./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i --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/goblint-regression/09-regions_04-list2_nr.i -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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --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 12:27:48,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:27:48,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:27:48,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:27:48,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:27:48,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:27:48,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:27:48,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:27:48,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:27:48,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:27:48,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:27:48,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:27:48,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:27:48,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:27:48,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:27:48,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:27:48,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:27:48,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:27:48,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:27:48,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:27:48,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:27:48,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:27:48,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:27:48,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:27:48,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:27:48,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:27:48,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:27:48,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:27:48,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:27:48,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:27:48,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:27:48,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:27:48,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:27:48,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:27:48,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:27:48,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:27:48,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:27:48,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:27:48,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:27:48,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:27:48,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:27:48,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:27:48,678 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:27:48,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:27:48,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:27:48,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:27:48,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:27:48,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:27:48,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:27:48,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:27:48,682 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:27:48,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:27:48,683 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:27:48,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:27:48,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:27:48,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:27:48,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:27:48,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:27:48,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:27:48,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:27:48,684 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:27:48,685 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:27:48,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:27:48,685 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:27:48,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:27:48,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:27:48,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:27:48,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:27:48,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:27:48,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:27:48,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:27:48,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:27:48,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:27:48,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:27:48,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:27:48,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:27:48,688 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:27:48,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:27:48,688 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:27:48,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:27:48,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:27:49,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:27:49,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:27:49,020 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:27:49,020 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:27:49,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-30 12:27:50,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:27:50,579 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:27:50,580 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-30 12:27:50,595 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c369cb274/23144ab3cf184a8285e5e60f20592331/FLAG598102afc [2023-08-30 12:27:50,610 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c369cb274/23144ab3cf184a8285e5e60f20592331 [2023-08-30 12:27:50,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:27:50,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:27:50,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:27:50,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:27:50,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:27:50,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:50,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c9669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50, skipping insertion in model container [2023-08-30 12:27:50,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:50,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:27:50,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:27:51,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:27:51,298 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:27:51,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:27:51,464 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:27:51,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51 WrapperNode [2023-08-30 12:27:51,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:27:51,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:27:51,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:27:51,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:27:51,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,538 INFO L138 Inliner]: procedures = 368, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 86 [2023-08-30 12:27:51,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:27:51,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:27:51,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:27:51,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:27:51,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,580 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:27:51,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:27:51,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:27:51,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:27:51,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (1/1) ... [2023-08-30 12:27:51,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:27:51,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:27:51,617 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 12:27:51,641 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 12:27:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:27:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 12:27:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:27:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:27:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:27:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:27:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:27:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:27:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 12:27:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:27:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:27:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:27:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:27:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:27:51,659 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 12:27:51,814 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:27:51,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:27:52,121 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:27:52,128 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:27:52,128 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:27:52,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:27:52 BoogieIcfgContainer [2023-08-30 12:27:52,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:27:52,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:27:52,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:27:52,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:27:52,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:27:50" (1/3) ... [2023-08-30 12:27:52,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cfa95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:27:52, skipping insertion in model container [2023-08-30 12:27:52,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:51" (2/3) ... [2023-08-30 12:27:52,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cfa95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:27:52, skipping insertion in model container [2023-08-30 12:27:52,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:27:52" (3/3) ... [2023-08-30 12:27:52,137 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2023-08-30 12:27:52,146 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:27:52,154 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:27:52,154 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 12:27:52,154 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:27:52,236 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:27:52,247 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 12:27:52,253 INFO L158 Benchmark]: Toolchain (without parser) took 1638.12ms. Allocated memory is still 115.3MB. Free memory was 89.6MB in the beginning and 50.4MB in the end (delta: 39.2MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-08-30 12:27:52,253 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:27:52,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.79ms. Allocated memory is still 115.3MB. Free memory was 89.3MB in the beginning and 81.9MB in the end (delta: 7.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:52,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.56ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 79.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:27:52,256 INFO L158 Benchmark]: Boogie Preprocessor took 46.28ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:27:52,257 INFO L158 Benchmark]: RCFGBuilder took 542.71ms. Allocated memory is still 115.3MB. Free memory was 77.7MB in the beginning and 58.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 12:27:52,258 INFO L158 Benchmark]: TraceAbstraction took 120.14ms. Allocated memory is still 115.3MB. Free memory was 58.1MB in the beginning and 50.4MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 12:27:52,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.79ms. Allocated memory is still 115.3MB. Free memory was 89.3MB in the beginning and 81.9MB in the end (delta: 7.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.56ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 79.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.28ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.71ms. Allocated memory is still 115.3MB. Free memory was 77.7MB in the beginning and 58.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 120.14ms. Allocated memory is still 115.3MB. Free memory was 58.1MB in the beginning and 50.4MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:27:52,289 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/goblint-regression/09-regions_04-list2_nr.i -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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --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 12:27:54,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:27:54,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:27:54,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:27:54,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:27:54,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:27:54,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:27:54,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:27:54,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:27:54,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:27:54,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:27:54,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:27:54,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:27:54,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:27:54,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:27:54,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:27:54,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:27:54,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:27:54,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:27:54,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:27:54,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:27:54,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:27:54,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:27:54,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:27:54,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:27:54,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:27:54,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:27:54,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:27:54,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:27:54,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:27:54,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:27:54,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:27:54,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:27:54,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:27:54,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:27:54,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:27:54,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:27:54,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:27:54,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:27:54,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:27:54,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:27:54,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:27:54,317 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:27:54,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:27:54,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:27:54,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:27:54,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:27:54,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:27:54,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:27:54,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:27:54,321 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:27:54,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:27:54,322 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:27:54,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:27:54,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:27:54,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:27:54,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:27:54,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:27:54,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:27:54,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:27:54,324 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:27:54,324 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:27:54,324 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:27:54,324 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:27:54,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:27:54,325 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:27:54,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:27:54,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:27:54,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:27:54,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:27:54,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:27:54,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:27:54,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:27:54,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:27:54,327 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:27:54,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:27:54,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:27:54,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:27:54,327 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:27:54,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:27:54,328 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:27:54,328 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:27:54,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:27:54,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:27:54,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:27:54,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:27:54,656 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:27:54,656 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:27:54,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-30 12:27:55,951 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:27:56,215 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:27:56,216 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-30 12:27:56,234 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/574a765ee/e09bcff832f0452ab6fb22906bce7a47/FLAG6cc1dc2fe [2023-08-30 12:27:56,247 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/574a765ee/e09bcff832f0452ab6fb22906bce7a47 [2023-08-30 12:27:56,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:27:56,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:27:56,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:27:56,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:27:56,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:27:56,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:27:56" (1/1) ... [2023-08-30 12:27:56,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3797bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:56, skipping insertion in model container [2023-08-30 12:27:56,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:27:56" (1/1) ... [2023-08-30 12:27:56,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:27:56,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:27:56,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:27:56,959 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:27:57,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:27:57,094 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:27:57,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57 WrapperNode [2023-08-30 12:27:57,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:27:57,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:27:57,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:27:57,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:27:57,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,155 INFO L138 Inliner]: procedures = 369, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 87 [2023-08-30 12:27:57,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:27:57,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:27:57,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:27:57,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:27:57,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,195 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:27:57,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:27:57,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:27:57,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:27:57,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (1/1) ... [2023-08-30 12:27:57,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:27:57,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:27:57,242 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 12:27:57,257 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 12:27:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:27:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:27:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 12:27:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:27:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:27:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:27:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:27:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:27:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:27:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 12:27:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:27:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:27:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:27:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:27:57,276 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 12:27:57,423 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:27:57,424 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:27:57,826 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:27:57,834 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:27:57,834 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:27:57,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:27:57 BoogieIcfgContainer [2023-08-30 12:27:57,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:27:57,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:27:57,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:27:57,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:27:57,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:27:56" (1/3) ... [2023-08-30 12:27:57,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272b4a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:27:57, skipping insertion in model container [2023-08-30 12:27:57,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:57" (2/3) ... [2023-08-30 12:27:57,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272b4a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:27:57, skipping insertion in model container [2023-08-30 12:27:57,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:27:57" (3/3) ... [2023-08-30 12:27:57,845 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2023-08-30 12:27:57,852 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:27:57,860 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:27:57,861 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 12:27:57,861 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:27:57,934 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:27:57,948 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:27:57,951 INFO L158 Benchmark]: Toolchain (without parser) took 1700.74ms. Allocated memory is still 86.0MB. Free memory was 60.9MB in the beginning and 37.4MB in the end (delta: 23.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-08-30 12:27:57,952 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:27:57,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.61ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 40.7MB in the end (delta: 20.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:57,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.39ms. Allocated memory is still 86.0MB. Free memory was 40.7MB in the beginning and 38.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:57,954 INFO L158 Benchmark]: Boogie Preprocessor took 46.87ms. Allocated memory is still 86.0MB. Free memory was 38.1MB in the beginning and 35.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:57,954 INFO L158 Benchmark]: RCFGBuilder took 628.00ms. Allocated memory is still 86.0MB. Free memory was 35.5MB in the beginning and 47.4MB in the end (delta: -11.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-08-30 12:27:57,955 INFO L158 Benchmark]: TraceAbstraction took 111.86ms. Allocated memory is still 86.0MB. Free memory was 46.8MB in the beginning and 37.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:27:57,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.61ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 40.7MB in the end (delta: 20.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.39ms. Allocated memory is still 86.0MB. Free memory was 40.7MB in the beginning and 38.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.87ms. Allocated memory is still 86.0MB. Free memory was 38.1MB in the beginning and 35.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.00ms. Allocated memory is still 86.0MB. Free memory was 35.5MB in the beginning and 47.4MB in the end (delta: -11.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * TraceAbstraction took 111.86ms. Allocated memory is still 86.0MB. Free memory was 46.8MB in the beginning and 37.4MB in the end (delta: 9.4MB). 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 12:27:57,973 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