./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_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_02-list_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 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --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 12:27:48,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:27:48,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:27:48,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:27:48,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:27:48,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:27:48,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:27:48,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:27:48,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:27:48,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:27:48,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:27:48,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:27:48,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:27:48,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:27:48,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:27:48,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:27:48,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:27:48,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:27:48,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:27:48,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:27:48,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:27:48,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:27:48,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:27:48,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:27:48,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:27:48,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:27:48,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:27:48,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:27:48,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:27:48,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:27:48,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:27:48,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:27:48,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:27:48,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:27:48,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:27:48,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:27:48,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:27:48,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:27:48,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:27:48,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:27:48,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:27:48,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:27:48,253 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:27:48,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:27:48,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:27:48,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:27:48,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:27:48,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:27:48,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:27:48,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:27:48,257 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:27:48,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:27:48,258 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:27:48,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:27:48,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:27:48,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:27:48,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:27:48,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:27:48,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:27:48,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:27:48,260 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:27:48,260 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:27:48,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:27:48,261 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:27:48,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:27:48,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:27:48,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:27:48,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:27:48,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:27:48,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:27:48,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:27:48,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:27:48,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:27:48,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:27:48,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:27:48,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:27:48,264 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:27:48,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:27:48,265 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:27:48,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:27:48,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:27:48,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:27:48,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:27:48,589 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:27:48,589 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:27:48,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2023-08-30 12:27:49,799 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:27:50,080 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:27:50,081 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2023-08-30 12:27:50,101 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/213b7fc90/7093b4fab25d46459e1411c648393f06/FLAG7248a5962 [2023-08-30 12:27:50,116 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/213b7fc90/7093b4fab25d46459e1411c648393f06 [2023-08-30 12:27:50,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:27:50,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:27:50,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:27:50,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:27:50,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:27:50,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:50,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0660bb 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 12:27:50,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:50,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:27:50,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:27:50,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:27:50,767 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:27:50,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:27:50,919 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:27:50,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50 WrapperNode [2023-08-30 12:27:50,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:27:50,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:27:50,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:27:50,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:27:50,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:50,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:50,986 INFO L138 Inliner]: procedures = 368, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2023-08-30 12:27:50,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:27:50,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:27:50,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:27:50,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:27:50,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:50,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:51,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:51,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:51,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:51,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:51,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:51,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:51,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:27:51,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:27:51,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:27:51,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:27:51,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (1/1) ... [2023-08-30 12:27:51,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:27:51,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:27:51,056 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 12:27:51,066 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 12:27:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:27:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 12:27:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:27:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:27:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:27:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:27:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:27:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:27:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 12:27:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:27:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:27:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:27:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:27:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:27:51,113 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 12:27:51,301 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:27:51,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:27:51,481 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:27:51,487 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:27:51,488 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:27:51,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:27:51 BoogieIcfgContainer [2023-08-30 12:27:51,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:27:51,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:27:51,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:27:51,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:27:51,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:27:50" (1/3) ... [2023-08-30 12:27:51,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a04b2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:27:51, skipping insertion in model container [2023-08-30 12:27:51,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:50" (2/3) ... [2023-08-30 12:27:51,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a04b2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:27:51, skipping insertion in model container [2023-08-30 12:27:51,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:27:51" (3/3) ... [2023-08-30 12:27:51,497 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2023-08-30 12:27:51,507 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:27:51,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:27:51,516 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-08-30 12:27:51,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a04b2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 12:27:51, skipping insertion in model container [2023-08-30 12:27:51,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 12:27:51,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 12:27:51,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 12:27:51,521 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 12:27:51,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:27:51" (3/3) ... [2023-08-30 12:27:51,524 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 12:27:51,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-30 12:27:51,535 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-08-30 12:27:51,536 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-08-30 12:27:51,536 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 12:27:51,568 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 12:27:51,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 12:27:51,570 INFO L158 Benchmark]: Toolchain (without parser) took 1450.34ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 39.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-08-30 12:27:51,570 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:27:51,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.66ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 40.2MB in the end (delta: 16.6MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:51,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.10ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 37.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:51,572 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 35.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:51,572 INFO L158 Benchmark]: RCFGBuilder took 467.23ms. Allocated memory is still 81.8MB. Free memory was 35.7MB in the beginning and 44.9MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:27:51,572 INFO L158 Benchmark]: TraceAbstraction took 27.57ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 42.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:51,573 INFO L158 Benchmark]: Witness Printer took 48.73ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:27:51,575 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 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 799.66ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 40.2MB in the end (delta: 16.6MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.10ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 37.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 35.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.23ms. Allocated memory is still 81.8MB. Free memory was 35.7MB in the beginning and 44.9MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 27.57ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 42.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 48.73ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-08-30 12:27:51,589 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: TRUE