./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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/mult-comm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e --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 [2023-08-29 09:13:05,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:13:05,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:13:05,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:13:05,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:13:05,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:13:05,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:13:05,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:13:05,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:13:05,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:13:05,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:13:05,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:13:05,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:13:05,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:13:05,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:13:05,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:13:05,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:13:05,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:13:05,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:13:05,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:13:06,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:13:06,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:13:06,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:13:06,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:13:06,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:13:06,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:13:06,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:13:06,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:13:06,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:13:06,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:13:06,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:13:06,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:13:06,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:13:06,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:13:06,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:13:06,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:13:06,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:13:06,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:13:06,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:13:06,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:13:06,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:13:06,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:13:06,070 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:13:06,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:13:06,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:13:06,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:13:06,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:13:06,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:13:06,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:13:06,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:13:06,075 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:13:06,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:13:06,076 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:13:06,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:13:06,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:13:06,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:13:06,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:13:06,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:13:06,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:13:06,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:13:06,077 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:13:06,078 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:13:06,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:13:06,078 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:13:06,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:13:06,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:13:06,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:13:06,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:13:06,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:06,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:13:06,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:13:06,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:13:06,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:13:06,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:13:06,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:13:06,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:13:06,080 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:13:06,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:13:06,081 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:13:06,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:06,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:06,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:06,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:06,427 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:06,427 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:06,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-08-29 09:13:07,588 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:07,801 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:07,802 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-08-29 09:13:07,809 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb486573/e9bd34c45b1c4233973723ab20ee3227/FLAG814623a91 [2023-08-29 09:13:07,822 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb486573/e9bd34c45b1c4233973723ab20ee3227 [2023-08-29 09:13:07,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:07,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:07,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:07,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:07,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:07,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:07" (1/1) ... [2023-08-29 09:13:07,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8b08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:07, skipping insertion in model container [2023-08-29 09:13:07,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:07" (1/1) ... [2023-08-29 09:13:07,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:07,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:07,975 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/mult-comm.wvr.c[1910,1923] [2023-08-29 09:13:07,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:07,985 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:08,010 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/mult-comm.wvr.c[1910,1923] [2023-08-29 09:13:08,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:08,025 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:08,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08 WrapperNode [2023-08-29 09:13:08,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:08,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:08,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:08,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:08,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,081 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-08-29 09:13:08,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:08,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:08,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:08,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:08,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,127 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:08,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:08,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:08,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:08,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (1/1) ... [2023-08-29 09:13:08,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:08,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:08,214 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) [2023-08-29 09:13:08,241 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 [2023-08-29 09:13:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:13:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:13:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:13:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:08,258 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:13:08,361 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:08,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:08,646 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:08,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:08,653 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:13:08,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:08 BoogieIcfgContainer [2023-08-29 09:13:08,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:08,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:08,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:08,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:08,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:07" (1/3) ... [2023-08-29 09:13:08,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b348f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:08, skipping insertion in model container [2023-08-29 09:13:08,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:08" (2/3) ... [2023-08-29 09:13:08,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b348f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:08, skipping insertion in model container [2023-08-29 09:13:08,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:08" (3/3) ... [2023-08-29 09:13:08,663 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-08-29 09:13:08,670 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:08,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:08,679 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-29 09:13:08,679 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:08,759 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:13:08,768 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) [2023-08-29 09:13:08,774 INFO L158 Benchmark]: Toolchain (without parser) took 947.37ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 48.9MB in the beginning and 62.4MB in the end (delta: -13.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-08-29 09:13:08,775 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:08,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.90ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 37.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:08,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.38ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:08,777 INFO L158 Benchmark]: Boogie Preprocessor took 49.15ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 34.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:08,778 INFO L158 Benchmark]: RCFGBuilder took 522.74ms. Allocated memory is still 71.3MB. Free memory was 34.4MB in the beginning and 37.7MB in the end (delta: -3.4MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:08,779 INFO L158 Benchmark]: TraceAbstraction took 115.05ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.0MB in the beginning and 62.7MB in the end (delta: -25.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-08-29 09:13:08,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.90ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 37.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.38ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.15ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 34.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.74ms. Allocated memory is still 71.3MB. Free memory was 34.4MB in the beginning and 37.7MB in the end (delta: -3.4MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * TraceAbstraction took 115.05ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.0MB in the beginning and 62.7MB in the end (delta: -25.7MB). Peak memory consumption was 12.4MB. 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. [2023-08-29 09:13:08,809 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/mult-comm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e --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 [2023-08-29 09:13:10,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:13:10,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:13:10,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:13:10,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:13:10,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:13:10,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:13:10,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:13:10,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:13:10,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:13:10,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:13:10,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:13:10,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:13:10,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:13:10,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:13:10,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:13:10,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:13:10,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:13:10,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:13:10,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:13:10,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:13:10,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:13:10,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:13:10,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:13:10,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:13:10,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:13:10,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:13:10,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:13:10,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:13:10,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:13:10,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:13:10,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:13:10,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:13:10,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:13:10,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:13:10,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:13:10,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:13:10,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:13:10,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:13:10,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:13:10,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:13:10,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:13:10,840 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:13:10,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:13:10,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:13:10,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:13:10,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:13:10,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:13:10,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:13:10,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:13:10,844 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:13:10,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:13:10,845 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:13:10,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:13:10,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:13:10,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:13:10,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:13:10,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:13:10,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:13:10,847 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:13:10,847 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:13:10,847 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:13:10,848 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:13:10,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:13:10,848 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:13:10,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:13:10,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:13:10,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:13:10,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:13:10,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:10,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:13:10,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:13:10,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:13:10,850 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:13:10,851 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:13:10,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:13:10,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:13:10,851 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:13:10,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:13:10,852 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:13:10,852 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:13:10,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:11,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:11,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:11,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:11,224 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:11,224 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:11,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-08-29 09:13:12,500 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:12,703 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:12,704 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-08-29 09:13:12,709 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3148a27bf/4ee7a94bad094876a7ac2e3ed180ad55/FLAG22d03fcb6 [2023-08-29 09:13:12,728 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3148a27bf/4ee7a94bad094876a7ac2e3ed180ad55 [2023-08-29 09:13:12,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:12,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:12,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:12,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:12,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:12,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c7b290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12, skipping insertion in model container [2023-08-29 09:13:12,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:12,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:12,884 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/mult-comm.wvr.c[1910,1923] [2023-08-29 09:13:12,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:12,896 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:12,915 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/mult-comm.wvr.c[1910,1923] [2023-08-29 09:13:12,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:12,934 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:12,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12 WrapperNode [2023-08-29 09:13:12,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:12,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:12,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:12,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:12,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,967 INFO L138 Inliner]: procedures = 23, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-08-29 09:13:12,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:12,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:12,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:12,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:12,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,992 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:12,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:13,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:13,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:13,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:13,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:13,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (1/1) ... [2023-08-29 09:13:13,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:13,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:13,032 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) [2023-08-29 09:13:13,037 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 [2023-08-29 09:13:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:13,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:13,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:13:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:13:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:13,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:13:13,071 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:13:13,202 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:13,204 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:13,532 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:13,539 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:13,541 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:13:13,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:13 BoogieIcfgContainer [2023-08-29 09:13:13,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:13,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:13,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:13,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:13,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:12" (1/3) ... [2023-08-29 09:13:13,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c379160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:13, skipping insertion in model container [2023-08-29 09:13:13,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:12" (2/3) ... [2023-08-29 09:13:13,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c379160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:13, skipping insertion in model container [2023-08-29 09:13:13,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:13" (3/3) ... [2023-08-29 09:13:13,554 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-08-29 09:13:13,561 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:13,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:13,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-29 09:13:13,569 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:13,683 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:13:13,689 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) [2023-08-29 09:13:13,695 INFO L158 Benchmark]: Toolchain (without parser) took 963.50ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 29.0MB in the end (delta: 21.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-08-29 09:13:13,696 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:13,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.93ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 39.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 09:13:13,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.80ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:13,698 INFO L158 Benchmark]: Boogie Preprocessor took 32.26ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 55.8MB in the end (delta: -18.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-08-29 09:13:13,699 INFO L158 Benchmark]: RCFGBuilder took 542.55ms. Allocated memory is still 75.5MB. Free memory was 55.8MB in the beginning and 39.5MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 09:13:13,699 INFO L158 Benchmark]: TraceAbstraction took 146.84ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 29.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 09:13:13,706 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 58.7MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.93ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 39.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.80ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.26ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 55.8MB in the end (delta: -18.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 542.55ms. Allocated memory is still 75.5MB. Free memory was 55.8MB in the beginning and 39.5MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 146.84ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 29.0MB in the end (delta: 10.1MB). 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. [2023-08-29 09:13:13,730 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