571.95 ms. Allocated memory was 131.6 MB in the beginning and 245.4 MB in the end (delta: 113.8 MB). Free memory was 71.7 MB in the beginning and 125.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 380.98 ms. Allocated memory is still 245.4 MB. Free memory was 125.7 MB in the beginning and 94.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4916.25 ms. Allocated memory was 245.4 MB in the beginning and 401.1 MB in the end (delta: 155.7 MB). Free memory was 94.5 MB in the beginning and 199.4 MB in the end (delta: -104.8 MB). Peak memory consumption was 166.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5312.42 ms. Allocated memory was 401.1 MB in the beginning and 584.1 MB in the end (delta: 183.0 MB). Free memory was 199.4 MB in the beginning and 222.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 334.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...