./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix042.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/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_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix042.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 --- 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 16:47:26,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:47:26,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:47:26,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:47:26,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:47:26,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:47:26,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:47:26,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:47:26,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:47:26,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:47:26,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:47:26,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:47:26,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:47:26,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:47:26,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:47:26,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:47:26,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:47:26,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:47:26,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:47:26,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:47:26,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:47:26,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:47:26,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:47:26,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:47:26,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:47:26,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:47:26,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:47:26,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:47:26,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:47:26,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:47:26,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:47:26,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:47:26,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:47:26,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:47:26,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:47:26,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:47:26,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:47:26,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:47:26,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:47:26,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:47:26,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:47:26,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 16:47:27,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:47:27,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:47:27,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:47:27,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:47:27,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:47:27,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:47:27,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:47:27,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:47:27,029 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:47:27,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:47:27,031 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:47:27,031 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:47:27,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:47:27,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:47:27,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:47:27,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:47:27,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:47:27,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:47:27,033 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 16:47:27,033 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:47:27,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:47:27,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:47:27,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:47:27,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:47:27,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:47:27,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:47:27,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:47:27,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:47:27,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:47:27,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:47:27,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:47:27,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:47:27,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:47:27,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:47:27,038 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:47:27,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:47:27,039 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_e5ef7fea-f035-4915-a2a4-2c09ae964019/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 [2022-11-25 16:47:27,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:47:27,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:47:27,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:47:27,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:47:27,384 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:47:27,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/mix042.opt.i [2022-11-25 16:47:30,347 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:47:30,680 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:47:30,681 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/sv-benchmarks/c/pthread-wmm/mix042.opt.i [2022-11-25 16:47:30,695 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/data/a969fca8a/a5d74adcd412482f838a43bd7bf7b6fd/FLAGdae679fb9 [2022-11-25 16:47:30,710 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/data/a969fca8a/a5d74adcd412482f838a43bd7bf7b6fd [2022-11-25 16:47:30,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:47:30,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:47:30,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:47:30,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:47:30,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:47:30,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:47:30" (1/1) ... [2022-11-25 16:47:30,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36dc63ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:30, skipping insertion in model container [2022-11-25 16:47:30,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:47:30" (1/1) ... [2022-11-25 16:47:30,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:47:30,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:47:30,933 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_e5ef7fea-f035-4915-a2a4-2c09ae964019/sv-benchmarks/c/pthread-wmm/mix042.opt.i[944,957] [2022-11-25 16:47:31,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,235 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,276 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,277 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:47:31,324 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:47:31,342 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_e5ef7fea-f035-4915-a2a4-2c09ae964019/sv-benchmarks/c/pthread-wmm/mix042.opt.i[944,957] [2022-11-25 16:47:31,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 16:47:31,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 16:47:31,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:47:31,521 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:47:31,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31 WrapperNode [2022-11-25 16:47:31,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:47:31,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:47:31,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:47:31,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:47:31,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,636 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 953 [2022-11-25 16:47:31,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:47:31,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:47:31,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:47:31,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:47:31,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,733 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:47:31,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:47:31,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:47:31,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:47:31,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (1/1) ... [2022-11-25 16:47:31,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:47:31,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:47:31,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:47:31,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef7fea-f035-4915-a2a4-2c09ae964019/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:47:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:47:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 16:47:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:47:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:47:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:47:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 16:47:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 16:47:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 16:47:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 16:47:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 16:47:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 16:47:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:47:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 16:47:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:47:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:47:31,847 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 16:47:32,092 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:47:32,094 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:47:33,627 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:47:55,396 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:47:55,397 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:47:55,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:47:55 BoogieIcfgContainer [2022-11-25 16:47:55,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:47:55,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:47:55,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:47:55,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:47:55,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:47:30" (1/3) ... [2022-11-25 16:47:55,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1621fa70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:47:55, skipping insertion in model container [2022-11-25 16:47:55,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:47:31" (2/3) ... [2022-11-25 16:47:55,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1621fa70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:47:55, skipping insertion in model container [2022-11-25 16:47:55,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:47:55" (3/3) ... [2022-11-25 16:47:55,420 INFO L112 eAbstractionObserver]: Analyzing ICFG mix042.opt.i [2022-11-25 16:47:55,430 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 16:47:55,441 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:47:55,441 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 220 error locations. [2022-11-25 16:47:55,441 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 16:47:57,572 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 16:47:57,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 348 places, 340 transitions, 695 flow [2022-11-25 16:47:59,469 INFO L130 PetriNetUnfolder]: 2/337 cut-off events. [2022-11-25 16:47:59,469 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:47:59,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 337 events. 2/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1811 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2022-11-25 16:47:59,484 INFO L82 GeneralOperation]: Start removeDead. Operand has 348 places, 340 transitions, 695 flow [2022-11-25 16:47:59,505 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 345 places, 337 transitions, 683 flow [2022-11-25 16:47:59,511 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 16:47:59,541 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 337 transitions, 683 flow [2022-11-25 16:47:59,544 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 337 transitions, 683 flow [2022-11-25 16:47:59,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 337 transitions, 683 flow [2022-11-25 16:48:00,575 INFO L130 PetriNetUnfolder]: 2/337 cut-off events. [2022-11-25 16:48:00,575 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:48:00,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 337 events. 2/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1806 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2022-11-25 16:48:00,598 INFO L119 LiptonReduction]: Number of co-enabled transitions 44886 [2022-11-25 16:50:01,609 WARN L233 SmtUtils]: Spent 34.59s on a formula simplification. DAG size of input: 4334 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:50:56,540 WARN L233 SmtUtils]: Spent 54.91s on a formula simplification. DAG size of input: 5386 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:52:09,111 WARN L233 SmtUtils]: Spent 1.21m on a formula simplification. DAG size of input: 5352 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:53:10,602 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 5351 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:55:06,235 WARN L233 SmtUtils]: Spent 1.83m on a formula simplification. DAG size of input: 9010 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:58:25,847 WARN L233 SmtUtils]: Spent 3.33m on a formula simplification. DAG size of input: 9012 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:58:50,643 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 1741 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:58:56,598 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 1798 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:59:17,762 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 1850 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:59:23,702 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 1593 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:59:29,841 WARN L233 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 1835 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:15,318 WARN L233 SmtUtils]: Spent 11.60s on a formula simplification. DAG size of input: 2324 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:22,742 WARN L233 SmtUtils]: Spent 7.38s on a formula simplification. DAG size of input: 2324 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:32,349 WARN L233 SmtUtils]: Spent 9.53s on a formula simplification. DAG size of input: 2361 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:42,364 WARN L233 SmtUtils]: Spent 9.98s on a formula simplification. DAG size of input: 2348 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:54,949 WARN L233 SmtUtils]: Spent 12.35s on a formula simplification. DAG size of input: 2980 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:01:06,503 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 3012 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:01:21,730 WARN L233 SmtUtils]: Spent 15.15s on a formula simplification. DAG size of input: 3016 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:01:32,566 WARN L233 SmtUtils]: Spent 10.79s on a formula simplification. DAG size of input: 2925 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:01:42,829 WARN L233 SmtUtils]: Spent 7.58s on a formula simplification. DAG size of input: 2480 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:02:01,959 WARN L233 SmtUtils]: Spent 19.12s on a formula simplification. DAG size of input: 3121 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:02:17,688 WARN L233 SmtUtils]: Spent 15.46s on a formula simplification. DAG size of input: 3182 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)