./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.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-queue-add-3.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 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 --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 12:33:25,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:25,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:25,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:25,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:25,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:25,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:25,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:25,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:25,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:25,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:25,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:25,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:25,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:25,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:25,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:25,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:25,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:25,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:25,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:25,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:25,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:25,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:25,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:25,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:25,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:25,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:25,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:25,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:25,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:25,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:25,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:25,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:25,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:25,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:25,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:25,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:25,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:25,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:25,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:25,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:25,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:33:25,412 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:25,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:25,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:25,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:25,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:25,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:25,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:25,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:25,415 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:25,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:25,415 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:25,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:25,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:33:25,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:25,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:25,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:25,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:25,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:25,417 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:25,417 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:25,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:25,417 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:25,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:25,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:25,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:25,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:25,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:25,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:25,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:25,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:25,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:33:25,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:33:25,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:25,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:25,419 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:25,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:25,419 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:25,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:25,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:25,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:25,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:25,649 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:25,649 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:25,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2023-08-30 12:33:26,596 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:26,760 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:26,761 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2023-08-30 12:33:26,766 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed09047e/8f7badb0c1ba4f98929b5419181aa12a/FLAG080577a2b [2023-08-30 12:33:26,775 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed09047e/8f7badb0c1ba4f98929b5419181aa12a [2023-08-30 12:33:26,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:26,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:26,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:26,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:26,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:26,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:26,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfd51ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26, skipping insertion in model container [2023-08-30 12:33:26,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:26,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:26,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:26,927 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-queue-add-3.wvr.c[3412,3425] [2023-08-30 12:33:26,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:26,936 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:26,952 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-queue-add-3.wvr.c[3412,3425] [2023-08-30 12:33:26,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:26,959 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:26,959 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:26,963 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:26,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26 WrapperNode [2023-08-30 12:33:26,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:26,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:26,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:26,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:26,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:26,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:26,994 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 272 [2023-08-30 12:33:26,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:26,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:26,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:26,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:27,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:27,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:27,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:27,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:27,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (1/1) ... [2023-08-30 12:33:27,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:27,046 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 12:33:27,097 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 12:33:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:33:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:33:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:33:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:33:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:33:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:33:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:33:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:33:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:27,114 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 12:33:27,234 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:27,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:27,558 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:27,688 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:27,689 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-30 12:33:27,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:27 BoogieIcfgContainer [2023-08-30 12:33:27,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:27,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:27,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:27,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:27,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:26" (1/3) ... [2023-08-30 12:33:27,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767d148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:27, skipping insertion in model container [2023-08-30 12:33:27,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:26" (2/3) ... [2023-08-30 12:33:27,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767d148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:27, skipping insertion in model container [2023-08-30 12:33:27,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:27" (3/3) ... [2023-08-30 12:33:27,696 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2023-08-30 12:33:27,701 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:27,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:27,707 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-08-30 12:33:27,707 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:27,770 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 12:33:27,776 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 12:33:27,780 INFO L158 Benchmark]: Toolchain (without parser) took 1002.02ms. Allocated memory is still 86.0MB. Free memory was 64.1MB in the beginning and 37.5MB in the end (delta: 26.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-08-30 12:33:27,780 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:27,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.26ms. Allocated memory is still 86.0MB. Free memory was 64.1MB in the beginning and 52.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:33:27,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.26ms. Allocated memory is still 86.0MB. Free memory was 51.9MB in the beginning and 49.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:27,782 INFO L158 Benchmark]: Boogie Preprocessor took 20.47ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 47.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:27,783 INFO L158 Benchmark]: RCFGBuilder took 674.67ms. Allocated memory is still 86.0MB. Free memory was 47.6MB in the beginning and 53.5MB in the end (delta: -5.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-08-30 12:33:27,783 INFO L158 Benchmark]: TraceAbstraction took 86.60ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 37.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:33:27,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.26ms. Allocated memory is still 86.0MB. Free memory was 64.1MB in the beginning and 52.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.26ms. Allocated memory is still 86.0MB. Free memory was 51.9MB in the beginning and 49.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.47ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 47.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.67ms. Allocated memory is still 86.0MB. Free memory was 47.6MB in the beginning and 53.5MB in the end (delta: -5.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 86.60ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 37.5MB in the end (delta: 15.2MB). 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 12:33:27,812 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-queue-add-3.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 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 --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 12:33:29,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:29,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:29,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:29,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:29,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:29,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:29,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:29,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:29,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:29,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:29,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:29,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:29,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:29,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:29,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:29,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:29,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:29,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:29,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:29,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:29,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:29,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:29,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:29,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:29,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:29,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:29,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:29,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:29,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:29,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:29,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:29,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:29,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:29,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:29,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:29,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:29,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:29,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:29,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:29,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:29,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:33:29,394 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:29,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:29,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:29,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:29,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:29,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:29,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:29,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:29,397 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:29,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:29,398 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:29,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:29,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:29,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:29,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:29,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:29,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:29,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:33:29,399 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:33:29,399 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:29,399 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:33:29,399 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:29,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:29,400 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:29,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:29,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:29,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:29,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:29,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:29,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:29,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:29,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:29,401 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:33:29,401 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:33:29,401 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:29,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:29,402 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:29,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:29,402 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:33:29,402 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:29,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:29,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:29,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:29,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:29,659 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:29,660 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:29,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2023-08-30 12:33:30,615 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:30,793 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:30,794 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2023-08-30 12:33:30,800 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eab83e3f7/32a4e6f4fb364301aa3165f691ec1d71/FLAGc20ba9570 [2023-08-30 12:33:30,809 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eab83e3f7/32a4e6f4fb364301aa3165f691ec1d71 [2023-08-30 12:33:30,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:30,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:30,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:30,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:30,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:30,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:30" (1/1) ... [2023-08-30 12:33:30,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5889f0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:30, skipping insertion in model container [2023-08-30 12:33:30,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:30" (1/1) ... [2023-08-30 12:33:30,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:30,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:30,990 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-queue-add-3.wvr.c[3412,3425] [2023-08-30 12:33:31,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:31,011 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 12:33:31,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:31,044 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-queue-add-3.wvr.c[3412,3425] [2023-08-30 12:33:31,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:31,052 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:31,086 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-queue-add-3.wvr.c[3412,3425] [2023-08-30 12:33:31,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:31,095 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:31,096 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:31,100 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:31,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31 WrapperNode [2023-08-30 12:33:31,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:31,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:31,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:31,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:31,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,141 INFO L138 Inliner]: procedures = 27, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 265 [2023-08-30 12:33:31,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:31,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:31,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:31,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:31,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:31,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:31,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:31,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:31,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (1/1) ... [2023-08-30 12:33:31,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:31,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:31,226 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 12:33:31,244 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 12:33:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:33:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:33:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:33:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:33:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:33:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:33:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:33:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:33:31,263 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 12:33:31,396 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:31,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:31,714 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:31,856 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:31,856 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-30 12:33:31,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:31 BoogieIcfgContainer [2023-08-30 12:33:31,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:31,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:31,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:31,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:31,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:30" (1/3) ... [2023-08-30 12:33:31,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4c1a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:31, skipping insertion in model container [2023-08-30 12:33:31,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:31" (2/3) ... [2023-08-30 12:33:31,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4c1a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:31, skipping insertion in model container [2023-08-30 12:33:31,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:31" (3/3) ... [2023-08-30 12:33:31,863 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2023-08-30 12:33:31,867 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:31,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:31,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-08-30 12:33:31,873 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:31,937 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 12:33:31,942 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 12:33:31,946 INFO L158 Benchmark]: Toolchain (without parser) took 1134.10ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 34.0MB in the end (delta: 23.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:31,946 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:31,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.16ms. Allocated memory is still 79.7MB. Free memory was 57.7MB in the beginning and 43.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:33:31,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.25ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 40.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:33:31,948 INFO L158 Benchmark]: Boogie Preprocessor took 52.90ms. Allocated memory is still 79.7MB. Free memory was 40.8MB in the beginning and 59.8MB in the end (delta: -19.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-08-30 12:33:31,949 INFO L158 Benchmark]: RCFGBuilder took 661.47ms. Allocated memory is still 79.7MB. Free memory was 59.8MB in the beginning and 53.6MB in the end (delta: 6.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-08-30 12:33:31,949 INFO L158 Benchmark]: TraceAbstraction took 85.57ms. Allocated memory is still 79.7MB. Free memory was 52.9MB in the beginning and 34.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 12:33:31,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.16ms. Allocated memory is still 79.7MB. Free memory was 57.7MB in the beginning and 43.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.25ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 40.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.90ms. Allocated memory is still 79.7MB. Free memory was 40.8MB in the beginning and 59.8MB in the end (delta: -19.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 661.47ms. Allocated memory is still 79.7MB. Free memory was 59.8MB in the beginning and 53.6MB in the end (delta: 6.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * TraceAbstraction took 85.57ms. Allocated memory is still 79.7MB. Free memory was 52.9MB in the beginning and 34.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:33:31,974 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