./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8 --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:48:06,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:48:06,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:48:06,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:48:06,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:48:06,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:48:06,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:48:06,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:48:06,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:48:06,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:48:06,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:48:06,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:48:06,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:48:06,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:48:06,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:48:06,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:48:06,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:48:06,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:48:06,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:48:06,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:48:06,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:48:06,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:48:06,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:48:06,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:48:06,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:48:06,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:48:06,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:48:06,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:48:06,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:48:06,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:48:06,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:48:06,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:48:06,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:48:06,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:48:06,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:48:06,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:48:06,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:48:06,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:48:06,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:48:06,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:48:06,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:48:06,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 20:48:06,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:48:06,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:48:06,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:48:06,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:48:06,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:48:06,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:48:06,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:48:06,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:48:06,102 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:48:06,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:48:06,102 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:48:06,103 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:48:06,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:48:06,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:48:06,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:48:06,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:48:06,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:48:06,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:48:06,103 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:48:06,104 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:48:06,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:48:06,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:48:06,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:48:06,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:48:06,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:48:06,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:48:06,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:48:06,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:48:06,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:48:06,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:48:06,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:48:06,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:48:06,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:48:06,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:48:06,106 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:48:06,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:48:06,106 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:48:06,106 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-12-13 20:48:06,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:48:06,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:48:06,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:48:06,298 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:48:06,298 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:48:06,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread/singleton.i [2022-12-13 20:48:08,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:48:09,112 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:48:09,113 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/sv-benchmarks/c/pthread/singleton.i [2022-12-13 20:48:09,123 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/data/2a15b67d4/b72dc228c0fe4ec0926238ed319854d1/FLAG579bea2ad [2022-12-13 20:48:09,138 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/data/2a15b67d4/b72dc228c0fe4ec0926238ed319854d1 [2022-12-13 20:48:09,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:48:09,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:48:09,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:48:09,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:48:09,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:48:09,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d96b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09, skipping insertion in model container [2022-12-13 20:48:09,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:48:09,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:48:09,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:48:09,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-12-13 20:48:09,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:48:09,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:48:09,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:48:09,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:48:09,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:48:09,584 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:48:09,596 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:48:09,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-12-13 20:48:09,617 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:48:09,617 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:48:09,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:48:09,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:48:09,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:48:09,674 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:48:09,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09 WrapperNode [2022-12-13 20:48:09,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:48:09,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:48:09,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:48:09,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:48:09,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,717 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-12-13 20:48:09,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:48:09,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:48:09,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:48:09,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:48:09,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:48:09,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:48:09,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:48:09,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:48:09,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (1/1) ... [2022-12-13 20:48:09,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:48:09,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:48:09,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:48:09,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:48:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 20:48:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:48:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:48:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 20:48:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:48:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-12-13 20:48:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-12-13 20:48:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 20:48:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 20:48:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 20:48:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 20:48:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 20:48:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 20:48:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:48:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:48:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:48:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:48:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:48:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:48:09,807 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 20:48:09,912 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:48:09,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:48:10,078 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:48:10,083 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:48:10,083 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:48:10,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:48:10 BoogieIcfgContainer [2022-12-13 20:48:10,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:48:10,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:48:10,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:48:10,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:48:10,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:48:09" (1/3) ... [2022-12-13 20:48:10,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6821c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:48:10, skipping insertion in model container [2022-12-13 20:48:10,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:48:09" (2/3) ... [2022-12-13 20:48:10,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6821c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:48:10, skipping insertion in model container [2022-12-13 20:48:10,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:48:10" (3/3) ... [2022-12-13 20:48:10,091 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2022-12-13 20:48:10,099 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 20:48:10,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:48:10,107 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-13 20:48:10,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6821c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:48:10, skipping insertion in model container [2022-12-13 20:48:10,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:48:10,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:48:10,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:48:10,109 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:48:10,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:48:10" (3/3) ... [2022-12-13 20:48:10,112 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:48:10,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2022-12-13 20:48:10,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 20:48:10,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 20:48:10,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 20:48:10,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 20:48:10,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:48:10,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:48:10,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:48:10,145 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:48:10,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:48:10,146 INFO L158 Benchmark]: Toolchain (without parser) took 1003.94ms. Allocated memory is still 140.5MB. Free memory was 102.5MB in the beginning and 97.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 20:48:10,146 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 140.5MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:48:10,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.87ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 68.9MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 20:48:10,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.34ms. Allocated memory is still 140.5MB. Free memory was 68.9MB in the beginning and 66.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:48:10,147 INFO L158 Benchmark]: Boogie Preprocessor took 28.05ms. Allocated memory is still 140.5MB. Free memory was 66.4MB in the beginning and 64.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:48:10,148 INFO L158 Benchmark]: RCFGBuilder took 338.04ms. Allocated memory is still 140.5MB. Free memory was 64.7MB in the beginning and 103.4MB in the end (delta: -38.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:48:10,148 INFO L158 Benchmark]: TraceAbstraction took 21.71ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 100.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:48:10,149 INFO L158 Benchmark]: Witness Printer took 36.08ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 97.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:48:10,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 140.5MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.87ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 68.9MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.34ms. Allocated memory is still 140.5MB. Free memory was 68.9MB in the beginning and 66.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.05ms. Allocated memory is still 140.5MB. Free memory was 66.4MB in the beginning and 64.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.04ms. Allocated memory is still 140.5MB. Free memory was 64.7MB in the beginning and 103.4MB in the end (delta: -38.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21.71ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 100.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 36.08ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 97.8MB 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! [2022-12-13 20:48:10,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6007a2e-2750-435e-8e2d-34402b1ef025/bin/uautomizer-uyxdKDjOR8/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