./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_rmo.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/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_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8 --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 85e3ce8f111292d815206f012225ed7eff4e108dc07a389f6fa2d1590522afb0 --- 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 15:49:39,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:49:39,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:49:39,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:49:39,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:49:39,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:49:39,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:49:39,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:49:39,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:49:39,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:49:39,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:49:39,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:49:39,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:49:39,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:49:39,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:49:39,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:49:39,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:49:39,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:49:39,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:49:39,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:49:39,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:49:39,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:49:39,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:49:39,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:49:39,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:49:39,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:49:39,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:49:39,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:49:39,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:49:39,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:49:39,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:49:39,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:49:39,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:49:39,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:49:39,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:49:39,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:49:39,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:49:39,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:49:39,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:49:39,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:49:39,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:49:39,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 15:49:39,295 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:49:39,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:49:39,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:49:39,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:49:39,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:49:39,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:49:39,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:49:39,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:49:39,297 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:49:39,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:49:39,297 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:49:39,297 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:49:39,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:49:39,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:49:39,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:49:39,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:49:39,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:49:39,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:49:39,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:49:39,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:49:39,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:49:39,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:49:39,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:49:39,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:49:39,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:49:39,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:49:39,300 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:49:39,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:49:39,300 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:49:39,300 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_9a205fc3-1b4c-4e61-9ca2-c988742bda11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85e3ce8f111292d815206f012225ed7eff4e108dc07a389f6fa2d1590522afb0 [2022-12-13 15:49:39,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:49:39,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:49:39,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:49:39,483 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:49:39,483 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:49:39,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/safe027_rmo.i [2022-12-13 15:49:41,946 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:49:42,171 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:49:42,172 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/sv-benchmarks/c/pthread-wmm/safe027_rmo.i [2022-12-13 15:49:42,182 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/data/d0012e626/0389491cd3a04e7480227243cd483ffb/FLAGab62db876 [2022-12-13 15:49:42,525 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/data/d0012e626/0389491cd3a04e7480227243cd483ffb [2022-12-13 15:49:42,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:49:42,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:49:42,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:49:42,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:49:42,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:49:42,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:42,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac61d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42, skipping insertion in model container [2022-12-13 15:49:42,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:42,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:49:42,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:49:42,679 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_9a205fc3-1b4c-4e61-9ca2-c988742bda11/sv-benchmarks/c/pthread-wmm/safe027_rmo.i[988,1001] [2022-12-13 15:49:42,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,804 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:49:42,844 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:49:42,853 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_9a205fc3-1b4c-4e61-9ca2-c988742bda11/sv-benchmarks/c/pthread-wmm/safe027_rmo.i[988,1001] [2022-12-13 15:49:42,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,883 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,894 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,894 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:49:42,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:49:42,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:49:42,925 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:49:42,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42 WrapperNode [2022-12-13 15:49:42,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:49:42,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:49:42,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:49:42,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:49:42,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:42,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:42,969 INFO L138 Inliner]: procedures = 177, calls = 82, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 337 [2022-12-13 15:49:42,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:49:42,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:49:42,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:49:42,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:49:42,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:42,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:42,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:42,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:43,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:43,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:43,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:43,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:43,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:49:43,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:49:43,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:49:43,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:49:43,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (1/1) ... [2022-12-13 15:49:43,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:49:43,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:49:43,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:49:43,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a205fc3-1b4c-4e61-9ca2-c988742bda11/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:49:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:49:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:49:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 15:49:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:49:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:49:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:49:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 15:49:43,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 15:49:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 15:49:43,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 15:49:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 15:49:43,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 15:49:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 15:49:43,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 15:49:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:49:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 15:49:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:49:43,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:49:43,108 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 15:49:43,270 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:49:43,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:49:44,315 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:55:01,956 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:55:01,957 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:55:01,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:55:01 BoogieIcfgContainer [2022-12-13 15:55:01,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:55:01,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:55:01,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:55:01,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:55:01,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:49:42" (1/3) ... [2022-12-13 15:55:01,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cebb474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:55:01, skipping insertion in model container [2022-12-13 15:55:01,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:49:42" (2/3) ... [2022-12-13 15:55:01,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cebb474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:55:01, skipping insertion in model container [2022-12-13 15:55:01,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:55:01" (3/3) ... [2022-12-13 15:55:01,964 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_rmo.i [2022-12-13 15:55:01,971 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:55:01,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:55:01,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 281 error locations. [2022-12-13 15:55:01,978 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:55:28,814 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 15:55:28,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 445 places, 434 transitions, 888 flow [2022-12-13 15:56:35,481 INFO L130 PetriNetUnfolder]: 2/430 cut-off events. [2022-12-13 15:56:35,481 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:56:35,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 430 events. 2/430 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2549 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 369. Up to 2 conditions per place. [2022-12-13 15:56:35,491 INFO L82 GeneralOperation]: Start removeDead. Operand has 445 places, 434 transitions, 888 flow [2022-12-13 15:56:35,511 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 430 transitions, 872 flow [2022-12-13 15:56:35,514 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:56:35,524 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 430 transitions, 872 flow [2022-12-13 15:56:35,526 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 430 transitions, 872 flow [2022-12-13 15:56:35,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 441 places, 430 transitions, 872 flow [2022-12-13 15:57:38,221 INFO L130 PetriNetUnfolder]: 2/430 cut-off events. [2022-12-13 15:57:38,221 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:57:38,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 430 events. 2/430 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2548 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 369. Up to 2 conditions per place. [2022-12-13 15:57:38,241 INFO L119 LiptonReduction]: Number of co-enabled transitions 91986 [2022-12-13 15:58:15,598 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 1279 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:58:24,194 WARN L233 SmtUtils]: Spent 8.57s on a formula simplification. DAG size of input: 1396 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:58:33,061 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 1427 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:58:42,780 WARN L233 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 1437 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:58:51,171 WARN L233 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 1406 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:59:00,519 WARN L233 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 1421 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:59:06,514 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 1419 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:59:13,352 WARN L233 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 1299 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:59:19,853 WARN L233 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 1299 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:59:29,600 WARN L233 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 1299 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:59:34,651 WARN L233 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 1591 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:59:44,694 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification. DAG size of input: 2009 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:59:51,473 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 1510 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:00:02,681 WARN L233 SmtUtils]: Spent 11.20s on a formula simplification. DAG size of input: 1929 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:00:10,150 WARN L233 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 1455 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:00:19,385 WARN L233 SmtUtils]: Spent 9.23s on a formula simplification. DAG size of input: 1437 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:00:26,539 WARN L233 SmtUtils]: Spent 7.15s on a formula simplification. DAG size of input: 1885 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:00:40,766 WARN L233 SmtUtils]: Spent 14.22s on a formula simplification. DAG size of input: 2360 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:00:54,565 WARN L233 SmtUtils]: Spent 13.79s on a formula simplification. DAG size of input: 2606 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:01:28,269 WARN L233 SmtUtils]: Spent 33.69s on a formula simplification. DAG size of input: 3331 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:01:38,904 WARN L233 SmtUtils]: Spent 10.62s on a formula simplification. DAG size of input: 2673 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:02:07,258 WARN L233 SmtUtils]: Spent 28.34s on a formula simplification. DAG size of input: 3408 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:02:24,876 WARN L233 SmtUtils]: Spent 17.60s on a formula simplification. DAG size of input: 3449 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:02:34,321 WARN L233 SmtUtils]: Spent 9.44s on a formula simplification. DAG size of input: 2722 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:03:12,172 WARN L233 SmtUtils]: Spent 37.84s on a formula simplification. DAG size of input: 3480 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)