./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.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/popl20-more-buffer-series.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 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --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 09:14:54,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:14:54,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:14:54,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:14:54,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:14:54,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:14:54,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:14:54,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:14:54,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:14:54,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:14:54,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:14:54,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:14:54,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:14:54,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:14:54,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:14:54,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:14:54,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:14:54,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:14:54,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:14:54,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:14:54,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:14:54,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:14:54,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:14:54,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:14:54,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:14:54,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:14:54,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:14:54,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:14:54,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:14:54,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:14:54,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:14:54,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:14:54,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:14:54,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:14:54,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:14:54,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:14:54,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:14:54,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:14:54,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:14:54,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:14:54,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:14:54,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:14:55,015 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:14:55,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:14:55,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:14:55,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:14:55,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:14:55,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:14:55,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:14:55,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:14:55,019 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:14:55,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:14:55,020 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:14:55,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:14:55,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:14:55,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:14:55,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:14:55,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:14:55,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:14:55,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:14:55,021 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:14:55,021 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:14:55,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:14:55,021 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:14:55,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:14:55,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:14:55,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:14:55,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:14:55,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:14:55,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:14:55,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:14:55,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:14:55,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:14:55,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:14:55,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:14:55,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:14:55,024 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:14:55,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:14:55,024 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:14:55,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:14:55,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:14:55,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:14:55,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:14:55,364 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:14:55,365 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:14:55,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2023-08-29 09:14:56,461 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:14:56,677 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:14:56,678 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2023-08-29 09:14:56,699 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6d6bed63/e30b70f2852e403985d48733991371cd/FLAG59789b230 [2023-08-29 09:14:56,719 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6d6bed63/e30b70f2852e403985d48733991371cd [2023-08-29 09:14:56,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:14:56,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:14:56,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:14:56,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:14:56,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:14:56,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:14:56" (1/1) ... [2023-08-29 09:14:56,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a88b4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:56, skipping insertion in model container [2023-08-29 09:14:56,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:14:56" (1/1) ... [2023-08-29 09:14:56,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:14:56,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:14:56,979 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-29 09:14:56,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:14:57,006 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:14:57,040 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-29 09:14:57,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:14:57,051 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:14:57,051 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:14:57,056 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:14:57,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57 WrapperNode [2023-08-29 09:14:57,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:14:57,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:14:57,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:14:57,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:14:57,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,152 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 688 [2023-08-29 09:14:57,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:14:57,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:14:57,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:14:57,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:14:57,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,215 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:14:57,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:14:57,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:14:57,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:14:57,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (1/1) ... [2023-08-29 09:14:57,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:14:57,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:14:57,259 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 09:14:57,281 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 09:14:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:14:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:14:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:14:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:14:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:14:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:14:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:14:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:14:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:14:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:14:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-29 09:14:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-29 09:14:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:14:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:14:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:14:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:14:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:14:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:14:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:14:57,300 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 09:14:57,408 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:14:57,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:14:58,281 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:14:58,813 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:14:58,813 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-08-29 09:14:58,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:14:58 BoogieIcfgContainer [2023-08-29 09:14:58,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:14:58,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:14:58,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:14:58,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:14:58,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:14:56" (1/3) ... [2023-08-29 09:14:58,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78150188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:14:58, skipping insertion in model container [2023-08-29 09:14:58,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:14:57" (2/3) ... [2023-08-29 09:14:58,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78150188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:14:58, skipping insertion in model container [2023-08-29 09:14:58,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:14:58" (3/3) ... [2023-08-29 09:14:58,824 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2023-08-29 09:14:58,831 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:14:58,839 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:14:58,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 103 error locations. [2023-08-29 09:14:58,840 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:14:59,015 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 09:14:59,020 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 09:14:59,026 INFO L158 Benchmark]: Toolchain (without parser) took 2302.61ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 49.8MB in the beginning and 60.5MB in the end (delta: -10.6MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2023-08-29 09:14:59,027 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:14:59,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.08ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 35.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 09:14:59,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.31ms. Allocated memory is still 73.4MB. Free memory was 35.1MB in the beginning and 50.0MB in the end (delta: -14.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:14:59,029 INFO L158 Benchmark]: Boogie Preprocessor took 67.88ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 45.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:14:59,030 INFO L158 Benchmark]: RCFGBuilder took 1594.78ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 45.8MB in the beginning and 55.3MB in the end (delta: -9.5MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-08-29 09:14:59,031 INFO L158 Benchmark]: TraceAbstraction took 206.18ms. Allocated memory is still 113.2MB. Free memory was 54.0MB in the beginning and 60.5MB in the end (delta: -6.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-08-29 09:14:59,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.08ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 35.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.31ms. Allocated memory is still 73.4MB. Free memory was 35.1MB in the beginning and 50.0MB in the end (delta: -14.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.88ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 45.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1594.78ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 45.8MB in the beginning and 55.3MB in the end (delta: -9.5MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * TraceAbstraction took 206.18ms. Allocated memory is still 113.2MB. Free memory was 54.0MB in the beginning and 60.5MB in the end (delta: -6.4MB). Peak memory consumption was 19.8MB. 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 09:14:59,068 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/popl20-more-buffer-series.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 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --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 09:15:00,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:15:00,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:15:01,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:15:01,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:15:01,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:15:01,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:15:01,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:15:01,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:15:01,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:15:01,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:15:01,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:15:01,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:15:01,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:15:01,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:15:01,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:15:01,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:15:01,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:15:01,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:15:01,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:15:01,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:15:01,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:15:01,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:15:01,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:15:01,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:15:01,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:15:01,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:15:01,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:15:01,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:15:01,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:15:01,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:15:01,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:15:01,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:15:01,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:15:01,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:15:01,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:15:01,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:15:01,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:15:01,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:15:01,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:15:01,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:15:01,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:15:01,096 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:15:01,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:15:01,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:15:01,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:15:01,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:15:01,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:15:01,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:15:01,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:15:01,100 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:15:01,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:15:01,101 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:15:01,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:15:01,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:15:01,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:15:01,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:15:01,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:15:01,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:15:01,102 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:15:01,103 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:15:01,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:15:01,104 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:15:01,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:15:01,108 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:15:01,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:15:01,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:15:01,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:15:01,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:15:01,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:15:01,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:15:01,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:15:01,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:15:01,110 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:15:01,110 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:15:01,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:15:01,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:15:01,111 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:15:01,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:15:01,111 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:15:01,112 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:15:01,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:15:01,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:15:01,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:15:01,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:15:01,431 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:15:01,432 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:15:01,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2023-08-29 09:15:02,537 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:15:02,707 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:15:02,707 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2023-08-29 09:15:02,713 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b73f75b1/25cb718f1b9442839317650fa4d228a6/FLAGf10b29bd7 [2023-08-29 09:15:02,730 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b73f75b1/25cb718f1b9442839317650fa4d228a6 [2023-08-29 09:15:02,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:15:02,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:15:02,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:15:02,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:15:02,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:15:02,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:15:02" (1/1) ... [2023-08-29 09:15:02,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f56dac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:02, skipping insertion in model container [2023-08-29 09:15:02,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:15:02" (1/1) ... [2023-08-29 09:15:02,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:15:02,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:15:02,981 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-29 09:15:02,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:15:03,002 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:15:03,067 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-29 09:15:03,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:15:03,092 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:15:03,099 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:15:03,105 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:15:03,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03 WrapperNode [2023-08-29 09:15:03,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:15:03,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:15:03,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:15:03,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:15:03,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,189 INFO L138 Inliner]: procedures = 29, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 678 [2023-08-29 09:15:03,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:15:03,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:15:03,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:15:03,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:15:03,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,264 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:15:03,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:15:03,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:15:03,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:15:03,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (1/1) ... [2023-08-29 09:15:03,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:15:03,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:15:03,314 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 09:15:03,340 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 09:15:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:15:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:15:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:15:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:15:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:15:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:15:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:15:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:15:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:15:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:15:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-29 09:15:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-29 09:15:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:15:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:15:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:15:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:15:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:15:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:15:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:15:03,359 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 09:15:03,517 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:15:03,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:15:04,643 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:15:05,239 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:15:05,239 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-08-29 09:15:05,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:15:05 BoogieIcfgContainer [2023-08-29 09:15:05,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:15:05,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:15:05,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:15:05,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:15:05,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:15:02" (1/3) ... [2023-08-29 09:15:05,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1259bf76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:15:05, skipping insertion in model container [2023-08-29 09:15:05,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:03" (2/3) ... [2023-08-29 09:15:05,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1259bf76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:15:05, skipping insertion in model container [2023-08-29 09:15:05,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:15:05" (3/3) ... [2023-08-29 09:15:05,250 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2023-08-29 09:15:05,258 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:15:05,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:15:05,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 103 error locations. [2023-08-29 09:15:05,266 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:15:05,451 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 09:15:05,457 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 09:15:05,461 INFO L158 Benchmark]: Toolchain (without parser) took 2726.75ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 40.4MB in the beginning and 52.7MB in the end (delta: -12.4MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2023-08-29 09:15:05,462 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 52.4MB. Free memory was 29.9MB in the beginning and 29.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:15:05,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.44ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 39.9MB in the end (delta: 313.8kB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-08-29 09:15:05,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.41ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 35.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:15:05,464 INFO L158 Benchmark]: Boogie Preprocessor took 74.69ms. Allocated memory is still 62.9MB. Free memory was 35.1MB in the beginning and 30.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:15:05,465 INFO L158 Benchmark]: RCFGBuilder took 1970.61ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 30.7MB in the beginning and 62.9MB in the end (delta: -32.2MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-08-29 09:15:05,466 INFO L158 Benchmark]: TraceAbstraction took 215.01ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 52.7MB in the end (delta: 9.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-08-29 09:15:05,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 52.4MB. Free memory was 29.9MB in the beginning and 29.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.44ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 39.9MB in the end (delta: 313.8kB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.41ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 35.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.69ms. Allocated memory is still 62.9MB. Free memory was 35.1MB in the beginning and 30.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1970.61ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 30.7MB in the beginning and 62.9MB in the end (delta: -32.2MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * TraceAbstraction took 215.01ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 52.7MB in the end (delta: 9.3MB). Peak memory consumption was 37.9MB. 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 09:15:05,497 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