./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-atomic/peterson.i --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/pthread-atomic/peterson.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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --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 08:25:58,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:25:58,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:25:58,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:25:58,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:25:58,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:25:58,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:25:58,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:25:58,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:25:58,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:25:58,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:25:58,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:25:58,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:25:58,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:25:58,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:25:58,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:25:58,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:25:58,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:25:58,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:25:58,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:25:58,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:25:58,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:25:58,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:25:58,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:25:58,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:25:58,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:25:58,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:25:58,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:25:58,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:25:58,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:25:58,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:25:58,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:25:58,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:25:58,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:25:58,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:25:58,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:25:58,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:25:58,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:25:58,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:25:58,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:25:58,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:25:58,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:25:58,249 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:25:58,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:25:58,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:25:58,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:25:58,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:25:58,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:25:58,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:25:58,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:25:58,253 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:25:58,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:25:58,253 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:25:58,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:25:58,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:25:58,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:25:58,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:25:58,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:25:58,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:25:58,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:25:58,255 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:25:58,255 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:25:58,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:25:58,255 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:25:58,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:25:58,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:25:58,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:25:58,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:25:58,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:25:58,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:25:58,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:25:58,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:25:58,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:25:58,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:25:58,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:25:58,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:25:58,258 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:25:58,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:25:58,258 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:25:58,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:25:58,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:25:58,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:25:58,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:25:58,555 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:25:58,555 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:25:58,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2023-08-30 08:25:59,481 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:25:59,730 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:25:59,737 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2023-08-30 08:25:59,744 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d510e71a1/9b8f3a626fb4485c9c2d26b41a3a1739/FLAG9d77fcbc0 [2023-08-30 08:25:59,755 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d510e71a1/9b8f3a626fb4485c9c2d26b41a3a1739 [2023-08-30 08:25:59,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:25:59,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:25:59,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:25:59,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:25:59,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:25:59,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:25:59" (1/1) ... [2023-08-30 08:25:59,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a38e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:25:59, skipping insertion in model container [2023-08-30 08:25:59,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:25:59" (1/1) ... [2023-08-30 08:25:59,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:25:59,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:25:59,927 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 08:26:00,046 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2023-08-30 08:26:00,050 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2023-08-30 08:26:00,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:26:00,065 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:26:00,082 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 08:26:00,100 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2023-08-30 08:26:00,106 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2023-08-30 08:26:00,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:26:00,139 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:00,140 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:00,140 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:00,145 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:26:00,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00 WrapperNode [2023-08-30 08:26:00,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:26:00,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:26:00,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:26:00,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:26:00,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,198 INFO L138 Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-08-30 08:26:00,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:26:00,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:26:00,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:26:00,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:26:00,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:26:00,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:26:00,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:26:00,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:26:00,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (1/1) ... [2023-08-30 08:26:00,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:26:00,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:26:00,302 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 08:26:00,343 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 08:26:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 08:26:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-30 08:26:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-30 08:26:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 08:26:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 08:26:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:26:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:26:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:26:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:26:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:26:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:26:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:26:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:26:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:26:00,360 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 08:26:00,506 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:26:00,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:26:00,623 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:26:00,627 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:26:00,627 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 08:26:00,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:26:00 BoogieIcfgContainer [2023-08-30 08:26:00,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:26:00,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:26:00,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:26:00,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:26:00,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:25:59" (1/3) ... [2023-08-30 08:26:00,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed9a107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:26:00, skipping insertion in model container [2023-08-30 08:26:00,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:00" (2/3) ... [2023-08-30 08:26:00,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed9a107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:26:00, skipping insertion in model container [2023-08-30 08:26:00,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:26:00" (3/3) ... [2023-08-30 08:26:00,637 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2023-08-30 08:26:00,643 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:26:00,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:26:00,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-08-30 08:26:00,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed9a107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:26:00, skipping insertion in model container [2023-08-30 08:26:00,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:26:00,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:26:00,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:26:00,654 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:26:00,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:26:00" (3/3) ... [2023-08-30 08:26:00,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:26:00,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-08-30 08:26:00,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-08-30 08:26:00,665 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-30 08:26:00,666 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 08:26:00,666 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 08:26:00,666 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:26:00,695 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:26:00,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:26:00,697 INFO L158 Benchmark]: Toolchain (without parser) took 938.29ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 47.6MB in the end (delta: 16.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-08-30 08:26:00,697 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:26:00,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.98ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 44.1MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 08:26:00,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.90ms. Allocated memory is still 88.1MB. Free memory was 43.8MB in the beginning and 67.4MB in the end (delta: -23.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-08-30 08:26:00,702 INFO L158 Benchmark]: Boogie Preprocessor took 44.41ms. Allocated memory is still 88.1MB. Free memory was 67.4MB in the beginning and 65.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:26:00,702 INFO L158 Benchmark]: RCFGBuilder took 386.43ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 52.8MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 08:26:00,702 INFO L158 Benchmark]: TraceAbstraction took 21.65ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 50.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:26:00,702 INFO L158 Benchmark]: Witness Printer took 41.93ms. Allocated memory is still 88.1MB. Free memory was 50.0MB in the beginning and 47.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:26:00,707 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 60.8MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.98ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 44.1MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.90ms. Allocated memory is still 88.1MB. Free memory was 43.8MB in the beginning and 67.4MB in the end (delta: -23.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.41ms. Allocated memory is still 88.1MB. Free memory was 67.4MB in the beginning and 65.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.43ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 52.8MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 21.65ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 50.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.93ms. Allocated memory is still 88.1MB. Free memory was 50.0MB in the beginning and 47.6MB in the end (delta: 2.4MB). 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 08:26:00,732 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