./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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-send-receive.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:33:30,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:30,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:30,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:30,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:30,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:30,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:30,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:30,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:30,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:30,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:30,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:30,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:30,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:30,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:30,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:30,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:30,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:30,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:30,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:30,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:30,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:30,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:30,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:30,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:30,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:30,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:30,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:30,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:30,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:30,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:30,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:30,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:30,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:30,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:30,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:30,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:30,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:30,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:30,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:30,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:30,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:33:30,386 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:30,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:30,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:30,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:30,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:30,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:30,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:30,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:30,389 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:30,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:30,390 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:30,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:30,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:33:30,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:30,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:30,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:30,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:30,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:30,392 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:30,392 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:30,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:30,392 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:30,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:30,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:30,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:30,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:30,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:30,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:30,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:30,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:30,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:33:30,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:33:30,394 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:30,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:30,395 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:30,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:30,395 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:30,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:30,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:30,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:30,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:30,724 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:30,725 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:30,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2023-08-30 12:33:31,878 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:32,119 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:32,119 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2023-08-30 12:33:32,125 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b849a7d70/bb5ff1cf7e1c4b809219b547fad5b11a/FLAG819cb60c8 [2023-08-30 12:33:32,140 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b849a7d70/bb5ff1cf7e1c4b809219b547fad5b11a [2023-08-30 12:33:32,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:32,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:32,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:32,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:32,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:32,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d29586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32, skipping insertion in model container [2023-08-30 12:33:32,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:32,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:32,332 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-send-receive.wvr.c[3107,3120] [2023-08-30 12:33:32,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:32,344 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:32,363 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-send-receive.wvr.c[3107,3120] [2023-08-30 12:33:32,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:32,373 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:32,373 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:32,378 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:32,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32 WrapperNode [2023-08-30 12:33:32,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:32,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:32,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:32,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:32,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,420 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 174 [2023-08-30 12:33:32,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:32,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:32,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:32,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:32,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:32,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:32,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:32,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:32,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (1/1) ... [2023-08-30 12:33:32,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:32,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 12:33:32,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 12:33:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:33:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:33:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:33:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:33:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:33:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:33:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:33:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:33:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:32,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:32,546 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:33:32,622 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:32,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:32,894 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:33,063 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:33,064 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 12:33:33,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:33 BoogieIcfgContainer [2023-08-30 12:33:33,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:33,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:33,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:33,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:33,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:32" (1/3) ... [2023-08-30 12:33:33,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f82698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:33, skipping insertion in model container [2023-08-30 12:33:33,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:32" (2/3) ... [2023-08-30 12:33:33,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f82698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:33, skipping insertion in model container [2023-08-30 12:33:33,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:33" (3/3) ... [2023-08-30 12:33:33,073 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2023-08-30 12:33:33,079 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:33,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:33,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 12:33:33,088 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:33,162 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 12:33:33,167 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:33:33,171 INFO L158 Benchmark]: Toolchain (without parser) took 1027.05ms. Allocated memory is still 71.3MB. Free memory was 48.8MB in the beginning and 30.4MB in the end (delta: 18.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-08-30 12:33:33,172 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:33,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.52ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 37.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:33,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.43ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 34.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:33,173 INFO L158 Benchmark]: Boogie Preprocessor took 40.06ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:33,174 INFO L158 Benchmark]: RCFGBuilder took 604.55ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 43.0MB in the end (delta: -9.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-08-30 12:33:33,174 INFO L158 Benchmark]: TraceAbstraction took 102.40ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 30.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:33:33,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.52ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 37.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.43ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 34.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.06ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 604.55ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 43.0MB in the end (delta: -9.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * TraceAbstraction took 102.40ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 30.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:33:33,195 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-send-receive.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:33:35,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:35,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:35,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:35,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:35,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:35,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:35,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:35,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:35,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:35,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:35,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:35,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:35,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:35,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:35,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:35,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:35,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:35,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:35,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:35,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:35,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:35,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:35,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:35,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:35,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:35,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:35,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:35,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:35,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:35,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:35,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:35,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:35,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:35,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:35,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:35,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:35,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:35,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:35,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:35,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:35,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:33:35,145 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:35,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:35,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:35,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:35,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:35,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:35,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:35,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:35,148 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:35,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:35,148 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:35,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:35,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:35,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:35,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:35,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:35,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:35,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:33:35,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:33:35,150 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:35,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:33:35,150 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:35,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:35,151 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:35,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:35,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:35,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:35,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:35,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:35,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:35,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:35,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:35,153 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:33:35,153 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:33:35,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:35,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:35,153 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:35,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:35,154 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:33:35,154 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:35,154 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:35,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:35,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:35,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:35,442 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:35,442 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:35,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2023-08-30 12:33:36,667 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:36,887 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:36,888 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2023-08-30 12:33:36,899 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7417c7e19/650b6beaa0aa4e71af71ce2b83b666c9/FLAGba1b0239c [2023-08-30 12:33:36,925 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7417c7e19/650b6beaa0aa4e71af71ce2b83b666c9 [2023-08-30 12:33:36,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:36,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:36,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:36,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:36,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:36,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:36" (1/1) ... [2023-08-30 12:33:36,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4a3aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:36, skipping insertion in model container [2023-08-30 12:33:36,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:36" (1/1) ... [2023-08-30 12:33:36,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:36,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:37,137 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-send-receive.wvr.c[3107,3120] [2023-08-30 12:33:37,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:37,165 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 12:33:37,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:37,184 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-send-receive.wvr.c[3107,3120] [2023-08-30 12:33:37,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:37,195 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:37,229 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-send-receive.wvr.c[3107,3120] [2023-08-30 12:33:37,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:37,241 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:37,242 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:37,248 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:37,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37 WrapperNode [2023-08-30 12:33:37,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:37,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:37,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:37,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:37,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,294 INFO L138 Inliner]: procedures = 27, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 171 [2023-08-30 12:33:37,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:37,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:37,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:37,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:37,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:37,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:37,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:37,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:37,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (1/1) ... [2023-08-30 12:33:37,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:37,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:37,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 12:33:37,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 12:33:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:33:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:33:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:33:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:33:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:33:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:33:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:33:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:33:37,387 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:33:37,520 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:37,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:37,937 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:38,160 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:38,165 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 12:33:38,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:38 BoogieIcfgContainer [2023-08-30 12:33:38,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:38,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:38,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:38,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:38,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:36" (1/3) ... [2023-08-30 12:33:38,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec4b2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:38, skipping insertion in model container [2023-08-30 12:33:38,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:37" (2/3) ... [2023-08-30 12:33:38,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec4b2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:38, skipping insertion in model container [2023-08-30 12:33:38,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:38" (3/3) ... [2023-08-30 12:33:38,177 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2023-08-30 12:33:38,184 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:38,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:38,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 12:33:38,193 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:38,292 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 12:33:38,298 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:33:38,303 INFO L158 Benchmark]: Toolchain (without parser) took 1373.48ms. Allocated memory is still 98.6MB. Free memory was 77.2MB in the beginning and 59.3MB in the end (delta: 18.0MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-08-30 12:33:38,304 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 58.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:38,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.86ms. Allocated memory is still 98.6MB. Free memory was 77.0MB in the beginning and 63.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:33:38,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.52ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:38,307 INFO L158 Benchmark]: Boogie Preprocessor took 28.71ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 59.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:38,307 INFO L158 Benchmark]: RCFGBuilder took 843.21ms. Allocated memory is still 98.6MB. Free memory was 59.2MB in the beginning and 74.6MB in the end (delta: -15.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-08-30 12:33:38,308 INFO L158 Benchmark]: TraceAbstraction took 132.31ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 59.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:33:38,315 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 71.3MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 58.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.86ms. Allocated memory is still 98.6MB. Free memory was 77.0MB in the beginning and 63.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.52ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.71ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 59.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 843.21ms. Allocated memory is still 98.6MB. Free memory was 59.2MB in the beginning and 74.6MB in the end (delta: -15.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 132.31ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 59.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:33:38,339 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