./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/security.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/security.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 417dec4be084b2867b601c43d125afd61f7d3912bd17641ca10c0f094ab6abe0 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 08:37:22,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 08:37:22,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 08:37:22,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 08:37:22,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 08:37:22,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 08:37:22,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 08:37:22,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 08:37:22,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 08:37:22,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 08:37:22,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 08:37:22,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 08:37:22,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 08:37:22,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 08:37:22,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 08:37:22,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 08:37:22,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 08:37:22,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 08:37:22,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 08:37:22,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 08:37:22,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 08:37:22,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 08:37:22,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 08:37:22,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 08:37:22,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 08:37:22,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 08:37:22,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 08:37:22,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 08:37:22,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 08:37:22,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 08:37:22,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 08:37:22,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 08:37:22,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 08:37:22,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 08:37:22,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 08:37:22,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 08:37:22,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 08:37:22,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 08:37:22,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 08:37:22,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 08:37:22,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 08:37:22,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 08:37:22,925 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 08:37:22,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 08:37:22,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 08:37:22,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 08:37:22,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 08:37:22,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 08:37:22,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 08:37:22,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 08:37:22,928 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 08:37:22,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 08:37:22,929 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 08:37:22,929 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 08:37:22,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 08:37:22,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 08:37:22,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 08:37:22,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 08:37:22,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 08:37:22,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 08:37:22,931 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 08:37:22,931 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 08:37:22,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 08:37:22,931 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 08:37:22,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 08:37:22,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 08:37:22,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 08:37:22,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 08:37:22,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 08:37:22,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 08:37:22,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 08:37:22,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 08:37:22,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 08:37:22,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 08:37:22,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 08:37:22,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 08:37:22,933 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 08:37:22,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 08:37:22,934 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 08:37:22,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 417dec4be084b2867b601c43d125afd61f7d3912bd17641ca10c0f094ab6abe0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 08:37:23,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 08:37:23,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 08:37:23,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 08:37:23,270 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 08:37:23,270 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 08:37:23,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/security.wvr.c [2023-09-01 08:37:24,297 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 08:37:24,490 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 08:37:24,491 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/security.wvr.c [2023-09-01 08:37:24,497 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157c1ca5c/d067517a05584454a73df05c294de45e/FLAG4df8cfc4f [2023-09-01 08:37:24,507 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157c1ca5c/d067517a05584454a73df05c294de45e [2023-09-01 08:37:24,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 08:37:24,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 08:37:24,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 08:37:24,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 08:37:24,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 08:37:24,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760b7722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24, skipping insertion in model container [2023-09-01 08:37:24,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 08:37:24,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 08:37:24,648 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/security.wvr.c[1931,1944] [2023-09-01 08:37:24,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 08:37:24,658 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 08:37:24,672 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/security.wvr.c[1931,1944] [2023-09-01 08:37:24,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 08:37:24,685 INFO L208 MainTranslator]: Completed translation [2023-09-01 08:37:24,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24 WrapperNode [2023-09-01 08:37:24,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 08:37:24,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 08:37:24,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 08:37:24,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 08:37:24,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,713 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-09-01 08:37:24,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 08:37:24,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 08:37:24,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 08:37:24,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 08:37:24,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 08:37:24,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 08:37:24,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 08:37:24,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 08:37:24,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (1/1) ... [2023-09-01 08:37:24,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 08:37:24,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 08:37:24,762 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) [2023-09-01 08:37:24,795 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 [2023-09-01 08:37:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 08:37:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-01 08:37:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-01 08:37:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-01 08:37:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-01 08:37:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 08:37:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 08:37:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 08:37:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 08:37:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 08:37:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 08:37:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 08:37:24,812 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 08:37:24,912 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 08:37:24,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 08:37:25,100 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 08:37:25,106 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 08:37:25,116 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 08:37:25,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 08:37:25 BoogieIcfgContainer [2023-09-01 08:37:25,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 08:37:25,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 08:37:25,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 08:37:25,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 08:37:25,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 08:37:24" (1/3) ... [2023-09-01 08:37:25,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de72700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 08:37:25, skipping insertion in model container [2023-09-01 08:37:25,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 08:37:24" (2/3) ... [2023-09-01 08:37:25,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de72700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 08:37:25, skipping insertion in model container [2023-09-01 08:37:25,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 08:37:25" (3/3) ... [2023-09-01 08:37:25,130 INFO L112 eAbstractionObserver]: Analyzing ICFG security.wvr.c [2023-09-01 08:37:25,137 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 08:37:25,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 08:37:25,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-09-01 08:37:25,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de72700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 08:37:25, skipping insertion in model container [2023-09-01 08:37:25,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 08:37:25,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 08:37:25,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 08:37:25,148 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 08:37:25,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 08:37:25" (3/3) ... [2023-09-01 08:37:25,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 08:37:25,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-09-01 08:37:25,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-09-01 08:37:25,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-09-01 08:37:25,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-09-01 08:37:25,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 08:37:25,169 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 08:37:25,209 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 08:37:25,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 08:37:25,210 INFO L158 Benchmark]: Toolchain (without parser) took 699.66ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 33.9MB in the end (delta: 12.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-09-01 08:37:25,210 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 08:37:25,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.23ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 35.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-09-01 08:37:25,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.06ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 34.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 08:37:25,211 INFO L158 Benchmark]: Boogie Preprocessor took 17.68ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 33.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 08:37:25,212 INFO L158 Benchmark]: RCFGBuilder took 386.10ms. Allocated memory is still 69.2MB. Free memory was 33.0MB in the beginning and 39.6MB in the end (delta: -6.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-09-01 08:37:25,212 INFO L158 Benchmark]: TraceAbstraction took 26.93ms. Allocated memory is still 69.2MB. Free memory was 38.9MB in the beginning and 36.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 08:37:25,213 INFO L158 Benchmark]: Witness Printer took 61.03ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 33.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 08:37:25,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.23ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 35.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.06ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 34.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.68ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 33.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.10ms. Allocated memory is still 69.2MB. Free memory was 33.0MB in the beginning and 39.6MB in the end (delta: -6.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * TraceAbstraction took 26.93ms. Allocated memory is still 69.2MB. Free memory was 38.9MB in the beginning and 36.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 61.03ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 33.9MB in the end (delta: 2.8MB). 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! [2023-09-01 08:37:25,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE