./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/popl20-difference-det.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-difference-det.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 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e --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 12:32:30,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:32:30,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:32:30,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:32:30,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:32:30,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:32:30,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:32:30,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:32:30,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:32:30,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:32:30,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:32:30,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:32:30,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:32:30,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:32:30,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:32:30,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:32:30,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:32:30,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:32:30,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:32:30,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:32:30,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:32:30,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:32:30,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:32:30,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:32:30,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:32:30,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:32:30,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:32:30,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:32:30,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:32:30,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:32:30,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:32:30,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:32:30,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:32:30,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:32:30,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:32:30,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:32:30,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:32:30,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:32:30,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:32:30,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:32:30,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:32:30,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:32:30,550 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:32:30,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:32:30,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:32:30,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:32:30,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:32:30,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:32:30,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:32:30,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:32:30,553 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:32:30,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:32:30,554 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:32:30,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:32:30,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:32:30,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:32:30,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:32:30,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:32:30,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:32:30,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:32:30,556 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:32:30,557 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:32:30,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:32:30,561 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:32:30,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:32:30,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:32:30,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:32:30,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:32:30,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:30,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:32:30,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:32:30,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:32:30,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:32:30,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:32:30,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:32:30,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:32:30,566 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:32:30,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:32:30,566 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:32:30,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:32:30,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:32:30,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:32:30,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:32:30,866 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:32:30,866 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:32:30,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-30 12:32:32,050 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:32:32,257 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:32:32,258 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-30 12:32:32,266 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e7471bcf/ca339e30c1ee4f7ab15f05473acfdc2e/FLAG5e770ab5e [2023-08-30 12:32:32,279 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e7471bcf/ca339e30c1ee4f7ab15f05473acfdc2e [2023-08-30 12:32:32,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:32:32,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:32:32,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:32,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:32:32,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:32:32,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4845796a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32, skipping insertion in model container [2023-08-30 12:32:32,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:32:32,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:32:32,461 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-difference-det.wvr.c[2507,2520] [2023-08-30 12:32:32,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:32,471 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:32:32,494 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-difference-det.wvr.c[2507,2520] [2023-08-30 12:32:32,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:32,502 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:32,503 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:32,508 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:32:32,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32 WrapperNode [2023-08-30 12:32:32,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:32,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:32,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:32:32,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:32:32,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,562 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130 [2023-08-30 12:32:32,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:32,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:32:32,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:32:32,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:32:32,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,606 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:32:32,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:32:32,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:32:32,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:32:32,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (1/1) ... [2023-08-30 12:32:32,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:32,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:32:32,647 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 12:32:32,667 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 12:32:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:32:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:32:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:32:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:32:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:32:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:32:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:32:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-30 12:32:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-30 12:32:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:32:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:32:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:32:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:32:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:32:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:32:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:32:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:32:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:32:32,711 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 12:32:32,830 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:32:32,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:32:33,175 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:32:33,275 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:32:33,277 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 12:32:33,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:33 BoogieIcfgContainer [2023-08-30 12:32:33,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:32:33,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:32:33,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:32:33,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:32:33,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:32:32" (1/3) ... [2023-08-30 12:32:33,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b5ac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:33, skipping insertion in model container [2023-08-30 12:32:33,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:32" (2/3) ... [2023-08-30 12:32:33,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b5ac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:33, skipping insertion in model container [2023-08-30 12:32:33,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:33" (3/3) ... [2023-08-30 12:32:33,287 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2023-08-30 12:32:33,293 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:32:33,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:32:33,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-30 12:32:33,300 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:32:33,402 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 12:32:33,408 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 12:32:33,412 INFO L158 Benchmark]: Toolchain (without parser) took 1129.38ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 39.1MB in the end (delta: 5.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-08-30 12:32:33,413 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:32:33,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.34ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 33.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:32:33,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.22ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 32.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:33,414 INFO L158 Benchmark]: Boogie Preprocessor took 52.09ms. Allocated memory is still 69.2MB. Free memory was 32.0MB in the beginning and 30.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:33,415 INFO L158 Benchmark]: RCFGBuilder took 662.30ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 30.4MB in the beginning and 50.7MB in the end (delta: -20.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-08-30 12:32:33,415 INFO L158 Benchmark]: TraceAbstraction took 130.40ms. Allocated memory is still 90.2MB. Free memory was 50.2MB in the beginning and 39.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:32:33,418 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 69.2MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.34ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 33.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.22ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 32.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.09ms. Allocated memory is still 69.2MB. Free memory was 32.0MB in the beginning and 30.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.30ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 30.4MB in the beginning and 50.7MB in the end (delta: -20.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * TraceAbstraction took 130.40ms. Allocated memory is still 90.2MB. Free memory was 50.2MB in the beginning and 39.1MB in the end (delta: 11.2MB). 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 12:32:33,438 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-difference-det.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 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e --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 12:32:35,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:32:35,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:32:35,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:32:35,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:32:35,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:32:35,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:32:35,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:32:35,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:32:35,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:32:35,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:32:35,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:32:35,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:32:35,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:32:35,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:32:35,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:32:35,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:32:35,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:32:35,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:32:35,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:32:35,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:32:35,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:32:35,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:32:35,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:32:35,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:32:35,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:32:35,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:32:35,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:32:35,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:32:35,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:32:35,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:32:35,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:32:35,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:32:35,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:32:35,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:32:35,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:32:35,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:32:35,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:32:35,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:32:35,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:32:35,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:32:35,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:32:35,493 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:32:35,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:32:35,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:32:35,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:32:35,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:32:35,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:32:35,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:32:35,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:32:35,495 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:32:35,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:32:35,495 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:32:35,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:32:35,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:32:35,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:32:35,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:32:35,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:32:35,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:32:35,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:32:35,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:32:35,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:32:35,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:35,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:32:35,498 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:32:35,499 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:32:35,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:32:35,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:32:35,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:32:35,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:32:35,795 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:32:35,796 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:32:35,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-30 12:32:37,076 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:32:37,278 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:32:37,279 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-30 12:32:37,287 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba11bc687/1de49d78a03a4436b036b99448ee8f76/FLAG9df5efdcc [2023-08-30 12:32:37,308 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba11bc687/1de49d78a03a4436b036b99448ee8f76 [2023-08-30 12:32:37,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:32:37,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:32:37,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:37,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:32:37,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:32:37,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d112f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37, skipping insertion in model container [2023-08-30 12:32:37,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:32:37,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:32:37,532 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-difference-det.wvr.c[2507,2520] [2023-08-30 12:32:37,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:37,553 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:32:37,594 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-difference-det.wvr.c[2507,2520] [2023-08-30 12:32:37,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:37,605 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:37,605 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:37,611 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:32:37,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37 WrapperNode [2023-08-30 12:32:37,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:37,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:37,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:32:37,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:32:37,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,672 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2023-08-30 12:32:37,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:37,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:32:37,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:32:37,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:32:37,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,725 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:32:37,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:32:37,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:32:37,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:32:37,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (1/1) ... [2023-08-30 12:32:37,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:37,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:32:37,762 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 12:32:37,769 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 12:32:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:32:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:32:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:32:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:32:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:32:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:32:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:32:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:32:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-30 12:32:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-30 12:32:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:32:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:32:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:32:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:32:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:32:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:32:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:32:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:32:37,805 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 12:32:37,917 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:32:37,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:32:38,289 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:32:38,412 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:32:38,413 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 12:32:38,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:38 BoogieIcfgContainer [2023-08-30 12:32:38,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:32:38,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:32:38,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:32:38,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:32:38,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:32:37" (1/3) ... [2023-08-30 12:32:38,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218bee44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:38, skipping insertion in model container [2023-08-30 12:32:38,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:37" (2/3) ... [2023-08-30 12:32:38,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218bee44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:38, skipping insertion in model container [2023-08-30 12:32:38,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:38" (3/3) ... [2023-08-30 12:32:38,422 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2023-08-30 12:32:38,429 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:32:38,437 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:32:38,438 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-30 12:32:38,438 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:32:38,531 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 12:32:38,538 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 12:32:38,544 INFO L158 Benchmark]: Toolchain (without parser) took 1231.01ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 38.1MB in the beginning and 40.2MB in the end (delta: -2.1MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-08-30 12:32:38,544 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 26.4MB in the beginning and 26.4MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:32:38,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.39ms. Allocated memory is still 58.7MB. Free memory was 37.8MB in the beginning and 26.1MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:32:38,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.09ms. Allocated memory is still 58.7MB. Free memory was 26.1MB in the beginning and 38.1MB in the end (delta: -12.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2023-08-30 12:32:38,547 INFO L158 Benchmark]: Boogie Preprocessor took 58.59ms. Allocated memory is still 58.7MB. Free memory was 38.1MB in the beginning and 36.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:38,548 INFO L158 Benchmark]: RCFGBuilder took 682.78ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.5MB in the beginning and 35.7MB in the end (delta: 757.1kB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-08-30 12:32:38,549 INFO L158 Benchmark]: TraceAbstraction took 125.20ms. Allocated memory is still 71.3MB. Free memory was 35.1MB in the beginning and 40.2MB in the end (delta: -5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 12:32:38,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 26.4MB in the beginning and 26.4MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.39ms. Allocated memory is still 58.7MB. Free memory was 37.8MB in the beginning and 26.1MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.09ms. Allocated memory is still 58.7MB. Free memory was 26.1MB in the beginning and 38.1MB in the end (delta: -12.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.59ms. Allocated memory is still 58.7MB. Free memory was 38.1MB in the beginning and 36.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.78ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.5MB in the beginning and 35.7MB in the end (delta: 757.1kB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 125.20ms. Allocated memory is still 71.3MB. Free memory was 35.1MB in the beginning and 40.2MB in the end (delta: -5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:32:38,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE