./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90 --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 11:06:27,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 11:06:27,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 11:06:27,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 11:06:27,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 11:06:27,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 11:06:27,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 11:06:27,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 11:06:27,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 11:06:27,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 11:06:27,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 11:06:27,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 11:06:27,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 11:06:27,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 11:06:27,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 11:06:27,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 11:06:27,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 11:06:27,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 11:06:27,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 11:06:27,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 11:06:27,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 11:06:27,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 11:06:27,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 11:06:27,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 11:06:27,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 11:06:27,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 11:06:27,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 11:06:27,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 11:06:27,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 11:06:27,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 11:06:27,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 11:06:27,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 11:06:27,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 11:06:27,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 11:06:27,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 11:06:27,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 11:06:27,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 11:06:27,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 11:06:27,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 11:06:27,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 11:06:27,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 11:06:27,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 11:06:27,830 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 11:06:27,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 11:06:27,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 11:06:27,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 11:06:27,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 11:06:27,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 11:06:27,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 11:06:27,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 11:06:27,833 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 11:06:27,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 11:06:27,834 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 11:06:27,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 11:06:27,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 11:06:27,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 11:06:27,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 11:06:27,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 11:06:27,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 11:06:27,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 11:06:27,836 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 11:06:27,836 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 11:06:27,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 11:06:27,837 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 11:06:27,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 11:06:27,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 11:06:27,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 11:06:27,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 11:06:27,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 11:06:27,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 11:06:27,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 11:06:27,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 11:06:27,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 11:06:27,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 11:06:27,839 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 11:06:27,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 11:06:27,840 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 11:06:27,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 11:06:27,840 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 11:06:27,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 11:06:28,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 11:06:28,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 11:06:28,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 11:06:28,197 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 11:06:28,197 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 11:06:28,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2023-08-30 11:06:29,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 11:06:29,628 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 11:06:29,629 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2023-08-30 11:06:29,642 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b359f65/4a7a25901a6645dbb40a3e7ccc5f8db3/FLAGdae99225c [2023-08-30 11:06:29,661 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b359f65/4a7a25901a6645dbb40a3e7ccc5f8db3 [2023-08-30 11:06:29,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 11:06:29,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 11:06:29,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 11:06:29,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 11:06:29,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 11:06:29,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c88559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29, skipping insertion in model container [2023-08-30 11:06:29,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 11:06:29,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 11:06:29,844 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c[2133,2146] [2023-08-30 11:06:29,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 11:06:29,857 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 11:06:29,876 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c[2133,2146] [2023-08-30 11:06:29,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 11:06:29,891 INFO L208 MainTranslator]: Completed translation [2023-08-30 11:06:29,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29 WrapperNode [2023-08-30 11:06:29,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 11:06:29,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 11:06:29,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 11:06:29,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 11:06:29,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,929 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-08-30 11:06:29,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 11:06:29,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 11:06:29,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 11:06:29,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 11:06:29,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 11:06:29,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 11:06:29,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 11:06:29,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 11:06:29,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (1/1) ... [2023-08-30 11:06:29,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 11:06:29,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 11:06:29,979 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 11:06:29,982 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 11:06:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 11:06:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 11:06:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 11:06:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 11:06:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 11:06:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 11:06:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 11:06:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 11:06:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 11:06:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 11:06:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 11:06:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 11:06:30,025 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 11:06:30,097 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 11:06:30,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 11:06:30,323 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 11:06:30,329 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 11:06:30,329 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 11:06:30,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:06:30 BoogieIcfgContainer [2023-08-30 11:06:30,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 11:06:30,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 11:06:30,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 11:06:30,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 11:06:30,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 11:06:29" (1/3) ... [2023-08-30 11:06:30,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ab9d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:06:30, skipping insertion in model container [2023-08-30 11:06:30,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:06:29" (2/3) ... [2023-08-30 11:06:30,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ab9d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:06:30, skipping insertion in model container [2023-08-30 11:06:30,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:06:30" (3/3) ... [2023-08-30 11:06:30,338 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2023-08-30 11:06:30,344 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 11:06:30,352 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 11:06:30,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-08-30 11:06:30,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ab9d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 11:06:30, skipping insertion in model container [2023-08-30 11:06:30,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 11:06:30,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 11:06:30,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 11:06:30,355 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 11:06:30,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:06:30" (3/3) ... [2023-08-30 11:06:30,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 11:06:30,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-30 11:06:30,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-30 11:06:30,365 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-08-30 11:06:30,365 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 11:06:30,366 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 11:06:30,366 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 11:06:30,402 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 11:06:30,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 11:06:30,403 INFO L158 Benchmark]: Toolchain (without parser) took 737.86ms. Allocated memory is still 75.5MB. Free memory was 53.5MB in the beginning and 41.4MB in the end (delta: 12.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-08-30 11:06:30,404 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 11:06:30,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.79ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 42.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 11:06:30,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.75ms. Allocated memory is still 75.5MB. Free memory was 42.8MB in the beginning and 41.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 11:06:30,405 INFO L158 Benchmark]: Boogie Preprocessor took 16.14ms. Allocated memory is still 75.5MB. Free memory was 41.3MB in the beginning and 40.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 11:06:30,406 INFO L158 Benchmark]: RCFGBuilder took 384.26ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 46.9MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 11:06:30,406 INFO L158 Benchmark]: TraceAbstraction took 20.91ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 44.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 11:06:30,407 INFO L158 Benchmark]: Witness Printer took 47.67ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 41.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 11:06:30,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.79ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 42.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.75ms. Allocated memory is still 75.5MB. Free memory was 42.8MB in the beginning and 41.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.14ms. Allocated memory is still 75.5MB. Free memory was 41.3MB in the beginning and 40.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.26ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 46.9MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20.91ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 44.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.67ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 41.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. 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 11:06:30,445 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