./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 --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 22:32:28,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:32:28,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:32:28,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:32:28,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:32:28,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:32:28,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:32:28,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:32:28,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:32:28,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:32:28,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:32:28,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:32:28,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:32:28,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:32:28,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:32:28,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:32:28,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:32:28,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:32:28,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:32:28,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:32:28,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:32:28,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:32:28,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:32:28,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:32:28,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:32:28,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:32:28,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:32:28,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:32:28,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:32:28,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:32:28,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:32:28,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:32:28,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:32:28,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:32:28,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:32:28,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:32:28,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:32:28,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:32:28,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:32:28,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:32:28,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:32:28,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:32:28,936 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:32:28,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:32:28,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:32:28,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:32:28,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:32:28,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:32:28,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:32:28,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:32:28,940 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:32:28,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:32:28,941 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:32:28,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:32:28,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:32:28,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:32:28,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:32:28,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:32:28,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:32:28,942 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:32:28,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:32:28,942 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:32:28,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:32:28,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:32:28,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:32:28,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:32:28,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:28,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:32:28,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:32:28,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:32:28,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:32:28,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:32:28,944 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:32:28,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:32:28,945 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:32:28,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:32:28,945 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:32:28,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:32:29,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:32:29,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:32:29,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:32:29,284 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:32:29,284 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:32:29,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2023-08-30 22:32:30,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:32:30,690 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:32:30,692 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2023-08-30 22:32:30,700 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d44c1495/1e42f9328ed543148a8daad1a2bdbc48/FLAG3425a8718 [2023-08-30 22:32:30,712 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d44c1495/1e42f9328ed543148a8daad1a2bdbc48 [2023-08-30 22:32:30,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:32:30,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:32:30,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:30,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:32:30,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:32:30,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b27c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30, skipping insertion in model container [2023-08-30 22:32:30,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:32:30,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:30,903 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/chl-file-item-symm.wvr.c[2495,2508] [2023-08-30 22:32:30,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:30,923 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:32:30,949 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/chl-file-item-symm.wvr.c[2495,2508] [2023-08-30 22:32:30,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:30,966 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:32:30,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30 WrapperNode [2023-08-30 22:32:30,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:30,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:30,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:32:30,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:32:30,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,012 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 148 [2023-08-30 22:32:31,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:31,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:32:31,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:32:31,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:32:31,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,042 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:32:31,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:32:31,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:32:31,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:32:31,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:31,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:31,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:32:31,089 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 22:32:31,109 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 22:32:31,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:32:31,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:32:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:32:31,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:32:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:32:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:32:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:32:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:32:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:32:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:32:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:32:31,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:32:31,126 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 22:32:31,273 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:32:31,290 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:32:31,621 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:32:31,628 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:32:31,631 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:32:31,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:31 BoogieIcfgContainer [2023-08-30 22:32:31,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:32:31,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:32:31,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:32:31,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:32:31,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:32:30" (1/3) ... [2023-08-30 22:32:31,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3c3afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:31, skipping insertion in model container [2023-08-30 22:32:31,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (2/3) ... [2023-08-30 22:32:31,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3c3afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:31, skipping insertion in model container [2023-08-30 22:32:31,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:31" (3/3) ... [2023-08-30 22:32:31,642 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2023-08-30 22:32:31,649 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:32:31,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:32:31,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:32:31,656 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:32:31,751 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:32:31,758 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 22:32:31,761 INFO L158 Benchmark]: Toolchain (without parser) took 1045.12ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 50.3MB in the end (delta: 17.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,762 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:31,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.01ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 56.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.78ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,764 INFO L158 Benchmark]: Boogie Preprocessor took 38.40ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 53.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:31,764 INFO L158 Benchmark]: RCFGBuilder took 581.90ms. Allocated memory is still 90.2MB. Free memory was 53.3MB in the beginning and 61.4MB in the end (delta: -8.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,765 INFO L158 Benchmark]: TraceAbstraction took 123.97ms. Allocated memory is still 90.2MB. Free memory was 60.8MB in the beginning and 50.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.01ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 56.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.78ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.40ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 53.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 581.90ms. Allocated memory is still 90.2MB. Free memory was 53.3MB in the beginning and 61.4MB in the end (delta: -8.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 123.97ms. Allocated memory is still 90.2MB. Free memory was 60.8MB in the beginning and 50.3MB in the end (delta: 10.5MB). 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 22:32:31,797 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/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 --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 22:32:33,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:32:33,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:32:33,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:32:33,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:32:33,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:32:33,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:32:33,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:32:33,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:32:33,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:32:33,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:32:33,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:32:33,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:32:33,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:32:33,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:32:33,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:32:33,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:32:33,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:32:33,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:32:33,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:32:33,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:32:33,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:32:33,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:32:33,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:32:33,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:32:33,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:32:33,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:32:33,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:32:33,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:32:33,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:32:33,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:32:33,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:32:33,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:32:33,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:32:33,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:32:33,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:32:33,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:32:33,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:32:33,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:32:33,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:32:33,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:32:33,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:32:33,853 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:32:33,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:32:33,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:32:33,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:32:33,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:32:33,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:32:33,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:32:33,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:32:33,857 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:32:33,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:32:33,858 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:32:33,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:32:33,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:32:33,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:32:33,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:32:33,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:32:33,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:32:33,860 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:32:33,860 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:32:33,860 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:32:33,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:32:33,860 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:32:33,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:32:33,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:32:33,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:32:33,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:32:33,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:33,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:32:33,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:32:33,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:32:33,862 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:32:33,862 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:32:33,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:32:33,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:32:33,863 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:32:33,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:32:33,864 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:32:33,864 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:32:33,864 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:32:34,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:32:34,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:32:34,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:32:34,169 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:32:34,169 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:32:34,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2023-08-30 22:32:35,337 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:32:35,515 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:32:35,516 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2023-08-30 22:32:35,521 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660e470f3/91123f96e0f146cc929bd719292374e4/FLAGc5a72e9bd [2023-08-30 22:32:35,533 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660e470f3/91123f96e0f146cc929bd719292374e4 [2023-08-30 22:32:35,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:32:35,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:32:35,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:35,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:32:35,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:32:35,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8a3771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35, skipping insertion in model container [2023-08-30 22:32:35,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:32:35,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:35,746 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/chl-file-item-symm.wvr.c[2495,2508] [2023-08-30 22:32:35,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:35,769 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:32:35,802 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/chl-file-item-symm.wvr.c[2495,2508] [2023-08-30 22:32:35,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:35,824 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:32:35,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35 WrapperNode [2023-08-30 22:32:35,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:35,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:35,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:32:35,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:32:35,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,879 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 144 [2023-08-30 22:32:35,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:35,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:32:35,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:32:35,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:32:35,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:32:35,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:32:35,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:32:35,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:32:35,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:35,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:32:36,014 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 22:32:36,040 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 22:32:36,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:32:36,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:32:36,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:32:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:32:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:32:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:32:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:32:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:32:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:32:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:32:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:32:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:32:36,058 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 22:32:36,168 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:32:36,170 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:32:36,525 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:32:36,533 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:32:36,533 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:32:36,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:36 BoogieIcfgContainer [2023-08-30 22:32:36,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:32:36,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:32:36,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:32:36,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:32:36,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:32:35" (1/3) ... [2023-08-30 22:32:36,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:36, skipping insertion in model container [2023-08-30 22:32:36,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (2/3) ... [2023-08-30 22:32:36,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:36, skipping insertion in model container [2023-08-30 22:32:36,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:36" (3/3) ... [2023-08-30 22:32:36,542 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2023-08-30 22:32:36,548 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:32:36,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:32:36,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:32:36,557 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:32:36,683 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:32:36,701 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 22:32:36,707 INFO L158 Benchmark]: Toolchain (without parser) took 1170.08ms. Allocated memory is still 73.4MB. Free memory was 51.0MB in the beginning and 45.0MB in the end (delta: 5.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,708 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:36,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.91ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 38.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.59ms. Allocated memory is still 73.4MB. Free memory was 38.8MB in the beginning and 36.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,710 INFO L158 Benchmark]: Boogie Preprocessor took 55.92ms. Allocated memory is still 73.4MB. Free memory was 36.6MB in the beginning and 35.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,711 INFO L158 Benchmark]: RCFGBuilder took 598.02ms. Allocated memory is still 73.4MB. Free memory was 35.1MB in the beginning and 37.1MB in the end (delta: -2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,711 INFO L158 Benchmark]: TraceAbstraction took 168.65ms. Allocated memory is still 73.4MB. Free memory was 36.3MB in the beginning and 45.0MB in the end (delta: -8.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.91ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 38.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.59ms. Allocated memory is still 73.4MB. Free memory was 38.8MB in the beginning and 36.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.92ms. Allocated memory is still 73.4MB. Free memory was 36.6MB in the beginning and 35.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.02ms. Allocated memory is still 73.4MB. Free memory was 35.1MB in the beginning and 37.1MB in the end (delta: -2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 168.65ms. Allocated memory is still 73.4MB. Free memory was 36.3MB in the beginning and 45.0MB in the end (delta: -8.7MB). Peak memory consumption was 10.3MB. 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 22:32:36,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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