./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy8.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-easy8.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 47144ed0d9aa05bca24cc8eb2abad54106f6919871c7945daa183bed78f0ad25 --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 22:35:47,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:35:47,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:35:47,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:35:47,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:35:47,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:35:47,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:35:47,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:35:47,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:35:47,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:35:47,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:35:47,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:35:47,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:35:47,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:35:47,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:35:47,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:35:47,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:35:47,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:35:47,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:35:47,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:35:47,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:35:47,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:35:47,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:35:47,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:35:47,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:35:47,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:35:47,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:35:47,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:35:47,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:35:47,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:35:47,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:35:47,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:35:47,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:35:47,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:35:47,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:35:47,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:35:47,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:35:47,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:35:47,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:35:47,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:35:47,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:35:47,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:35:47,815 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:35:47,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:35:47,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:35:47,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:35:47,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:35:47,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:35:47,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:35:47,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:35:47,818 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:35:47,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:35:47,819 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:35:47,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:35:47,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:35:47,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:35:47,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:35:47,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:35:47,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:35:47,820 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:35:47,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:35:47,821 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:35:47,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:35:47,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:35:47,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:35:47,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:35:47,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:47,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:35:47,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:35:47,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:35:47,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:35:47,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:35:47,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:35:47,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:35:47,824 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:35:47,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:35:47,824 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:35:47,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47144ed0d9aa05bca24cc8eb2abad54106f6919871c7945daa183bed78f0ad25 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:35:48,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:35:48,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:35:48,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:35:48,190 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:35:48,190 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:35:48,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c [2023-08-30 22:35:49,419 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:35:49,578 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:35:49,579 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy8.wvr.c [2023-08-30 22:35:49,587 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef116f5c/32c83d91950649b5afcd8dcb5258a039/FLAGdb5312844 [2023-08-30 22:35:49,605 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef116f5c/32c83d91950649b5afcd8dcb5258a039 [2023-08-30 22:35:49,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:35:49,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:35:49,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:49,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:35:49,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:35:49,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4513550e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49, skipping insertion in model container [2023-08-30 22:35:49,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:35:49,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:49,807 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-easy8.wvr.c[1981,1994] [2023-08-30 22:35:49,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:49,820 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:35:49,837 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-easy8.wvr.c[1981,1994] [2023-08-30 22:35:49,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:49,851 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:49,853 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:49,858 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:35:49,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49 WrapperNode [2023-08-30 22:35:49,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:49,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:49,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:35:49,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:35:49,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,897 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-08-30 22:35:49,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:49,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:35:49,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:35:49,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:35:49,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,932 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:35:49,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:35:49,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:35:49,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:35:49,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (1/1) ... [2023-08-30 22:35:49,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:49,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:35:49,970 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 22:35:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:35:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:35:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:35:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:35:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:35:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:35:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:35:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:35:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:35:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:35:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:35:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:35:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:35:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:35:50,016 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 22:35:50,005 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 22:35:50,117 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:35:50,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:35:50,317 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:35:50,341 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:35:50,341 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:35:50,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:50 BoogieIcfgContainer [2023-08-30 22:35:50,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:35:50,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:35:50,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:35:50,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:35:50,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:35:49" (1/3) ... [2023-08-30 22:35:50,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24963fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:50, skipping insertion in model container [2023-08-30 22:35:50,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:49" (2/3) ... [2023-08-30 22:35:50,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24963fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:50, skipping insertion in model container [2023-08-30 22:35:50,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:50" (3/3) ... [2023-08-30 22:35:50,353 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2023-08-30 22:35:50,360 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:35:50,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:35:50,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:35:50,375 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:35:50,421 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:35:50,427 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 22:35:50,431 INFO L158 Benchmark]: Toolchain (without parser) took 821.75ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 47.3MB in the end (delta: -7.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-08-30 22:35:50,431 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:50,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.51ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 47.7MB in the end (delta: -7.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:50,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.47ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 46.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:50,434 INFO L158 Benchmark]: Boogie Preprocessor took 40.61ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:50,435 INFO L158 Benchmark]: RCFGBuilder took 403.35ms. Allocated memory is still 71.3MB. Free memory was 44.8MB in the beginning and 32.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:35:50,435 INFO L158 Benchmark]: TraceAbstraction took 82.00ms. Allocated memory is still 71.3MB. Free memory was 31.7MB in the beginning and 47.3MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:35:50,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.51ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 47.7MB in the end (delta: -7.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.47ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 46.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.61ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.35ms. Allocated memory is still 71.3MB. Free memory was 44.8MB in the beginning and 32.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 82.00ms. Allocated memory is still 71.3MB. Free memory was 31.7MB in the beginning and 47.3MB in the end (delta: -15.7MB). 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 22:35:50,465 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/test-easy8.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 47144ed0d9aa05bca24cc8eb2abad54106f6919871c7945daa183bed78f0ad25 --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 22:35:52,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:35:52,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:35:52,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:35:52,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:35:52,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:35:52,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:35:52,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:35:52,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:35:52,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:35:52,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:35:52,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:35:52,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:35:52,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:35:52,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:35:52,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:35:52,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:35:52,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:35:52,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:35:52,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:35:52,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:35:52,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:35:52,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:35:52,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:35:52,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:35:52,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:35:52,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:35:52,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:35:52,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:35:52,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:35:52,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:35:52,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:35:52,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:35:52,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:35:52,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:35:52,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:35:52,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:35:52,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:35:52,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:35:52,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:35:52,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:35:52,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:35:52,507 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:35:52,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:35:52,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:35:52,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:35:52,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:35:52,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:35:52,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:35:52,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:35:52,511 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:35:52,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:35:52,512 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:35:52,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:35:52,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:35:52,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:35:52,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:35:52,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:35:52,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:35:52,513 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:35:52,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:35:52,514 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:35:52,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:35:52,514 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:35:52,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:35:52,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:35:52,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:35:52,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:35:52,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:52,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:35:52,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:35:52,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:35:52,516 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:35:52,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:35:52,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:35:52,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:35:52,517 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:35:52,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:35:52,517 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:35:52,517 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:35:52,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47144ed0d9aa05bca24cc8eb2abad54106f6919871c7945daa183bed78f0ad25 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:35:52,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:35:52,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:35:52,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:35:52,862 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:35:52,862 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:35:52,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c [2023-08-30 22:35:54,097 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:35:54,317 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:35:54,317 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy8.wvr.c [2023-08-30 22:35:54,322 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce100f88/1611f81ca73045688e50a47669665994/FLAG55bab0b6b [2023-08-30 22:35:54,336 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce100f88/1611f81ca73045688e50a47669665994 [2023-08-30 22:35:54,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:35:54,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:35:54,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:54,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:35:54,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:35:54,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d2de38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54, skipping insertion in model container [2023-08-30 22:35:54,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:35:54,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:54,488 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-easy8.wvr.c[1981,1994] [2023-08-30 22:35:54,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:54,508 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:35:54,528 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-easy8.wvr.c[1981,1994] [2023-08-30 22:35:54,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:54,539 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:54,539 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:54,545 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:35:54,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54 WrapperNode [2023-08-30 22:35:54,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:54,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:54,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:35:54,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:35:54,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,585 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-08-30 22:35:54,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:54,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:35:54,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:35:54,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:35:54,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,627 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:35:54,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:35:54,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:35:54,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:35:54,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (1/1) ... [2023-08-30 22:35:54,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:54,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:35:54,686 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 22:35:54,733 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 22:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:35:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:35:54,746 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 22:35:54,851 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:35:54,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:35:55,019 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:35:55,059 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:35:55,059 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:35:55,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:55 BoogieIcfgContainer [2023-08-30 22:35:55,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:35:55,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:35:55,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:35:55,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:35:55,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:35:54" (1/3) ... [2023-08-30 22:35:55,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492c1b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:55, skipping insertion in model container [2023-08-30 22:35:55,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:54" (2/3) ... [2023-08-30 22:35:55,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492c1b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:55, skipping insertion in model container [2023-08-30 22:35:55,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:55" (3/3) ... [2023-08-30 22:35:55,072 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2023-08-30 22:35:55,079 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:35:55,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:35:55,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:35:55,087 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:35:55,155 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:35:55,166 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 22:35:55,170 INFO L158 Benchmark]: Toolchain (without parser) took 830.61ms. Allocated memory is still 71.3MB. Free memory was 49.2MB in the beginning and 32.7MB in the end (delta: 16.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-08-30 22:35:55,171 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:55,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.43ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 38.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:35:55,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.76ms. Allocated memory is still 71.3MB. Free memory was 38.1MB in the beginning and 36.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:55,172 INFO L158 Benchmark]: Boogie Preprocessor took 47.23ms. Allocated memory is still 71.3MB. Free memory was 36.6MB in the beginning and 35.4MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:35:55,173 INFO L158 Benchmark]: RCFGBuilder took 430.15ms. Allocated memory is still 71.3MB. Free memory was 35.4MB in the beginning and 39.9MB in the end (delta: -4.6MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:55,173 INFO L158 Benchmark]: TraceAbstraction took 101.46ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 32.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:35:55,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.43ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 38.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.76ms. Allocated memory is still 71.3MB. Free memory was 38.1MB in the beginning and 36.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.23ms. Allocated memory is still 71.3MB. Free memory was 36.6MB in the beginning and 35.4MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 430.15ms. Allocated memory is still 71.3MB. Free memory was 35.4MB in the beginning and 39.9MB in the end (delta: -4.6MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * TraceAbstraction took 101.46ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 32.7MB in the end (delta: 6.7MB). 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 22:35:55,192 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