./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R --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 --- 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-38b53e6 [2022-11-25 17:22:32,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:22:32,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:22:32,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:22:32,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:22:32,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:22:32,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:22:32,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:22:32,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:22:32,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:22:32,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:22:32,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:22:32,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:22:32,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:22:32,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:22:32,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:22:32,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:22:32,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:22:32,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:22:32,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:22:32,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:22:32,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:22:32,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:22:32,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:22:32,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:22:32,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:22:32,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:22:32,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:22:32,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:22:32,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:22:32,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:22:32,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:22:32,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:22:32,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:22:32,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:22:32,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:22:32,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:22:32,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:22:32,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:22:32,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:22:32,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:22:32,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 17:22:32,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:22:32,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:22:32,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:22:32,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:22:32,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:22:32,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:22:32,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:22:32,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:22:32,384 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:22:32,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:22:32,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:22:32,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:22:32,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:22:32,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:22:32,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:22:32,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:22:32,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:22:32,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:22:32,387 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:22:32,387 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:22:32,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:22:32,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:22:32,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:22:32,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:22:32,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:22:32,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:22:32,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:22:32,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:22:32,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:22:32,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:22:32,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:22:32,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:22:32,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:22:32,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:22:32,391 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:22:32,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:22:32,392 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_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 [2022-11-25 17:22:32,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:22:32,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:22:32,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:22:32,757 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:22:32,757 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:22:32,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-atomic/peterson.i [2022-11-25 17:22:36,086 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:22:36,404 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:22:36,405 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/sv-benchmarks/c/pthread-atomic/peterson.i [2022-11-25 17:22:36,439 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/data/fb1cb163f/4afe705fb7de43e085584ee2d05a91c2/FLAGce161393c [2022-11-25 17:22:36,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/data/fb1cb163f/4afe705fb7de43e085584ee2d05a91c2 [2022-11-25 17:22:36,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:22:36,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:22:36,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:22:36,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:22:36,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:22:36,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:36" (1/1) ... [2022-11-25 17:22:36,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cde1d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:36, skipping insertion in model container [2022-11-25 17:22:36,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:36" (1/1) ... [2022-11-25 17:22:36,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:22:36,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:22:36,835 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:22:37,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,016 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_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010] [2022-11-25 17:22:37,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,026 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_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695] [2022-11-25 17:22:37,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:22:37,045 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:22:37,065 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:22:37,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,100 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_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010] [2022-11-25 17:22:37,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,122 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_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695] [2022-11-25 17:22:37,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:22:37,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:22:37,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:22:37,171 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:22:37,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37 WrapperNode [2022-11-25 17:22:37,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:22:37,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:22:37,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:22:37,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:22:37,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,225 INFO L138 Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-11-25 17:22:37,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:22:37,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:22:37,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:22:37,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:22:37,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:22:37,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:22:37,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:22:37,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:22:37,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (1/1) ... [2022-11-25 17:22:37,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:22:37,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:22:37,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:22:37,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:22:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:22:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-25 17:22:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-25 17:22:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-25 17:22:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-25 17:22:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:22:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 17:22:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:22:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:22:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:22:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:22:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 17:22:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:22:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:22:37,424 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:22:37,573 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:22:37,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:22:37,861 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:22:37,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:22:37,869 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:22:37,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:37 BoogieIcfgContainer [2022-11-25 17:22:37,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:22:37,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:22:37,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:22:37,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:22:37,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:22:36" (1/3) ... [2022-11-25 17:22:37,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9755ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:22:37, skipping insertion in model container [2022-11-25 17:22:37,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:37" (2/3) ... [2022-11-25 17:22:37,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9755ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:22:37, skipping insertion in model container [2022-11-25 17:22:37,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:37" (3/3) ... [2022-11-25 17:22:37,883 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2022-11-25 17:22:37,894 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:22:37,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:22:37,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 17:22:37,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9755ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:22:37, skipping insertion in model container [2022-11-25 17:22:37,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:22:37,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:22:37,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:22:37,912 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:22:37,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:37" (3/3) ... [2022-11-25 17:22:37,917 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:22:37,925 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-25 17:22:37,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-25 17:22:37,931 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-25 17:22:37,931 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:22:37,931 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 17:22:37,931 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:22:37,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:22:37,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:22:37,976 INFO L158 Benchmark]: Toolchain (without parser) took 1511.85ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 72.7MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-25 17:22:37,977 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:22:37,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.57ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 94.9MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 17:22:37,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.44ms. Allocated memory is still 163.6MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:22:37,984 INFO L158 Benchmark]: Boogie Preprocessor took 71.05ms. Allocated memory is still 163.6MB. Free memory was 92.8MB in the beginning and 91.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:22:37,989 INFO L158 Benchmark]: RCFGBuilder took 572.90ms. Allocated memory is still 163.6MB. Free memory was 91.5MB in the beginning and 78.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:22:37,990 INFO L158 Benchmark]: TraceAbstraction took 35.31ms. Allocated memory is still 163.6MB. Free memory was 77.5MB in the beginning and 75.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:22:37,990 INFO L158 Benchmark]: Witness Printer took 61.81ms. Allocated memory is still 163.6MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:22:37,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.57ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 94.9MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.44ms. Allocated memory is still 163.6MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.05ms. Allocated memory is still 163.6MB. Free memory was 92.8MB in the beginning and 91.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 572.90ms. Allocated memory is still 163.6MB. Free memory was 91.5MB in the beginning and 78.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 35.31ms. Allocated memory is still 163.6MB. Free memory was 77.5MB in the beginning and 75.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 61.81ms. Allocated memory is still 163.6MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.0MB). 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! [2022-11-25 17:22:38,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fc08e-faa7-48c3-ad6c-e3aa1832d7b3/bin/uautomizer-ZsLfNo2U6R/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