./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a12f7bc3d94ecbf6fd25030121af7b8c4b258a536df3d333f191aa6387ec429b --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 02:05:29,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:05:29,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:05:29,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:05:29,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:05:29,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:05:29,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:05:29,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:05:29,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:05:29,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:05:29,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:05:29,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:05:29,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:05:29,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:05:29,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:05:29,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:05:29,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:05:29,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:05:29,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:05:29,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:05:29,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:05:29,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:05:29,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:05:29,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:05:29,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:05:29,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:05:29,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:05:29,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:05:29,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:05:29,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:05:29,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:05:29,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:05:29,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:05:29,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:05:29,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:05:29,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:05:29,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:05:29,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:05:29,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:05:29,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:05:29,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:05:29,784 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:05:29,814 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:05:29,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:05:29,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:05:29,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:05:29,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:05:29,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:05:29,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:05:29,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:05:29,817 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:05:29,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:05:29,818 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:05:29,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:05:29,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:05:29,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:05:29,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:05:29,818 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:05:29,818 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:05:29,819 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:05:29,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:05:29,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:05:29,819 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:05:29,819 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:05:29,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:05:29,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:05:29,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:05:29,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:05:29,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:05:29,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:05:29,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:05:29,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:05:29,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:05:29,821 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:05:29,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:05:29,821 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:05:29,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a12f7bc3d94ecbf6fd25030121af7b8c4b258a536df3d333f191aa6387ec429b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:05:30,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:05:30,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:05:30,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:05:30,065 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:05:30,066 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:05:30,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2023-08-30 02:05:31,036 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:05:31,170 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:05:31,170 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2023-08-30 02:05:31,176 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9adf7f9/d11134569b824e1fbc9398a47e95ee22/FLAG3d76999b0 [2023-08-30 02:05:31,193 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9adf7f9/d11134569b824e1fbc9398a47e95ee22 [2023-08-30 02:05:31,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:05:31,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:05:31,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:05:31,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:05:31,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:05:31,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2088d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31, skipping insertion in model container [2023-08-30 02:05:31,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:05:31,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:05:31,384 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2023-08-30 02:05:31,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:05:31,399 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:05:31,433 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2023-08-30 02:05:31,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:05:31,440 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:05:31,441 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:05:31,445 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:05:31,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31 WrapperNode [2023-08-30 02:05:31,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:05:31,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:05:31,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:05:31,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:05:31,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,484 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2023-08-30 02:05:31,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:05:31,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:05:31,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:05:31,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:05:31,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:05:31,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:05:31,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:05:31,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:05:31,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (1/1) ... [2023-08-30 02:05:31,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:05:31,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:05:31,532 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 02:05:31,537 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 02:05:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:05:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:05:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:05:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:05:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 02:05:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 02:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 02:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 02:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:05:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:05:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:05:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:05:31,565 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 02:05:31,628 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:05:31,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:05:31,897 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:05:31,928 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:05:31,928 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 02:05:31,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:05:31 BoogieIcfgContainer [2023-08-30 02:05:31,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:05:31,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:05:31,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:05:31,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:05:31,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:05:31" (1/3) ... [2023-08-30 02:05:31,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96cce67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:05:31, skipping insertion in model container [2023-08-30 02:05:31,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:31" (2/3) ... [2023-08-30 02:05:31,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96cce67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:05:31, skipping insertion in model container [2023-08-30 02:05:31,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:05:31" (3/3) ... [2023-08-30 02:05:31,936 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2023-08-30 02:05:31,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:05:31,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-30 02:05:31,948 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:05:32,019 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 02:05:32,024 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 02:05:32,027 INFO L158 Benchmark]: Toolchain (without parser) took 830.12ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 50.7MB in the end (delta: -17.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-08-30 02:05:32,027 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:05:32,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.90ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 37.3MB in the end (delta: -3.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-08-30 02:05:32,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.67ms. Allocated memory is still 62.9MB. Free memory was 37.3MB in the beginning and 35.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:05:32,029 INFO L158 Benchmark]: Boogie Preprocessor took 16.42ms. Allocated memory is still 62.9MB. Free memory was 35.6MB in the beginning and 34.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 02:05:32,029 INFO L158 Benchmark]: RCFGBuilder took 428.33ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 29.6MB in the end (delta: 4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 02:05:32,030 INFO L158 Benchmark]: TraceAbstraction took 94.66ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.0MB in the beginning and 50.7MB in the end (delta: -21.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-08-30 02:05:32,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.90ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 37.3MB in the end (delta: -3.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.67ms. Allocated memory is still 62.9MB. Free memory was 37.3MB in the beginning and 35.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.42ms. Allocated memory is still 62.9MB. Free memory was 35.6MB in the beginning and 34.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 428.33ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 29.6MB in the end (delta: 4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 94.66ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.0MB in the beginning and 50.7MB in the end (delta: -21.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 02:05:32,044 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a12f7bc3d94ecbf6fd25030121af7b8c4b258a536df3d333f191aa6387ec429b --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 02:05:33,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:05:33,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:05:33,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:05:33,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:05:33,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:05:33,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:05:33,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:05:33,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:05:33,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:05:33,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:05:33,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:05:33,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:05:33,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:05:33,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:05:33,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:05:33,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:05:33,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:05:33,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:05:33,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:05:33,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:05:33,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:05:33,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:05:33,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:05:33,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:05:33,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:05:33,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:05:33,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:05:33,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:05:33,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:05:33,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:05:33,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:05:33,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:05:33,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:05:33,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:05:33,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:05:33,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:05:33,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:05:33,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:05:33,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:05:33,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:05:33,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:05:33,716 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:05:33,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:05:33,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:05:33,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:05:33,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:05:33,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:05:33,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:05:33,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:05:33,718 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:05:33,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:05:33,718 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:05:33,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:05:33,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:05:33,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:05:33,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:05:33,719 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:05:33,719 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:05:33,719 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:05:33,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:05:33,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:05:33,719 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:05:33,719 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:05:33,719 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:05:33,720 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:05:33,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:05:33,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:05:33,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:05:33,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:05:33,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:05:33,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:05:33,722 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:05:33,722 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:05:33,722 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:05:33,722 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:05:33,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:05:33,722 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:05:33,723 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:05:33,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a12f7bc3d94ecbf6fd25030121af7b8c4b258a536df3d333f191aa6387ec429b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:05:33,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:05:33,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:05:33,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:05:33,968 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:05:33,968 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:05:33,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2023-08-30 02:05:34,930 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:05:35,120 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:05:35,121 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2023-08-30 02:05:35,125 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33cfaa040/374f1ed843d148858f33155b4f0bff8d/FLAG69419cd03 [2023-08-30 02:05:35,138 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33cfaa040/374f1ed843d148858f33155b4f0bff8d [2023-08-30 02:05:35,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:05:35,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:05:35,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:05:35,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:05:35,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:05:35,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b6a3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35, skipping insertion in model container [2023-08-30 02:05:35,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:05:35,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:05:35,310 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2023-08-30 02:05:35,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:05:35,330 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:05:35,360 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2023-08-30 02:05:35,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:05:35,368 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:05:35,368 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:05:35,373 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:05:35,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35 WrapperNode [2023-08-30 02:05:35,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:05:35,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:05:35,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:05:35,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:05:35,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,434 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2023-08-30 02:05:35,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:05:35,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:05:35,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:05:35,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:05:35,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,474 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:05:35,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:05:35,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:05:35,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:05:35,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (1/1) ... [2023-08-30 02:05:35,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:05:35,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:05:35,502 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 02:05:35,505 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 02:05:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:05:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:05:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:05:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:05:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:05:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 02:05:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 02:05:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:05:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:05:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 02:05:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 02:05:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:05:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:05:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:05:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:05:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:05:35,535 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 02:05:35,608 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:05:35,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:05:35,841 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:05:35,900 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:05:35,900 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 02:05:35,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:05:35 BoogieIcfgContainer [2023-08-30 02:05:35,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:05:35,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:05:35,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:05:35,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:05:35,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:05:35" (1/3) ... [2023-08-30 02:05:35,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3429fb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:05:35, skipping insertion in model container [2023-08-30 02:05:35,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:35" (2/3) ... [2023-08-30 02:05:35,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3429fb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:05:35, skipping insertion in model container [2023-08-30 02:05:35,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:05:35" (3/3) ... [2023-08-30 02:05:35,912 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2023-08-30 02:05:35,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:05:35,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-30 02:05:35,925 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:05:36,025 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 02:05:36,030 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 02:05:36,034 INFO L158 Benchmark]: Toolchain (without parser) took 891.88ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.0MB in the beginning and 48.3MB in the end (delta: -11.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-08-30 02:05:36,034 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 26.4MB in the beginning and 26.4MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:05:36,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.78ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 25.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 02:05:36,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 58.7MB. Free memory was 24.8MB in the beginning and 39.0MB in the end (delta: -14.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 02:05:36,036 INFO L158 Benchmark]: Boogie Preprocessor took 45.57ms. Allocated memory is still 58.7MB. Free memory was 39.0MB in the beginning and 37.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:05:36,037 INFO L158 Benchmark]: RCFGBuilder took 421.01ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.3MB in the beginning and 39.5MB in the end (delta: -2.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-08-30 02:05:36,037 INFO L158 Benchmark]: TraceAbstraction took 129.01ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 48.3MB in the end (delta: -9.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-08-30 02:05:36,041 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 48.2MB. Free memory was 26.4MB in the beginning and 26.4MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.78ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 25.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 58.7MB. Free memory was 24.8MB in the beginning and 39.0MB in the end (delta: -14.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.57ms. Allocated memory is still 58.7MB. Free memory was 39.0MB in the beginning and 37.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.01ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.3MB in the beginning and 39.5MB in the end (delta: -2.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 129.01ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 48.3MB in the end (delta: -9.5MB). Peak memory consumption was 11.3MB. 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 02:05:36,065 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