./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/popl20-channel-sum.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-channel-sum.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 c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c --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 12:32:22,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:32:22,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:32:22,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:32:22,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:32:22,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:32:22,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:32:22,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:32:22,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:32:22,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:32:22,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:32:22,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:32:22,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:32:22,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:32:22,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:32:22,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:32:22,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:32:22,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:32:22,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:32:22,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:32:22,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:32:22,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:32:22,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:32:22,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:32:22,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:32:22,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:32:22,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:32:22,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:32:22,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:32:22,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:32:22,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:32:22,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:32:22,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:32:22,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:32:22,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:32:22,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:32:22,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:32:22,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:32:22,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:32:22,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:32:22,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:32:22,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:32:22,612 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:32:22,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:32:22,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:32:22,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:32:22,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:32:22,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:32:22,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:32:22,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:32:22,616 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:32:22,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:32:22,617 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:32:22,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:32:22,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:32:22,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:32:22,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:32:22,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:32:22,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:32:22,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:32:22,618 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:32:22,619 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:32:22,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:32:22,619 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:32:22,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:32:22,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:32:22,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:32:22,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:32:22,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:22,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:32:22,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:32:22,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:32:22,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:32:22,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:32:22,621 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:32:22,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:32:22,621 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:32:22,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:32:22,622 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:32:22,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:32:22,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:32:22,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:32:22,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:32:22,935 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:32:22,935 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:32:22,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c [2023-08-30 12:32:24,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:32:24,386 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:32:24,387 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c [2023-08-30 12:32:24,395 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62e332db/68a18b61efe24a3a8157f2df270d5182/FLAG7c0f5132c [2023-08-30 12:32:24,412 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62e332db/68a18b61efe24a3a8157f2df270d5182 [2023-08-30 12:32:24,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:32:24,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:32:24,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:24,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:32:24,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:32:24,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613224db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24, skipping insertion in model container [2023-08-30 12:32:24,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:32:24,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:32:24,663 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-channel-sum.wvr.c[2947,2960] [2023-08-30 12:32:24,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:24,682 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:32:24,717 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-channel-sum.wvr.c[2947,2960] [2023-08-30 12:32:24,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:24,736 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:24,737 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:24,743 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:32:24,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24 WrapperNode [2023-08-30 12:32:24,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:24,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:24,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:32:24,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:32:24,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,796 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 165 [2023-08-30 12:32:24,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:24,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:32:24,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:32:24,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:32:24,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:32:24,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:32:24,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:32:24,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:32:24,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (1/1) ... [2023-08-30 12:32:24,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:24,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:32:24,858 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 12:32:24,868 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 12:32:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:32:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:32:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:32:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:32:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:32:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:32:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:32:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:32:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:32:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:32:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:32:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:32:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:32:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:32:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:32:24,898 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 12:32:24,983 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:32:24,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:32:25,226 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:32:25,345 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:32:25,345 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 12:32:25,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:25 BoogieIcfgContainer [2023-08-30 12:32:25,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:32:25,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:32:25,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:32:25,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:32:25,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:32:24" (1/3) ... [2023-08-30 12:32:25,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d32700d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:25, skipping insertion in model container [2023-08-30 12:32:25,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:24" (2/3) ... [2023-08-30 12:32:25,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d32700d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:25, skipping insertion in model container [2023-08-30 12:32:25,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:25" (3/3) ... [2023-08-30 12:32:25,377 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2023-08-30 12:32:25,385 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:32:25,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:32:25,395 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 12:32:25,395 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:32:25,517 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:32:25,531 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 12:32:25,535 INFO L158 Benchmark]: Toolchain (without parser) took 1119.26ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 28.6MB in the beginning and 44.3MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:32:25,536 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory was 27.9MB in the beginning and 27.9MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:32:25,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.42ms. Allocated memory is still 60.8MB. Free memory was 28.4MB in the beginning and 34.5MB in the end (delta: -6.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-08-30 12:32:25,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.65ms. Allocated memory is still 60.8MB. Free memory was 34.3MB in the beginning and 32.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:25,537 INFO L158 Benchmark]: Boogie Preprocessor took 30.77ms. Allocated memory is still 60.8MB. Free memory was 32.4MB in the beginning and 30.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:25,538 INFO L158 Benchmark]: RCFGBuilder took 523.03ms. Allocated memory is still 60.8MB. Free memory was 30.8MB in the beginning and 23.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-08-30 12:32:25,538 INFO L158 Benchmark]: TraceAbstraction took 163.88ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 44.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:32:25,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory was 27.9MB in the beginning and 27.9MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.42ms. Allocated memory is still 60.8MB. Free memory was 28.4MB in the beginning and 34.5MB in the end (delta: -6.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.65ms. Allocated memory is still 60.8MB. Free memory was 34.3MB in the beginning and 32.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.77ms. Allocated memory is still 60.8MB. Free memory was 32.4MB in the beginning and 30.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.03ms. Allocated memory is still 60.8MB. Free memory was 30.8MB in the beginning and 23.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * TraceAbstraction took 163.88ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 44.3MB in the end (delta: 9.5MB). 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 12:32:25,567 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-channel-sum.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 c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c --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 12:32:27,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:32:27,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:32:27,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:32:27,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:32:27,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:32:27,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:32:27,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:32:27,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:32:27,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:32:27,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:32:27,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:32:27,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:32:27,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:32:27,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:32:27,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:32:27,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:32:27,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:32:27,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:32:27,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:32:27,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:32:27,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:32:27,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:32:27,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:32:27,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:32:27,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:32:27,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:32:27,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:32:27,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:32:27,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:32:27,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:32:27,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:32:27,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:32:27,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:32:27,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:32:27,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:32:27,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:32:27,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:32:27,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:32:27,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:32:27,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:32:27,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:32:27,597 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:32:27,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:32:27,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:32:27,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:32:27,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:32:27,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:32:27,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:32:27,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:32:27,601 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:32:27,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:32:27,602 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:32:27,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:32:27,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:32:27,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:32:27,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:32:27,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:32:27,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:32:27,603 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:32:27,603 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:32:27,603 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:32:27,604 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:32:27,604 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:32:27,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:32:27,604 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:32:27,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:32:27,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:32:27,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:32:27,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:32:27,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:27,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:32:27,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:32:27,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:32:27,606 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:32:27,606 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:32:27,606 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:32:27,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:32:27,607 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:32:27,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:32:27,607 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:32:27,607 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:32:27,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:32:27,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:32:27,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:32:27,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:32:27,942 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:32:27,943 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:32:27,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c [2023-08-30 12:32:29,198 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:32:29,414 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:32:29,415 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c [2023-08-30 12:32:29,422 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c0b1478/aa665f33d0494e23bb79ee65763c127d/FLAG681893c11 [2023-08-30 12:32:29,434 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c0b1478/aa665f33d0494e23bb79ee65763c127d [2023-08-30 12:32:29,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:32:29,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:32:29,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:29,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:32:29,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:32:29,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7833c3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29, skipping insertion in model container [2023-08-30 12:32:29,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:32:29,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:32:29,643 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-channel-sum.wvr.c[2947,2960] [2023-08-30 12:32:29,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:29,672 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 12:32:29,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:32:29,703 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-channel-sum.wvr.c[2947,2960] [2023-08-30 12:32:29,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:29,717 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:32:29,750 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-channel-sum.wvr.c[2947,2960] [2023-08-30 12:32:29,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:29,768 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:29,769 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:29,775 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:32:29,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29 WrapperNode [2023-08-30 12:32:29,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:29,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:29,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:32:29,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:32:29,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,836 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 162 [2023-08-30 12:32:29,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:29,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:32:29,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:32:29,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:32:29,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,883 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:32:29,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:32:29,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:32:29,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:32:29,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (1/1) ... [2023-08-30 12:32:29,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:29,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:32:29,930 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 12:32:29,958 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 12:32:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:32:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:32:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:32:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:32:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:32:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:32:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:32:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:32:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:32:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:32:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:32:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:32:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:32:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:32:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:32:29,974 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 12:32:30,085 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:32:30,087 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:32:30,382 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:32:30,529 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:32:30,530 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 12:32:30,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:30 BoogieIcfgContainer [2023-08-30 12:32:30,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:32:30,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:32:30,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:32:30,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:32:30,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:32:29" (1/3) ... [2023-08-30 12:32:30,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e536092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:30, skipping insertion in model container [2023-08-30 12:32:30,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:29" (2/3) ... [2023-08-30 12:32:30,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e536092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:30, skipping insertion in model container [2023-08-30 12:32:30,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:30" (3/3) ... [2023-08-30 12:32:30,542 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2023-08-30 12:32:30,549 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:32:30,566 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:32:30,566 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 12:32:30,566 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:32:30,699 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:32:30,705 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 12:32:30,713 INFO L158 Benchmark]: Toolchain (without parser) took 1276.25ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 39.1MB in the end (delta: 13.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:30,714 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:32:30,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.70ms. Allocated memory is still 75.5MB. Free memory was 52.7MB in the beginning and 39.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:32:30,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.27ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 37.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:30,716 INFO L158 Benchmark]: Boogie Preprocessor took 52.98ms. Allocated memory is still 75.5MB. Free memory was 37.0MB in the beginning and 35.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:30,716 INFO L158 Benchmark]: RCFGBuilder took 639.59ms. Allocated memory is still 75.5MB. Free memory was 35.1MB in the beginning and 51.8MB in the end (delta: -16.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-08-30 12:32:30,717 INFO L158 Benchmark]: TraceAbstraction took 178.94ms. Allocated memory is still 75.5MB. Free memory was 50.9MB in the beginning and 39.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:32:30,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.70ms. Allocated memory is still 75.5MB. Free memory was 52.7MB in the beginning and 39.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.27ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 37.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.98ms. Allocated memory is still 75.5MB. Free memory was 37.0MB in the beginning and 35.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.59ms. Allocated memory is still 75.5MB. Free memory was 35.1MB in the beginning and 51.8MB in the end (delta: -16.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 178.94ms. Allocated memory is still 75.5MB. Free memory was 50.9MB in the beginning and 39.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. 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 12:32:30,741 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