./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs.i --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/pthread-ext/39_rand_lock_p0_vs.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 13ffae79fd42fd88852ffaba2bbbf2601df90fdda2b5dc6bd9b6228e2cf540c7 --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 05:11:11,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:11:11,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:11:11,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:11:11,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:11:11,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:11:11,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:11:11,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:11:11,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:11:11,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:11:11,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:11:11,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:11:11,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:11:11,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:11:11,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:11:11,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:11:11,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:11:11,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:11:11,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:11:11,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:11:11,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:11:11,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:11:11,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:11:11,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:11:11,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:11:11,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:11:11,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:11:11,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:11:11,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:11:11,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:11:11,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:11:11,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:11:11,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:11:11,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:11:11,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:11:11,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:11:11,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:11:11,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:11:11,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:11:11,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:11:11,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:11:11,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:11:11,865 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:11:11,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:11:11,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:11:11,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:11:11,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:11:11,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:11:11,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:11:11,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:11:11,869 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:11:11,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:11:11,870 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:11:11,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:11:11,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:11:11,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:11:11,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:11:11,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:11:11,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:11:11,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:11:11,872 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:11:11,872 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:11:11,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:11:11,872 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:11:11,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:11:11,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:11:11,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:11:11,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:11:11,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:11:11,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:11:11,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:11:11,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:11:11,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:11:11,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:11:11,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:11:11,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:11:11,876 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:11:11,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:11:11,876 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:11:11,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ffae79fd42fd88852ffaba2bbbf2601df90fdda2b5dc6bd9b6228e2cf540c7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:11:12,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:11:12,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:11:12,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:11:12,211 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:11:12,211 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:11:12,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs.i [2023-09-01 05:11:13,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:11:13,587 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:11:13,592 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs.i [2023-09-01 05:11:13,606 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6943bcd5f/a48159b14f1d45c999a6a06e10c166d3/FLAG7640cb265 [2023-09-01 05:11:13,617 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6943bcd5f/a48159b14f1d45c999a6a06e10c166d3 [2023-09-01 05:11:13,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:11:13,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:11:13,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:11:13,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:11:13,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:11:13,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:11:13" (1/1) ... [2023-09-01 05:11:13,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edb285c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:13, skipping insertion in model container [2023-09-01 05:11:13,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:11:13" (1/1) ... [2023-09-01 05:11:13,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:11:13,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:11:13,875 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 05:11:14,008 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-ext/39_rand_lock_p0_vs.i[30959,30972] [2023-09-01 05:11:14,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:11:14,024 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:11:14,046 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 05:11:14,064 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-ext/39_rand_lock_p0_vs.i[30959,30972] [2023-09-01 05:11:14,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:11:14,124 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:11:14,124 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:11:14,125 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:11:14,143 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:11:14,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14 WrapperNode [2023-09-01 05:11:14,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:11:14,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:11:14,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:11:14,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:11:14,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,201 INFO L138 Inliner]: procedures = 176, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2023-09-01 05:11:14,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:11:14,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:11:14,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:11:14,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:11:14,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:11:14,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:11:14,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:11:14,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:11:14,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (1/1) ... [2023-09-01 05:11:14,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:11:14,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:11:14,289 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 05:11:14,304 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 05:11:14,325 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-09-01 05:11:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-09-01 05:11:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:11:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:11:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:11:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:11:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:11:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:11:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:11:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:11:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:11:14,328 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 05:11:14,440 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:11:14,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:11:14,623 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:11:14,663 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:11:14,664 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-01 05:11:14,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:11:14 BoogieIcfgContainer [2023-09-01 05:11:14,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:11:14,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:11:14,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:11:14,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:11:14,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:11:13" (1/3) ... [2023-09-01 05:11:14,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b0b7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:11:14, skipping insertion in model container [2023-09-01 05:11:14,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:11:14" (2/3) ... [2023-09-01 05:11:14,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b0b7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:11:14, skipping insertion in model container [2023-09-01 05:11:14,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:11:14" (3/3) ... [2023-09-01 05:11:14,673 INFO L112 eAbstractionObserver]: Analyzing ICFG 39_rand_lock_p0_vs.i [2023-09-01 05:11:14,681 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:11:14,690 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:11:14,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-09-01 05:11:14,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b0b7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:11:14, skipping insertion in model container [2023-09-01 05:11:14,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:11:14,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:11:14,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:11:14,694 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:11:14,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:11:14" (3/3) ... [2023-09-01 05:11:14,696 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:11:14,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-09-01 05:11:14,703 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-09-01 05:11:14,703 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-09-01 05:11:14,703 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-09-01 05:11:14,704 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:11:14,731 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:11:14,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:11:14,733 INFO L158 Benchmark]: Toolchain (without parser) took 1111.95ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 45.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-09-01 05:11:14,734 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:11:14,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.77ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 46.8MB in the end (delta: 1.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-09-01 05:11:14,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.61ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 44.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:11:14,735 INFO L158 Benchmark]: Boogie Preprocessor took 52.19ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:11:14,735 INFO L158 Benchmark]: RCFGBuilder took 410.62ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 49.9MB in the end (delta: -6.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-09-01 05:11:14,736 INFO L158 Benchmark]: TraceAbstraction took 24.92ms. Allocated memory is still 71.3MB. Free memory was 49.6MB in the beginning and 47.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:11:14,736 INFO L158 Benchmark]: Witness Printer took 38.08ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 45.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:11:14,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.77ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 46.8MB in the end (delta: 1.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.61ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 44.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.19ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.62ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 49.9MB in the end (delta: -6.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 24.92ms. Allocated memory is still 71.3MB. Free memory was 49.6MB in the beginning and 47.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 38.08ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 45.0MB in the end (delta: 2.2MB). 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 05:11:14,760 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