./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7faac9952fd378b53dcd8f21391daa9cc75834f7be2a5ad0c70d96fc8524bd08 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 18:23:55,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 18:23:55,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 18:23:55,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 18:23:55,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 18:23:55,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 18:23:55,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 18:23:55,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 18:23:55,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 18:23:55,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 18:23:55,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 18:23:55,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 18:23:55,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 18:23:55,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 18:23:55,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 18:23:55,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 18:23:55,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 18:23:55,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 18:23:55,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 18:23:55,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 18:23:55,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 18:23:55,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 18:23:55,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 18:23:55,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 18:23:55,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 18:23:55,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 18:23:55,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 18:23:55,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 18:23:55,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 18:23:55,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 18:23:55,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 18:23:55,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 18:23:55,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 18:23:55,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 18:23:55,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 18:23:55,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 18:23:55,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 18:23:55,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 18:23:55,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 18:23:55,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 18:23:55,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 18:23:55,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 18:23:55,663 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 18:23:55,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 18:23:55,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 18:23:55,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 18:23:55,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 18:23:55,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 18:23:55,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 18:23:55,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 18:23:55,667 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 18:23:55,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 18:23:55,668 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 18:23:55,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 18:23:55,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 18:23:55,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 18:23:55,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 18:23:55,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 18:23:55,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 18:23:55,669 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 18:23:55,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 18:23:55,670 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 18:23:55,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 18:23:55,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 18:23:55,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 18:23:55,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 18:23:55,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 18:23:55,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 18:23:55,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 18:23:55,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 18:23:55,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 18:23:55,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 18:23:55,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 18:23:55,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 18:23:55,672 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 18:23:55,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 18:23:55,673 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 18:23:55,673 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faac9952fd378b53dcd8f21391daa9cc75834f7be2a5ad0c70d96fc8524bd08 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 18:23:55,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 18:23:55,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 18:23:55,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 18:23:55,985 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 18:23:55,986 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 18:23:55,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2023-08-30 18:23:57,140 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 18:23:57,491 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 18:23:57,491 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2023-08-30 18:23:57,523 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e38d6e8/eff5228c0c714ba9a80438bf5b260be4/FLAGfab6e9652 [2023-08-30 18:23:57,541 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e38d6e8/eff5228c0c714ba9a80438bf5b260be4 [2023-08-30 18:23:57,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 18:23:57,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 18:23:57,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 18:23:57,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 18:23:57,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 18:23:57,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 06:23:57" (1/1) ... [2023-08-30 18:23:57,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767a82c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:57, skipping insertion in model container [2023-08-30 18:23:57,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 06:23:57" (1/1) ... [2023-08-30 18:23:57,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 18:23:57,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 18:23:58,114 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2023-08-30 18:23:58,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 18:23:58,192 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 18:23:58,226 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2023-08-30 18:23:58,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 18:23:58,340 INFO L208 MainTranslator]: Completed translation [2023-08-30 18:23:58,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58 WrapperNode [2023-08-30 18:23:58,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 18:23:58,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 18:23:58,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 18:23:58,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 18:23:58,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,415 INFO L138 Inliner]: procedures = 377, calls = 72, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 238 [2023-08-30 18:23:58,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 18:23:58,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 18:23:58,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 18:23:58,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 18:23:58,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 18:23:58,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 18:23:58,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 18:23:58,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 18:23:58,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (1/1) ... [2023-08-30 18:23:58,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 18:23:58,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 18:23:58,506 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 18:23:58,519 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 18:23:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 18:23:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 18:23:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 18:23:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 18:23:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 18:23:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 18:23:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 18:23:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 18:23:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 18:23:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 18:23:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 18:23:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 18:23:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 18:23:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 18:23:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 18:23:58,543 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 18:23:58,670 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 18:23:58,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 18:23:59,078 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 18:23:59,086 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 18:23:59,086 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-08-30 18:23:59,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 06:23:59 BoogieIcfgContainer [2023-08-30 18:23:59,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 18:23:59,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 18:23:59,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 18:23:59,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 18:23:59,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 06:23:57" (1/3) ... [2023-08-30 18:23:59,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afa622e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 06:23:59, skipping insertion in model container [2023-08-30 18:23:59,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 06:23:58" (2/3) ... [2023-08-30 18:23:59,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afa622e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 06:23:59, skipping insertion in model container [2023-08-30 18:23:59,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 06:23:59" (3/3) ... [2023-08-30 18:23:59,096 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2023-08-30 18:23:59,102 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 18:23:59,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 18:23:59,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 18:23:59,110 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 18:23:59,233 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 18:23:59,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 240 transitions, 488 flow [2023-08-30 18:23:59,424 INFO L130 PetriNetUnfolder]: 45/343 cut-off events. [2023-08-30 18:23:59,424 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 18:23:59,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 343 events. 45/343 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1028 event pairs, 0 based on Foata normal form. 0/292 useless extension candidates. Maximal degree in co-relation 186. Up to 8 conditions per place. [2023-08-30 18:23:59,434 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 240 transitions, 488 flow [2023-08-30 18:23:59,444 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 235 transitions, 475 flow [2023-08-30 18:23:59,447 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 18:23:59,466 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 235 transitions, 475 flow [2023-08-30 18:23:59,473 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 235 transitions, 475 flow [2023-08-30 18:23:59,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 235 transitions, 475 flow [2023-08-30 18:23:59,545 INFO L130 PetriNetUnfolder]: 44/338 cut-off events. [2023-08-30 18:23:59,546 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 18:23:59,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 338 events. 44/338 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 978 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 186. Up to 8 conditions per place. [2023-08-30 18:23:59,560 INFO L119 LiptonReduction]: Number of co-enabled transitions 17004 [2023-08-30 18:24:09,803 INFO L134 LiptonReduction]: Checked pairs total: 37879 [2023-08-30 18:24:09,803 INFO L136 LiptonReduction]: Total number of compositions: 182 [2023-08-30 18:24:09,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 18:24:09,821 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e181e75, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 18:24:09,822 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-08-30 18:24:09,831 INFO L130 PetriNetUnfolder]: 8/59 cut-off events. [2023-08-30 18:24:09,831 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 18:24:09,832 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 18:24:09,832 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 18:24:09,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-08-30 18:24:09,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 18:24:09,837 INFO L85 PathProgramCache]: Analyzing trace with hash 808044660, now seen corresponding path program 1 times [2023-08-30 18:24:09,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 18:24:09,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989610647] [2023-08-30 18:24:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 18:24:09,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 18:24:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 18:24:10,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-30 18:24:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 18:24:10,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-30 18:24:10,160 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-30 18:24:10,161 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-08-30 18:24:10,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2023-08-30 18:24:10,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2023-08-30 18:24:10,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 18:24:10,164 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-30 18:24:10,166 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2023-08-30 18:24:10,170 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 18:24:10,170 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 18:24:10,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 06:24:10 BasicIcfg [2023-08-30 18:24:10,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 18:24:10,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 18:24:10,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 18:24:10,250 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 18:24:10,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 06:23:59" (3/4) ... [2023-08-30 18:24:10,253 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-08-30 18:24:10,310 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 18:24:10,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 18:24:10,311 INFO L158 Benchmark]: Toolchain (without parser) took 12766.49ms. Allocated memory was 71.3MB in the beginning and 146.8MB in the end (delta: 75.5MB). Free memory was 43.8MB in the beginning and 107.9MB in the end (delta: -64.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-08-30 18:24:10,311 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 18:24:10,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.45ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.5MB in the beginning and 44.2MB in the end (delta: -664.0kB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-08-30 18:24:10,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.07ms. Allocated memory is still 90.2MB. Free memory was 44.2MB in the beginning and 41.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 18:24:10,313 INFO L158 Benchmark]: Boogie Preprocessor took 44.45ms. Allocated memory is still 90.2MB. Free memory was 41.1MB in the beginning and 38.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 18:24:10,313 INFO L158 Benchmark]: RCFGBuilder took 622.49ms. Allocated memory is still 90.2MB. Free memory was 38.8MB in the beginning and 42.3MB in the end (delta: -3.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-08-30 18:24:10,313 INFO L158 Benchmark]: TraceAbstraction took 11158.59ms. Allocated memory was 90.2MB in the beginning and 146.8MB in the end (delta: 56.6MB). Free memory was 41.4MB in the beginning and 115.0MB in the end (delta: -73.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-08-30 18:24:10,314 INFO L158 Benchmark]: Witness Printer took 60.73ms. Allocated memory is still 146.8MB. Free memory was 115.0MB in the beginning and 107.9MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 18:24:10,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.45ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.5MB in the beginning and 44.2MB in the end (delta: -664.0kB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.07ms. Allocated memory is still 90.2MB. Free memory was 44.2MB in the beginning and 41.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.45ms. Allocated memory is still 90.2MB. Free memory was 41.1MB in the beginning and 38.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 622.49ms. Allocated memory is still 90.2MB. Free memory was 38.8MB in the beginning and 42.3MB in the end (delta: -3.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11158.59ms. Allocated memory was 90.2MB in the beginning and 146.8MB in the end (delta: 56.6MB). Free memory was 41.4MB in the beginning and 115.0MB in the end (delta: -73.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 60.73ms. Allocated memory is still 146.8MB. Free memory was 115.0MB in the beginning and 107.9MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3s, 210 PlacesBefore, 63 PlacesAfterwards, 235 TransitionsBefore, 84 TransitionsAfterwards, 17004 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 116 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 4 ChoiceCompositions, 182 TotalNumberOfCompositions, 37879 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13632, independent: 13048, independent conditional: 0, independent unconditional: 13048, dependent: 584, dependent conditional: 0, dependent unconditional: 584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8177, independent: 8060, independent conditional: 0, independent unconditional: 8060, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13632, independent: 4988, independent conditional: 0, independent unconditional: 4988, dependent: 467, dependent conditional: 0, dependent unconditional: 467, unknown: 8177, unknown conditional: 0, unknown unconditional: 8177] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1235]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1240] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1241-L1244] 0 struct s { int datum; struct s *next; } *A; [L1253] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1254] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1267] 0 struct s *p; [L1268] 0 A = malloc(sizeof(struct s)) [L1269] EXPR 0 \read(*A) [L1269] CALL 0 init(A,3) [L1246] 0 p -> datum = x [L1247] 0 p -> next = ((void *)0) [L1269] RET 0 init(A,3) [L1270] 0 pthread_t t_ids[10000]; [L1270] 0 int i=0; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={11:0}] [L1270] COND TRUE 0 i<10000 [L1270] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))=-1, t_ids={11:0}] [L1256] 1 struct s *p = malloc(sizeof(struct s)); [L1257] CALL 1 init(p,7) [L1246] 1 p -> datum = x VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(x)=3, \old(x)=7, __global_lock={3:0}, p={-2:0}, p={-2:0}, p={9:0}, p={9:0}, x=3, x=7] [L1247] 1 p -> next = ((void *)0) [L1257] RET 1 init(p,7) [L1259] CALL 1 insert(p, &A) [L1250] EXPR 1 \read(**list) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \read(**list)={-2:0}, __global_lock={3:0}, list={4:0}, list={4:0}, p={9:0}, p={9:0}] [L1250] 1 p->next = *list VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \read(**list)={-2:0}, __global_lock={3:0}, list={4:0}, list={4:0}, p={9:0}, p={9:0}] [L1251] 1 *list = p VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, list={4:0}, list={4:0}, p={9:0}, p={9:0}] [L1259] RET 1 insert(p, &A) [L1262] COND FALSE 1 !(__VERIFIER_nondet_int()) [L1262] EXPR 1 p->datum [L1262] CALL 1 __VERIFIER_assert((p->datum) == 0) [L1235] COND TRUE 1 !(cond) [L1235] 1 reach_error() VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0] - UnprovableResult [Line: 1235]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 279 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-30 18:24:10,337 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE