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/Problem03_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:04:26,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:04:26,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:04:26,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:04:26,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:04:26,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:04:26,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:04:26,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:04:26,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:04:26,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:04:26,486 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:04:26,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:04:26,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:04:26,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:04:26,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:04:26,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:04:26,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:04:26,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:04:26,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:04:26,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:04:26,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:04:26,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:04:26,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:04:26,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:04:26,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:04:26,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:04:26,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:04:26,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:04:26,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:04:26,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:04:26,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:04:26,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:04:26,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:04:26,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:04:26,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:04:26,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:04:26,515 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 11:04:26,532 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:04:26,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:04:26,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:04:26,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:04:26,534 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:04:26,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:04:26,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:04:26,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:04:26,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:04:26,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:04:26,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:04:26,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:04:26,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:04:26,536 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:04:26,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:04:26,536 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:04:26,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:04:26,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:04:26,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:04:26,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:04:26,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:04:26,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:04:26,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:04:26,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:04:26,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:04:26,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:04:26,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:04:26,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:04:26,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:04:26,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:04:26,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:04:26,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:04:26,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:04:26,585 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:04:26,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label50.c [2019-08-14 11:04:26,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed10b96b/41e8645e7e84422099b366818ae09ed9/FLAG9ac4bf72b [2019-08-14 11:04:27,361 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:04:27,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label50.c [2019-08-14 11:04:27,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed10b96b/41e8645e7e84422099b366818ae09ed9/FLAG9ac4bf72b [2019-08-14 11:04:27,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed10b96b/41e8645e7e84422099b366818ae09ed9 [2019-08-14 11:04:27,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:04:27,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:04:27,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:27,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:04:27,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:04:27,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:27" (1/1) ... [2019-08-14 11:04:27,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39356e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:27, skipping insertion in model container [2019-08-14 11:04:27,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:27" (1/1) ... [2019-08-14 11:04:27,530 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:04:27,625 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:04:28,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:28,399 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:04:28,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:28,938 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:04:28,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28 WrapperNode [2019-08-14 11:04:28,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:28,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:04:28,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:04:28,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:04:28,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:28,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:29,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:29,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:29,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:29,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:29,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:29,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:04:29,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:04:29,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:04:29,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:04:29,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28" (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 11:04:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:04:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:04:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:04:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:04:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:04:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:04:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:04:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:04:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:04:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:04:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:04:31,318 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:04:31,321 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:04:31,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:31 BoogieIcfgContainer [2019-08-14 11:04:31,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:04:31,324 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:04:31,324 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:04:31,325 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:04:31,326 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:31" (1/1) ... [2019-08-14 11:04:35,275 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:04:35,278 INFO L168 Benchmark]: Toolchain (without parser) took 7765.08 ms. Allocated memory was 138.4 MB in the beginning and 446.2 MB in the end (delta: 307.8 MB). Free memory was 79.8 MB in the beginning and 359.3 MB in the end (delta: -279.5 MB). Peak memory consumption was 329.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,279 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1427.08 ms. Allocated memory was 138.4 MB in the beginning and 221.8 MB in the end (delta: 83.4 MB). Free memory was 79.6 MB in the beginning and 170.1 MB in the end (delta: -90.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,281 INFO L168 Benchmark]: Boogie Preprocessor took 168.04 ms. Allocated memory is still 221.8 MB. Free memory was 170.1 MB in the beginning and 158.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,282 INFO L168 Benchmark]: RCFGBuilder took 2214.86 ms. Allocated memory was 221.8 MB in the beginning and 277.9 MB in the end (delta: 56.1 MB). Free memory was 158.3 MB in the beginning and 79.4 MB in the end (delta: 78.8 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,283 INFO L168 Benchmark]: Symbolic Interpretation took 3951.31 ms. Allocated memory was 277.9 MB in the beginning and 446.2 MB in the end (delta: 168.3 MB). Free memory was 79.4 MB in the beginning and 359.3 MB in the end (delta: -279.8 MB). Peak memory consumption was 189.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1497]: 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 60065#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= 1 ~a6~0) (= ~a12~0 1) (not (= ~a27~0 1)) (not (= ~a11~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1427.08 ms. Allocated memory was 138.4 MB in the beginning and 221.8 MB in the end (delta: 83.4 MB). Free memory was 79.6 MB in the beginning and 170.1 MB in the end (delta: -90.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.04 ms. Allocated memory is still 221.8 MB. Free memory was 170.1 MB in the beginning and 158.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2214.86 ms. Allocated memory was 221.8 MB in the beginning and 277.9 MB in the end (delta: 56.1 MB). Free memory was 158.3 MB in the beginning and 79.4 MB in the end (delta: 78.8 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3951.31 ms. Allocated memory was 277.9 MB in the beginning and 446.2 MB in the end (delta: 168.3 MB). Free memory was 79.4 MB in the beginning and 359.3 MB in the end (delta: -279.8 MB). Peak memory consumption was 189.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...