./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 02:03:18,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:03:18,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:03:18,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:03:18,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:03:18,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:03:18,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:03:18,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:03:18,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:03:18,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:03:18,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:03:18,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:03:18,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:03:18,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:03:18,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:03:18,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:03:18,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:03:18,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:03:18,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:03:18,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:03:18,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:03:18,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:03:18,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:03:18,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:03:18,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:03:18,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:03:18,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:03:18,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:03:18,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:03:18,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:03:18,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:03:18,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:03:18,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:03:18,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:03:18,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:03:18,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:03:18,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:03:18,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:03:18,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:03:18,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:03:18,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:03:18,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:03:18,488 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:03:18,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:03:18,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:03:18,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:03:18,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:03:18,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:03:18,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:03:18,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:03:18,491 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:03:18,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:03:18,491 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:03:18,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:03:18,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:03:18,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:03:18,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:03:18,492 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:03:18,493 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:03:18,493 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:03:18,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:03:18,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:03:18,494 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:03:18,494 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:03:18,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:03:18,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:03:18,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:03:18,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:18,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:03:18,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:03:18,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:03:18,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:03:18,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:03:18,496 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:03:18,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:03:18,497 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:03:18,497 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:03:18,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:03:18,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:03:18,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:03:18,848 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:03:18,848 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:03:18,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c [2023-08-30 02:03:20,023 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:03:20,224 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:03:20,225 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c [2023-08-30 02:03:20,231 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3818b25b/c1fa515bec1f47a6b4e52a2d4fc69407/FLAG09164fa5d [2023-08-30 02:03:20,243 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3818b25b/c1fa515bec1f47a6b4e52a2d4fc69407 [2023-08-30 02:03:20,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:03:20,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:03:20,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:20,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:03:20,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:03:20,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1ed58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20, skipping insertion in model container [2023-08-30 02:03:20,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:03:20,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:03:20,421 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c[2330,2343] [2023-08-30 02:03:20,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:20,444 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:03:20,479 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c[2330,2343] [2023-08-30 02:03:20,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:20,496 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:03:20,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20 WrapperNode [2023-08-30 02:03:20,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:20,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:20,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:03:20,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:03:20,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,552 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 169 [2023-08-30 02:03:20,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:20,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:03:20,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:03:20,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:03:20,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:03:20,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:03:20,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:03:20,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:03:20,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (1/1) ... [2023-08-30 02:03:20,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:20,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:03:20,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 02:03:20,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 02:03:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:03:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:03:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:03:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:03:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:03:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:03:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:03:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:03:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:03:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:03:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:03:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:03:20,689 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:03:20,791 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:20,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:21,153 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:21,162 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:21,162 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 02:03:21,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:21 BoogieIcfgContainer [2023-08-30 02:03:21,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:21,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:21,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:21,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:21,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:03:20" (1/3) ... [2023-08-30 02:03:21,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c898c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:21, skipping insertion in model container [2023-08-30 02:03:21,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:20" (2/3) ... [2023-08-30 02:03:21,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c898c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:21, skipping insertion in model container [2023-08-30 02:03:21,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:21" (3/3) ... [2023-08-30 02:03:21,171 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2023-08-30 02:03:21,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:21,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 02:03:21,198 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:21,343 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:03:21,354 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 02:03:21,360 INFO L158 Benchmark]: Toolchain (without parser) took 1112.52ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 40.3MB in the end (delta: 6.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-08-30 02:03:21,361 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:21,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.17ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 35.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 02:03:21,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.24ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 32.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:21,363 INFO L158 Benchmark]: Boogie Preprocessor took 51.70ms. Allocated memory is still 69.2MB. Free memory was 32.9MB in the beginning and 31.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:21,364 INFO L158 Benchmark]: RCFGBuilder took 558.23ms. Allocated memory is still 69.2MB. Free memory was 31.4MB in the beginning and 32.1MB in the end (delta: -714.2kB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-08-30 02:03:21,365 INFO L158 Benchmark]: TraceAbstraction took 192.17ms. Allocated memory is still 69.2MB. Free memory was 31.5MB in the beginning and 40.3MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 02:03:21,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.17ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 35.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.24ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 32.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.70ms. Allocated memory is still 69.2MB. Free memory was 32.9MB in the beginning and 31.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.23ms. Allocated memory is still 69.2MB. Free memory was 31.4MB in the beginning and 32.1MB in the end (delta: -714.2kB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * TraceAbstraction took 192.17ms. Allocated memory is still 69.2MB. Free memory was 31.5MB in the beginning and 40.3MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 02:03:21,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 02:03:23,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:03:23,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:03:23,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:03:23,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:03:23,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:03:23,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:03:23,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:03:23,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:03:23,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:03:23,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:03:23,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:03:23,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:03:23,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:03:23,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:03:23,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:03:23,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:03:23,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:03:23,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:03:23,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:03:23,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:03:23,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:03:23,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:03:23,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:03:23,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:03:23,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:03:23,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:03:23,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:03:23,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:03:23,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:03:23,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:03:23,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:03:23,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:03:23,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:03:23,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:03:23,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:03:23,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:03:23,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:03:23,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:03:23,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:03:23,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:03:23,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:03:23,485 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:03:23,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:03:23,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:03:23,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:03:23,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:03:23,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:03:23,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:03:23,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:03:23,488 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:03:23,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:03:23,488 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:03:23,488 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:03:23,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:03:23,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:03:23,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:03:23,489 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:03:23,489 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:03:23,489 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:03:23,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:03:23,490 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:03:23,490 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:03:23,490 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:03:23,490 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:03:23,491 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:03:23,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:03:23,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:03:23,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:03:23,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:23,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:03:23,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:03:23,493 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:03:23,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:03:23,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:03:23,493 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:03:23,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:03:23,494 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:03:23,494 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:03:23,495 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:03:23,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:03:23,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:03:23,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:03:23,850 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:03:23,850 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:03:23,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c [2023-08-30 02:03:24,988 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:03:25,160 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:03:25,161 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c [2023-08-30 02:03:25,171 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27bc1be82/b753cc2a661545558b502683846cfabf/FLAG65f9b9dbb [2023-08-30 02:03:25,198 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27bc1be82/b753cc2a661545558b502683846cfabf [2023-08-30 02:03:25,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:03:25,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:03:25,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:25,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:03:25,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:03:25,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d1e634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25, skipping insertion in model container [2023-08-30 02:03:25,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:03:25,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:03:25,414 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c[2330,2343] [2023-08-30 02:03:25,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:25,433 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:03:25,464 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c[2330,2343] [2023-08-30 02:03:25,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:25,487 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:03:25,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25 WrapperNode [2023-08-30 02:03:25,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:25,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:25,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:03:25,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:03:25,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,553 INFO L138 Inliner]: procedures = 25, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 158 [2023-08-30 02:03:25,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:25,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:03:25,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:03:25,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:03:25,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:03:25,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:03:25,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:03:25,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:03:25,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (1/1) ... [2023-08-30 02:03:25,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:25,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:03:25,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 02:03:25,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 02:03:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:03:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:03:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:03:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:03:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:03:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:03:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:03:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:03:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:03:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:03:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:03:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:03:25,702 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:03:25,874 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:25,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:26,236 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:26,243 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:26,248 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 02:03:26,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:26 BoogieIcfgContainer [2023-08-30 02:03:26,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:26,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:26,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:26,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:26,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:03:25" (1/3) ... [2023-08-30 02:03:26,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301ebce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:26, skipping insertion in model container [2023-08-30 02:03:26,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:25" (2/3) ... [2023-08-30 02:03:26,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301ebce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:26, skipping insertion in model container [2023-08-30 02:03:26,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:26" (3/3) ... [2023-08-30 02:03:26,271 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2023-08-30 02:03:26,298 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:26,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 02:03:26,299 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:26,459 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:03:26,464 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 02:03:26,468 INFO L158 Benchmark]: Toolchain (without parser) took 1265.92ms. Allocated memory is still 65.0MB. Free memory was 34.3MB in the beginning and 31.6MB in the end (delta: 2.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-08-30 02:03:26,468 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 30.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:26,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.32ms. Allocated memory is still 65.0MB. Free memory was 34.1MB in the beginning and 37.8MB in the end (delta: -3.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-08-30 02:03:26,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.65ms. Allocated memory is still 65.0MB. Free memory was 37.6MB in the beginning and 35.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:26,470 INFO L158 Benchmark]: Boogie Preprocessor took 61.67ms. Allocated memory is still 65.0MB. Free memory was 35.6MB in the beginning and 33.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:26,470 INFO L158 Benchmark]: RCFGBuilder took 633.53ms. Allocated memory is still 65.0MB. Free memory was 33.8MB in the beginning and 30.8MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 02:03:26,471 INFO L158 Benchmark]: TraceAbstraction took 200.71ms. Allocated memory is still 65.0MB. Free memory was 30.3MB in the beginning and 31.8MB in the end (delta: -1.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-08-30 02:03:26,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 30.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.32ms. Allocated memory is still 65.0MB. Free memory was 34.1MB in the beginning and 37.8MB in the end (delta: -3.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.65ms. Allocated memory is still 65.0MB. Free memory was 37.6MB in the beginning and 35.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.67ms. Allocated memory is still 65.0MB. Free memory was 35.6MB in the beginning and 33.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.53ms. Allocated memory is still 65.0MB. Free memory was 33.8MB in the beginning and 30.8MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 200.71ms. Allocated memory is still 65.0MB. Free memory was 30.3MB in the beginning and 31.8MB in the end (delta: -1.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 02:03:26,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE