./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-time-symm.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/chl-time-symm.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 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa --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 22:33:09,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:33:09,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:33:09,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:33:09,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:33:09,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:33:09,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:33:09,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:33:09,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:33:09,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:33:09,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:33:09,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:33:09,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:33:09,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:33:09,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:33:09,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:33:09,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:33:09,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:33:09,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:33:09,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:33:09,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:33:09,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:33:09,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:33:09,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:33:09,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:33:09,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:33:09,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:33:09,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:33:09,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:33:09,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:33:09,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:33:09,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:33:09,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:33:09,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:33:09,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:33:09,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:33:09,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:33:09,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:33:09,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:33:09,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:33:09,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:33:09,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:33:09,575 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:33:09,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:33:09,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:33:09,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:33:09,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:33:09,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:33:09,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:33:09,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:33:09,579 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:33:09,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:33:09,580 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:33:09,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:33:09,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:33:09,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:33:09,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:33:09,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:33:09,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:33:09,582 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:33:09,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:33:09,582 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:33:09,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:33:09,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:33:09,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:33:09,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:33:09,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:33:09,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:33:09,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:33:09,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:33:09,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:33:09,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:33:09,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:33:09,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:33:09,585 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:33:09,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:33:09,585 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:33:09,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:33:09,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:33:09,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:33:09,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:33:09,895 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:33:09,896 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:33:09,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-08-30 22:33:11,131 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:33:11,336 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:33:11,336 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-08-30 22:33:11,343 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9287049a6/037b33b04ee542c89baafd36ea18321d/FLAG14f5948a4 [2023-08-30 22:33:11,367 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9287049a6/037b33b04ee542c89baafd36ea18321d [2023-08-30 22:33:11,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:33:11,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:33:11,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:33:11,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:33:11,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:33:11,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29971517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11, skipping insertion in model container [2023-08-30 22:33:11,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:33:11,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:33:11,578 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/chl-time-symm.wvr.c[2494,2507] [2023-08-30 22:33:11,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:33:11,599 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:33:11,630 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/chl-time-symm.wvr.c[2494,2507] [2023-08-30 22:33:11,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:33:11,642 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:33:11,643 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:33:11,648 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:33:11,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11 WrapperNode [2023-08-30 22:33:11,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:33:11,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:33:11,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:33:11,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:33:11,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,697 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 154 [2023-08-30 22:33:11,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:33:11,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:33:11,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:33:11,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:33:11,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,734 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:33:11,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:33:11,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:33:11,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:33:11,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (1/1) ... [2023-08-30 22:33:11,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:33:11,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:33:11,780 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 22:33:11,782 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 22:33:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:33:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:33:11,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:33:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:33:11,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:33:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:33:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:33:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:33:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:33:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:33:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:33:11,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:33:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:33:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:33:11,813 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 22:33:11,901 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:33:11,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:33:12,210 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:33:12,470 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:33:12,470 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:33:12,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:33:12 BoogieIcfgContainer [2023-08-30 22:33:12,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:33:12,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:33:12,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:33:12,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:33:12,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:33:11" (1/3) ... [2023-08-30 22:33:12,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3ac580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:33:12, skipping insertion in model container [2023-08-30 22:33:12,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:11" (2/3) ... [2023-08-30 22:33:12,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3ac580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:33:12, skipping insertion in model container [2023-08-30 22:33:12,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:33:12" (3/3) ... [2023-08-30 22:33:12,481 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2023-08-30 22:33:12,489 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:33:12,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:33:12,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:33:12,497 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:33:12,553 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:33:12,558 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 22:33:12,564 INFO L158 Benchmark]: Toolchain (without parser) took 1191.26ms. Allocated memory is still 81.8MB. Free memory was 61.5MB in the beginning and 38.0MB in the end (delta: 23.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-08-30 22:33:12,564 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:33:12,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.63ms. Allocated memory is still 81.8MB. Free memory was 61.5MB in the beginning and 50.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:33:12,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.67ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 48.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:33:12,567 INFO L158 Benchmark]: Boogie Preprocessor took 48.31ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 46.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:33:12,567 INFO L158 Benchmark]: RCFGBuilder took 723.89ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 47.3MB in the end (delta: -492.4kB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-08-30 22:33:12,568 INFO L158 Benchmark]: TraceAbstraction took 86.04ms. Allocated memory is still 81.8MB. Free memory was 46.9MB in the beginning and 38.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:33:12,574 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 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.63ms. Allocated memory is still 81.8MB. Free memory was 61.5MB in the beginning and 50.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.67ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 48.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.31ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 46.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.89ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 47.3MB in the end (delta: -492.4kB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 86.04ms. Allocated memory is still 81.8MB. Free memory was 46.9MB in the beginning and 38.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. 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 22:33:12,596 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 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/chl-time-symm.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 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa --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 22:33:14,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:33:14,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:33:14,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:33:14,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:33:14,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:33:14,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:33:14,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:33:14,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:33:14,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:33:14,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:33:14,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:33:14,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:33:14,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:33:14,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:33:14,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:33:14,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:33:14,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:33:14,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:33:14,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:33:14,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:33:14,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:33:14,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:33:14,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:33:14,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:33:14,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:33:14,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:33:14,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:33:14,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:33:14,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:33:14,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:33:14,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:33:14,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:33:14,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:33:14,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:33:14,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:33:14,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:33:14,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:33:14,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:33:14,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:33:14,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:33:14,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:33:14,622 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:33:14,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:33:14,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:33:14,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:33:14,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:33:14,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:33:14,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:33:14,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:33:14,625 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:33:14,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:33:14,626 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:33:14,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:33:14,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:33:14,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:33:14,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:33:14,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:33:14,628 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:33:14,628 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:33:14,628 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:33:14,628 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:33:14,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:33:14,629 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:33:14,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:33:14,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:33:14,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:33:14,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:33:14,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:33:14,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:33:14,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:33:14,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:33:14,630 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:33:14,631 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:33:14,631 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:33:14,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:33:14,631 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:33:14,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:33:14,632 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:33:14,632 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:33:14,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bbcf79bf9ab9dc66dc1f84247eb131a6de5c94da8e4a071481d48ca23ad8fa Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:33:14,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:33:14,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:33:14,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:33:14,960 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:33:14,961 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:33:14,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-08-30 22:33:16,124 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:33:16,315 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:33:16,316 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-08-30 22:33:16,322 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ee2cb58/9ad6b27c66ab4de780acb2d1a5f5486f/FLAG3ec7652b9 [2023-08-30 22:33:16,339 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ee2cb58/9ad6b27c66ab4de780acb2d1a5f5486f [2023-08-30 22:33:16,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:33:16,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:33:16,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:33:16,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:33:16,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:33:16,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef69830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16, skipping insertion in model container [2023-08-30 22:33:16,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:33:16,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:33:16,551 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/chl-time-symm.wvr.c[2494,2507] [2023-08-30 22:33:16,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:33:16,572 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:33:16,622 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/chl-time-symm.wvr.c[2494,2507] [2023-08-30 22:33:16,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:33:16,637 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:33:16,637 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:33:16,643 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:33:16,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16 WrapperNode [2023-08-30 22:33:16,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:33:16,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:33:16,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:33:16,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:33:16,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,696 INFO L138 Inliner]: procedures = 24, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 144 [2023-08-30 22:33:16,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:33:16,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:33:16,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:33:16,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:33:16,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,738 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:33:16,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:33:16,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:33:16,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:33:16,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (1/1) ... [2023-08-30 22:33:16,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:33:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:33:16,777 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 22:33:16,797 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 22:33:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:33:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:33:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:33:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:33:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:33:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:33:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:33:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:33:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:33:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:33:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:33:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:33:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:33:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:33:16,819 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 22:33:16,905 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:33:16,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:33:17,240 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:33:17,519 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:33:17,519 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:33:17,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:33:17 BoogieIcfgContainer [2023-08-30 22:33:17,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:33:17,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:33:17,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:33:17,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:33:17,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:33:16" (1/3) ... [2023-08-30 22:33:17,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7057f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:33:17, skipping insertion in model container [2023-08-30 22:33:17,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:33:16" (2/3) ... [2023-08-30 22:33:17,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7057f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:33:17, skipping insertion in model container [2023-08-30 22:33:17,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:33:17" (3/3) ... [2023-08-30 22:33:17,529 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2023-08-30 22:33:17,536 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:33:17,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:33:17,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:33:17,544 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:33:17,603 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:33:17,609 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 22:33:17,614 INFO L158 Benchmark]: Toolchain (without parser) took 1269.31ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 44.1MB in the beginning and 57.6MB in the end (delta: -13.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-08-30 22:33:17,615 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:33:17,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.76ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 50.2MB in the end (delta: -6.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-08-30 22:33:17,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.19ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 48.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:33:17,617 INFO L158 Benchmark]: Boogie Preprocessor took 52.04ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:33:17,617 INFO L158 Benchmark]: RCFGBuilder took 771.94ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 32.3MB in the end (delta: 14.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-08-30 22:33:17,618 INFO L158 Benchmark]: TraceAbstraction took 88.36ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 31.6MB in the beginning and 57.6MB in the end (delta: -26.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:33:17,620 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 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.76ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 50.2MB in the end (delta: -6.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.19ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 48.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.04ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 771.94ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 32.3MB in the end (delta: 14.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 88.36ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 31.6MB in the beginning and 57.6MB in the end (delta: -26.0MB). 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 22:33:17,636 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