./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy11.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/test-easy11.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 a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 --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 22:35:45,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:35:45,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:35:45,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:35:45,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:35:45,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:35:45,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:35:45,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:35:45,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:35:45,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:35:45,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:35:45,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:35:45,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:35:45,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:35:45,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:35:45,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:35:45,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:35:45,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:35:45,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:35:45,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:35:45,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:35:45,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:35:45,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:35:45,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:35:45,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:35:45,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:35:45,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:35:45,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:35:45,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:35:45,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:35:45,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:35:45,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:35:45,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:35:45,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:35:45,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:35:45,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:35:45,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:35:45,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:35:45,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:35:45,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:35:45,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:35:45,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:35:45,878 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:35:45,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:35:45,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:35:45,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:35:45,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:35:45,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:35:45,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:35:45,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:35:45,881 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:35:45,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:35:45,881 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:35:45,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:35:45,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:35:45,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:35:45,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:35:45,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:35:45,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:35:45,882 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:35:45,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:35:45,883 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:35:45,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:35:45,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:35:45,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:35:45,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:35:45,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:45,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:35:45,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:35:45,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:35:45,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:35:45,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:35:45,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:35:45,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:35:45,885 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:35:45,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:35:45,885 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:35:45,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:35:46,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:35:46,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:35:46,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:35:46,133 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:35:46,133 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:35:46,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c [2023-08-30 22:35:47,016 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:35:47,194 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:35:47,194 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c [2023-08-30 22:35:47,204 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a82ff8b/2b18d85436b540819fadefffdb047b24/FLAG301d0c098 [2023-08-30 22:35:47,220 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a82ff8b/2b18d85436b540819fadefffdb047b24 [2023-08-30 22:35:47,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:35:47,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:35:47,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:47,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:35:47,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:35:47,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2add5961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47, skipping insertion in model container [2023-08-30 22:35:47,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:35:47,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:47,381 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/test-easy11.wvr.c[2005,2018] [2023-08-30 22:35:47,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:47,392 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:35:47,410 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/test-easy11.wvr.c[2005,2018] [2023-08-30 22:35:47,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:47,420 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:47,421 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:47,425 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:35:47,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47 WrapperNode [2023-08-30 22:35:47,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:47,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:47,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:35:47,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:35:47,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,451 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-08-30 22:35:47,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:47,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:35:47,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:35:47,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:35:47,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:35:47,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:35:47,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:35:47,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:35:47,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (1/1) ... [2023-08-30 22:35:47,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:47,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:35:47,504 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 22:35:47,521 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 22:35:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:35:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:35:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:35:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:35:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:35:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:35:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:35:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:35:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:35:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:35:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:35:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:35:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:35:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:35:47,538 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 22:35:47,608 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:35:47,609 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:35:47,735 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:35:47,740 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:35:47,741 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 22:35:47,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:47 BoogieIcfgContainer [2023-08-30 22:35:47,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:35:47,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:35:47,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:35:47,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:35:47,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:35:47" (1/3) ... [2023-08-30 22:35:47,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545c61a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:47, skipping insertion in model container [2023-08-30 22:35:47,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:47" (2/3) ... [2023-08-30 22:35:47,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545c61a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:47, skipping insertion in model container [2023-08-30 22:35:47,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:47" (3/3) ... [2023-08-30 22:35:47,747 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy11.wvr.c [2023-08-30 22:35:47,753 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:35:47,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:35:47,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:35:47,765 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:35:47,820 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:35:47,832 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 22:35:47,835 INFO L158 Benchmark]: Toolchain (without parser) took 611.74ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 43.3MB in the end (delta: 11.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-08-30 22:35:47,835 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:47,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.48ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 44.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:35:47,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.98ms. Allocated memory is still 77.6MB. Free memory was 43.9MB in the beginning and 42.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:47,836 INFO L158 Benchmark]: Boogie Preprocessor took 30.31ms. Allocated memory is still 77.6MB. Free memory was 42.5MB in the beginning and 41.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:47,836 INFO L158 Benchmark]: RCFGBuilder took 259.03ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 50.2MB in the end (delta: -9.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-08-30 22:35:47,837 INFO L158 Benchmark]: TraceAbstraction took 90.38ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 43.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:35:47,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.48ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 44.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.98ms. Allocated memory is still 77.6MB. Free memory was 43.9MB in the beginning and 42.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.31ms. Allocated memory is still 77.6MB. Free memory was 42.5MB in the beginning and 41.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.03ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 50.2MB in the end (delta: -9.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * TraceAbstraction took 90.38ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 43.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:35:47,859 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/test-easy11.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 a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 --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 22:35:49,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:35:49,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:35:49,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:35:49,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:35:49,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:35:49,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:35:49,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:35:49,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:35:49,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:35:49,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:35:49,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:35:49,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:35:49,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:35:49,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:35:49,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:35:49,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:35:49,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:35:49,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:35:49,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:35:49,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:35:49,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:35:49,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:35:49,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:35:49,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:35:49,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:35:49,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:35:49,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:35:49,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:35:49,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:35:49,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:35:49,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:35:49,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:35:49,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:35:49,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:35:49,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:35:49,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:35:49,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:35:49,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:35:49,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:35:49,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:35:49,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:35:49,435 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:35:49,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:35:49,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:35:49,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:35:49,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:35:49,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:35:49,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:35:49,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:35:49,436 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:35:49,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:35:49,436 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:35:49,437 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:35:49,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:49,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:35:49,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:35:49,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:35:49,439 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:35:49,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:35:49,439 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:35:49,439 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:35:49,439 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a686a41ee4cc6bbffea13719827ccaf379a83824b0020cd9f2e7eecebabb9242 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:35:49,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:35:49,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:35:49,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:35:49,702 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:35:49,702 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:35:49,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c [2023-08-30 22:35:50,585 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:35:50,752 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:35:50,752 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c [2023-08-30 22:35:50,760 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e50b8d39/7749a95af9f34f9595c5c9e70ab1e463/FLAG4887d2860 [2023-08-30 22:35:50,768 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e50b8d39/7749a95af9f34f9595c5c9e70ab1e463 [2023-08-30 22:35:50,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:35:50,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:35:50,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:50,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:35:50,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:35:50,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:50,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bfb6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50, skipping insertion in model container [2023-08-30 22:35:50,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:50,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:35:50,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:50,909 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/test-easy11.wvr.c[2005,2018] [2023-08-30 22:35:50,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:50,922 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:35:50,941 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/test-easy11.wvr.c[2005,2018] [2023-08-30 22:35:50,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:50,949 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:50,950 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:50,954 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:35:50,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50 WrapperNode [2023-08-30 22:35:50,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:50,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:50,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:35:50,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:35:50,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:50,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:50,984 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-08-30 22:35:50,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:50,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:35:50,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:35:50,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:35:50,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:50,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:51,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:51,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:51,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:51,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:51,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:51,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:51,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:35:51,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:35:51,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:35:51,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:35:51,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (1/1) ... [2023-08-30 22:35:51,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:51,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:35:51,101 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 22:35:51,106 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 22:35:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:35:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:35:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:35:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:35:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:35:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:35:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:35:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:35:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:35:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:35:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:35:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:35:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:35:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:35:51,130 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 22:35:51,202 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:35:51,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:35:51,328 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:35:51,332 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:35:51,332 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 22:35:51,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:51 BoogieIcfgContainer [2023-08-30 22:35:51,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:35:51,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:35:51,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:35:51,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:35:51,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:35:50" (1/3) ... [2023-08-30 22:35:51,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6482ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:51, skipping insertion in model container [2023-08-30 22:35:51,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:50" (2/3) ... [2023-08-30 22:35:51,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6482ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:51, skipping insertion in model container [2023-08-30 22:35:51,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:51" (3/3) ... [2023-08-30 22:35:51,339 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy11.wvr.c [2023-08-30 22:35:51,343 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:35:51,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:35:51,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:35:51,365 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:35:51,440 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:35:51,447 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 22:35:51,453 INFO L158 Benchmark]: Toolchain (without parser) took 681.92ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 28.9MB in the end (delta: 16.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-08-30 22:35:51,454 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:51,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.42ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 34.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:35:51,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.42ms. Allocated memory is still 67.1MB. Free memory was 34.2MB in the beginning and 32.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:51,455 INFO L158 Benchmark]: Boogie Preprocessor took 40.84ms. Allocated memory is still 67.1MB. Free memory was 32.7MB in the beginning and 31.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:51,456 INFO L158 Benchmark]: RCFGBuilder took 307.04ms. Allocated memory is still 67.1MB. Free memory was 31.3MB in the beginning and 36.8MB in the end (delta: -5.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-08-30 22:35:51,456 INFO L158 Benchmark]: TraceAbstraction took 116.51ms. Allocated memory is still 67.1MB. Free memory was 36.0MB in the beginning and 28.9MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:35:51,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.42ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 34.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.42ms. Allocated memory is still 67.1MB. Free memory was 34.2MB in the beginning and 32.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.84ms. Allocated memory is still 67.1MB. Free memory was 32.7MB in the beginning and 31.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.04ms. Allocated memory is still 67.1MB. Free memory was 31.3MB in the beginning and 36.8MB in the end (delta: -5.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * TraceAbstraction took 116.51ms. Allocated memory is still 67.1MB. Free memory was 36.0MB in the beginning and 28.9MB in the end (delta: 7.1MB). 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 22:35:51,481 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