./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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-bad-counter-queue2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 --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 22:34:11,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:34:11,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:34:11,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:34:11,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:34:11,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:34:11,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:34:11,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:34:11,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:34:11,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:34:11,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:34:11,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:34:11,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:34:11,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:34:11,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:34:11,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:34:11,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:34:11,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:34:11,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:34:11,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:34:11,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:34:11,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:34:11,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:34:11,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:34:11,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:34:11,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:34:11,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:34:11,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:34:11,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:34:11,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:34:11,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:34:11,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:34:11,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:34:11,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:34:11,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:34:11,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:34:11,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:34:11,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:34:11,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:34:11,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:34:11,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:34:11,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:34:11,312 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:34:11,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:34:11,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:34:11,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:34:11,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:34:11,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:34:11,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:34:11,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:34:11,316 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:34:11,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:34:11,316 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:34:11,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:34:11,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:34:11,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:34:11,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:34:11,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:34:11,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:34:11,318 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:34:11,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:34:11,318 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:34:11,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:34:11,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:34:11,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:34:11,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:34:11,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:11,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:34:11,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:34:11,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:34:11,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:34:11,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:34:11,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:34:11,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:34:11,321 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:34:11,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:34:11,321 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:34:11,321 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:34:11,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:34:11,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:34:11,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:34:11,639 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:34:11,639 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:34:11,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-08-30 22:34:12,832 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:34:13,009 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:34:13,009 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-08-30 22:34:13,017 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3537c092/eca8bc0e5dd04ab7ad0662af2eeac633/FLAGc561e07f1 [2023-08-30 22:34:13,030 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3537c092/eca8bc0e5dd04ab7ad0662af2eeac633 [2023-08-30 22:34:13,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:34:13,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:34:13,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:13,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:34:13,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:34:13,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db8dcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13, skipping insertion in model container [2023-08-30 22:34:13,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:34:13,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:34:13,236 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-bad-counter-queue2.wvr.c[2271,2284] [2023-08-30 22:34:13,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:13,265 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:34:13,296 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-bad-counter-queue2.wvr.c[2271,2284] [2023-08-30 22:34:13,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:13,314 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:13,314 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:13,319 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:34:13,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13 WrapperNode [2023-08-30 22:34:13,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:13,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:13,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:34:13,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:34:13,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,372 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 140 [2023-08-30 22:34:13,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:13,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:34:13,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:34:13,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:34:13,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:34:13,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:34:13,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:34:13,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:34:13,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (1/1) ... [2023-08-30 22:34:13,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:13,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:34:13,466 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 22:34:13,491 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 22:34:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:34:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:34:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:34:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:34:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:34:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:34:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:34:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:34:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:34:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:34:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:34:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:34:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:34:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:34:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:34:13,509 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 22:34:13,611 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:34:13,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:34:13,868 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:34:14,015 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:34:14,016 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:34:14,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:14 BoogieIcfgContainer [2023-08-30 22:34:14,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:34:14,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:34:14,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:34:14,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:34:14,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:34:13" (1/3) ... [2023-08-30 22:34:14,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d82f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:14, skipping insertion in model container [2023-08-30 22:34:14,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:13" (2/3) ... [2023-08-30 22:34:14,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d82f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:14, skipping insertion in model container [2023-08-30 22:34:14,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:14" (3/3) ... [2023-08-30 22:34:14,027 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2023-08-30 22:34:14,033 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:34:14,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:34:14,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:34:14,048 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:34:14,100 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:34:14,109 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 22:34:14,113 INFO L158 Benchmark]: Toolchain (without parser) took 1076.51ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 46.1MB in the end (delta: 4.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-08-30 22:34:14,113 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:34:14,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.89ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 39.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:34:14,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.27ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 37.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:14,115 INFO L158 Benchmark]: Boogie Preprocessor took 49.38ms. Allocated memory is still 73.4MB. Free memory was 37.0MB in the beginning and 53.2MB in the end (delta: -16.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:14,115 INFO L158 Benchmark]: RCFGBuilder took 595.18ms. Allocated memory is still 73.4MB. Free memory was 53.2MB in the beginning and 27.7MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-30 22:34:14,116 INFO L158 Benchmark]: TraceAbstraction took 90.32ms. Allocated memory is still 73.4MB. Free memory was 27.1MB in the beginning and 46.1MB in the end (delta: -18.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:34:14,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.89ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 39.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.27ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 37.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.38ms. Allocated memory is still 73.4MB. Free memory was 37.0MB in the beginning and 53.2MB in the end (delta: -16.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.18ms. Allocated memory is still 73.4MB. Free memory was 53.2MB in the beginning and 27.7MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 90.32ms. Allocated memory is still 73.4MB. Free memory was 27.1MB in the beginning and 46.1MB in the end (delta: -18.9MB). Peak memory consumption was 4.2MB. 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 22:34:14,136 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-bad-counter-queue2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 --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 22:34:15,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:34:15,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:34:15,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:34:15,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:34:15,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:34:15,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:34:15,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:34:15,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:34:16,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:34:16,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:34:16,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:34:16,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:34:16,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:34:16,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:34:16,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:34:16,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:34:16,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:34:16,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:34:16,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:34:16,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:34:16,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:34:16,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:34:16,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:34:16,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:34:16,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:34:16,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:34:16,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:34:16,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:34:16,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:34:16,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:34:16,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:34:16,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:34:16,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:34:16,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:34:16,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:34:16,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:34:16,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:34:16,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:34:16,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:34:16,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:34:16,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:34:16,079 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:34:16,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:34:16,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:34:16,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:34:16,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:34:16,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:34:16,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:34:16,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:34:16,082 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:34:16,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:34:16,083 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:34:16,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:34:16,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:34:16,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:34:16,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:34:16,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:34:16,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:34:16,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:34:16,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:34:16,085 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:34:16,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:34:16,085 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:34:16,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:34:16,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:34:16,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:34:16,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:34:16,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:16,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:34:16,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:34:16,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:34:16,087 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:34:16,087 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:34:16,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:34:16,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:34:16,088 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:34:16,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:34:16,088 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:34:16,089 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:34:16,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:34:16,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:34:16,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:34:16,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:34:16,393 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:34:16,394 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:34:16,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-08-30 22:34:17,491 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:34:17,681 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:34:17,682 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-08-30 22:34:17,687 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d8b35fb1/d3ea7c95289d4a50bf685857bc72e1e0/FLAG4e355be81 [2023-08-30 22:34:17,697 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d8b35fb1/d3ea7c95289d4a50bf685857bc72e1e0 [2023-08-30 22:34:17,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:34:17,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:34:17,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:17,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:34:17,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:34:17,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:17" (1/1) ... [2023-08-30 22:34:17,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a257c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:17, skipping insertion in model container [2023-08-30 22:34:17,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:17" (1/1) ... [2023-08-30 22:34:17,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:34:17,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:34:17,903 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-bad-counter-queue2.wvr.c[2271,2284] [2023-08-30 22:34:17,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:17,933 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 22:34:17,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:34:17,962 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-bad-counter-queue2.wvr.c[2271,2284] [2023-08-30 22:34:17,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:17,979 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:34:18,009 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-bad-counter-queue2.wvr.c[2271,2284] [2023-08-30 22:34:18,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:18,031 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:18,033 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:18,039 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:34:18,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18 WrapperNode [2023-08-30 22:34:18,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:18,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:18,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:34:18,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:34:18,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,096 INFO L138 Inliner]: procedures = 28, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 136 [2023-08-30 22:34:18,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:18,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:34:18,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:34:18,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:34:18,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,142 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:34:18,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:34:18,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:34:18,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:34:18,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (1/1) ... [2023-08-30 22:34:18,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:18,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:34:18,185 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 22:34:18,204 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 22:34:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:34:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:34:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:34:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:34:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:34:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:34:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:34:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:34:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:34:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:34:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:34:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:34:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:34:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:34:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:34:18,222 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 22:34:18,351 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:34:18,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:34:18,602 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:34:18,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:34:18,742 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:34:18,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:18 BoogieIcfgContainer [2023-08-30 22:34:18,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:34:18,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:34:18,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:34:18,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:34:18,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:34:17" (1/3) ... [2023-08-30 22:34:18,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cced05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:18, skipping insertion in model container [2023-08-30 22:34:18,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:18" (2/3) ... [2023-08-30 22:34:18,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cced05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:18, skipping insertion in model container [2023-08-30 22:34:18,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:18" (3/3) ... [2023-08-30 22:34:18,755 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2023-08-30 22:34:18,761 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:34:18,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:34:18,770 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:34:18,770 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:34:18,840 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:34:18,845 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 22:34:18,852 INFO L158 Benchmark]: Toolchain (without parser) took 1150.43ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 51.4MB in the beginning and 45.5MB in the end (delta: 5.8MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-08-30 22:34:18,852 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:34:18,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.39ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 37.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:34:18,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.77ms. Allocated memory is still 73.4MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:18,854 INFO L158 Benchmark]: Boogie Preprocessor took 55.02ms. Allocated memory is still 73.4MB. Free memory was 35.1MB in the beginning and 33.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:18,855 INFO L158 Benchmark]: RCFGBuilder took 592.43ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 33.3MB in the beginning and 56.7MB in the end (delta: -23.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-08-30 22:34:18,856 INFO L158 Benchmark]: TraceAbstraction took 101.12ms. Allocated memory is still 102.8MB. Free memory was 55.8MB in the beginning and 45.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:34:18,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.39ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 37.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.77ms. Allocated memory is still 73.4MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.02ms. Allocated memory is still 73.4MB. Free memory was 35.1MB in the beginning and 33.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.43ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 33.3MB in the beginning and 56.7MB in the end (delta: -23.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 101.12ms. Allocated memory is still 102.8MB. Free memory was 55.8MB in the beginning and 45.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. 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 22:34:18,890 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