./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 --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 12:33:31,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:31,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:31,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:31,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:31,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:31,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:31,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:31,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:31,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:31,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:31,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:31,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:31,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:31,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:31,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:31,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:31,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:31,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:31,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:31,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:31,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:31,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:31,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:31,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:31,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:31,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:31,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:31,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:31,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:31,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:31,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:31,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:31,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:31,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:31,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:31,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:31,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:31,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:31,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:31,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:31,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:33:31,862 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:31,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:31,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:31,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:31,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:31,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:31,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:31,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:31,864 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:31,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:31,864 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:31,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:31,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:33:31,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:31,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:31,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:31,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:31,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:31,865 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:31,865 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:31,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:31,865 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:31,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:31,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:31,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:31,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:31,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:31,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:31,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:31,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:31,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:33:31,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:33:31,867 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:31,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:31,868 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:31,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:31,868 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:31,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:32,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:32,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:32,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:32,180 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:32,181 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:32,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2023-08-30 12:33:33,376 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:33,563 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:33,563 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2023-08-30 12:33:33,569 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6735b63d5/5bfff45b67564767aa75b7ccef5220aa/FLAG95f850c5e [2023-08-30 12:33:33,581 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6735b63d5/5bfff45b67564767aa75b7ccef5220aa [2023-08-30 12:33:33,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:33,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:33,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:33,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:33,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:33,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffddf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33, skipping insertion in model container [2023-08-30 12:33:33,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:33,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:33,736 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-simple-queue.wvr.c[2438,2451] [2023-08-30 12:33:33,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:33,748 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:33,764 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-simple-queue.wvr.c[2438,2451] [2023-08-30 12:33:33,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:33,774 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:33,775 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:33,780 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:33,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33 WrapperNode [2023-08-30 12:33:33,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:33,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:33,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:33,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:33,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,820 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 139 [2023-08-30 12:33:33,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:33,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:33,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:33,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:33,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,842 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:33,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:33,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:33,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:33,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (1/1) ... [2023-08-30 12:33:33,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:33,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:33,875 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 12:33:33,885 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 12:33:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:33:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:33:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:33:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:33:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:33:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:33:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:33,910 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 12:33:34,000 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:34,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:34,249 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:34,402 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:34,403 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 12:33:34,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:34 BoogieIcfgContainer [2023-08-30 12:33:34,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:34,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:34,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:34,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:34,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:33" (1/3) ... [2023-08-30 12:33:34,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db2a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:34, skipping insertion in model container [2023-08-30 12:33:34,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:33" (2/3) ... [2023-08-30 12:33:34,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db2a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:34, skipping insertion in model container [2023-08-30 12:33:34,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:34" (3/3) ... [2023-08-30 12:33:34,412 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c [2023-08-30 12:33:34,419 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:34,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:34,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 12:33:34,429 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:34,507 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:33:34,519 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 12:33:34,524 INFO L158 Benchmark]: Toolchain (without parser) took 939.58ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 31.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-08-30 12:33:34,525 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:34,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.45ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 32.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:33:34,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.86ms. Allocated memory is still 69.2MB. Free memory was 32.5MB in the beginning and 48.8MB in the end (delta: -16.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-08-30 12:33:34,527 INFO L158 Benchmark]: Boogie Preprocessor took 23.96ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 47.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:34,528 INFO L158 Benchmark]: RCFGBuilder took 559.12ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 40.9MB in the end (delta: 6.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 12:33:34,529 INFO L158 Benchmark]: TraceAbstraction took 116.47ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 31.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:33:34,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.45ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 32.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.86ms. Allocated memory is still 69.2MB. Free memory was 32.5MB in the beginning and 48.8MB in the end (delta: -16.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.96ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 47.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.12ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 40.9MB in the end (delta: 6.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 116.47ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 31.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:33:34,561 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/popl20-simple-queue.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 --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 12:33:36,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:36,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:36,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:36,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:36,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:36,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:36,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:36,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:36,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:36,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:36,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:36,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:36,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:36,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:36,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:36,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:36,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:36,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:36,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:36,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:36,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:36,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:36,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:36,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:36,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:36,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:36,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:36,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:36,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:36,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:36,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:36,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:36,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:36,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:36,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:36,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:36,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:36,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:36,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:36,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:36,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:33:36,524 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:36,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:36,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:36,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:36,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:36,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:36,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:36,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:36,528 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:36,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:36,529 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:36,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:36,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:36,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:36,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:36,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:36,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:36,531 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:33:36,531 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:33:36,531 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:36,531 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:33:36,531 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:36,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:36,532 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:36,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:36,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:36,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:36,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:36,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:36,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:36,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:36,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:36,534 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:33:36,534 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:33:36,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:36,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:36,534 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:36,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:36,535 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:33:36,535 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:36,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:36,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:36,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:36,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:36,886 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:36,886 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:36,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2023-08-30 12:33:37,953 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:38,161 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:38,161 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2023-08-30 12:33:38,166 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab8f15579/39588e4dd5f14ccb990cbbd925ea3f3d/FLAG938b53112 [2023-08-30 12:33:38,178 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab8f15579/39588e4dd5f14ccb990cbbd925ea3f3d [2023-08-30 12:33:38,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:38,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:38,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:38,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:38,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:38,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1b1575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38, skipping insertion in model container [2023-08-30 12:33:38,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:38,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:38,398 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-simple-queue.wvr.c[2438,2451] [2023-08-30 12:33:38,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:38,421 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 12:33:38,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:38,447 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-simple-queue.wvr.c[2438,2451] [2023-08-30 12:33:38,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:38,466 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:38,501 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-simple-queue.wvr.c[2438,2451] [2023-08-30 12:33:38,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:38,512 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:38,513 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:38,518 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:38,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38 WrapperNode [2023-08-30 12:33:38,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:38,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:38,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:38,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:38,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,578 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 136 [2023-08-30 12:33:38,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:38,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:38,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:38,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:38,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:38,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:38,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:38,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:38,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (1/1) ... [2023-08-30 12:33:38,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:38,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:38,669 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 12:33:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:33:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:33:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:38,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:33:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:33:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:33:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:33:38,706 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 12:33:38,692 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 12:33:38,822 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:38,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:39,134 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:39,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:39,258 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 12:33:39,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:39 BoogieIcfgContainer [2023-08-30 12:33:39,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:39,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:39,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:39,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:39,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:38" (1/3) ... [2023-08-30 12:33:39,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795656f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:39, skipping insertion in model container [2023-08-30 12:33:39,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:38" (2/3) ... [2023-08-30 12:33:39,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795656f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:39, skipping insertion in model container [2023-08-30 12:33:39,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:39" (3/3) ... [2023-08-30 12:33:39,269 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c [2023-08-30 12:33:39,277 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:39,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:39,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 12:33:39,286 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:39,383 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:33:39,393 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 12:33:39,399 INFO L158 Benchmark]: Toolchain (without parser) took 1216.90ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.1MB in the beginning and 53.9MB in the end (delta: -11.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:39,400 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:39,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.31ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 46.2MB in the end (delta: -4.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-08-30 12:33:39,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.15ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 44.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:39,402 INFO L158 Benchmark]: Boogie Preprocessor took 58.03ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 42.5MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:33:39,403 INFO L158 Benchmark]: RCFGBuilder took 621.73ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.5MB in the beginning and 65.2MB in the end (delta: -22.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-08-30 12:33:39,404 INFO L158 Benchmark]: TraceAbstraction took 135.44ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 53.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:39,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.31ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 46.2MB in the end (delta: -4.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.15ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 44.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.03ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 42.5MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 621.73ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.5MB in the beginning and 65.2MB in the end (delta: -22.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 135.44ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 53.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:33:39,436 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 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