./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.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_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- 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 22:16:18,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:16:18,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:16:18,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:16:18,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:16:18,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:16:18,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:16:18,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:16:18,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:16:18,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:16:18,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:16:18,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:16:18,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:16:18,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:16:18,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:16:18,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:16:18,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:16:18,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:16:18,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:16:18,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:16:18,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:16:18,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:16:18,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:16:18,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:16:18,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:16:18,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:16:18,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:16:18,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:16:18,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:16:18,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:16:18,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:16:18,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:16:18,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:16:18,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:16:18,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:16:18,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:16:18,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:16:18,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:16:18,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:16:18,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:16:18,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:16:18,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 22:16:18,252 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:16:18,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:16:18,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:16:18,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:16:18,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:16:18,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:16:18,254 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:16:18,254 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:16:18,255 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:16:18,255 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:16:18,256 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:16:18,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:16:18,256 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:16:18,257 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:16:18,257 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:16:18,257 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:16:18,257 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:16:18,257 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:16:18,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:16:18,258 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:16:18,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:16:18,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:16:18,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:16:18,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:16:18,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:16:18,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:16:18,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:16:18,260 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 22:16:18,261 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:16:18,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:16:18,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:16:18,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:16:18,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:16:18,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:16:18,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:16:18,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:16:18,262 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:16:18,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:16:18,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:16:18,263 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:16:18,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:16:18,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:16:18,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:16:18,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2022-11-25 22:16:18,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:16:18,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:16:18,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:16:18,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:16:18,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:16:18,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-atomic/lamport.i [2022-11-25 22:16:21,603 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:16:21,864 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:16:21,864 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/sv-benchmarks/c/pthread-atomic/lamport.i [2022-11-25 22:16:21,876 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/data/4ceb47244/2926b8b1ed5945ab87fc81c062598fc6/FLAG5fc412b35 [2022-11-25 22:16:21,891 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/data/4ceb47244/2926b8b1ed5945ab87fc81c062598fc6 [2022-11-25 22:16:21,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:16:21,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:16:21,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:16:21,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:16:21,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:16:21,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:16:21" (1/1) ... [2022-11-25 22:16:21,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9be048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:21, skipping insertion in model container [2022-11-25 22:16:21,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:16:21" (1/1) ... [2022-11-25 22:16:21,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:16:21,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:16:22,182 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:16:22,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,411 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,419 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,425 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_37af9d44-3934-45ac-a55f-72efe01be78d/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-11-25 22:16:22,425 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,441 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,441 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,445 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,445 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,448 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_37af9d44-3934-45ac-a55f-72efe01be78d/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-11-25 22:16:22,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:16:22,477 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:16:22,503 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:16:22,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,550 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_37af9d44-3934-45ac-a55f-72efe01be78d/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-11-25 22:16:22,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,574 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,577 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_37af9d44-3934-45ac-a55f-72efe01be78d/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-11-25 22:16:22,578 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,578 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,579 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:16:22,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:16:22,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:16:22,629 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:16:22,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22 WrapperNode [2022-11-25 22:16:22,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:16:22,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:16:22,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:16:22,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:16:22,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,707 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-11-25 22:16:22,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:16:22,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:16:22,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:16:22,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:16:22,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,780 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:16:22,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:16:22,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:16:22,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:16:22,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (1/1) ... [2022-11-25 22:16:22,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:16:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:16:22,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:16:22,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:16:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:16:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-25 22:16:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-25 22:16:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-25 22:16:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-25 22:16:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:16:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 22:16:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:16:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:16:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:16:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:16:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 22:16:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:16:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:16:22,871 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:16:22,997 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:16:22,998 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:16:23,571 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:16:23,674 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:16:23,675 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-25 22:16:23,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:16:23 BoogieIcfgContainer [2022-11-25 22:16:23,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:16:23,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:16:23,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:16:23,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:16:23,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:16:21" (1/3) ... [2022-11-25 22:16:23,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5faa3f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:16:23, skipping insertion in model container [2022-11-25 22:16:23,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:16:22" (2/3) ... [2022-11-25 22:16:23,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5faa3f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:16:23, skipping insertion in model container [2022-11-25 22:16:23,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:16:23" (3/3) ... [2022-11-25 22:16:23,687 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2022-11-25 22:16:23,696 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 22:16:23,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:16:23,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-25 22:16:23,708 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:16:23,793 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 22:16:23,837 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:16:23,874 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 191 transitions, 398 flow [2022-11-25 22:16:23,877 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 191 transitions, 398 flow [2022-11-25 22:16:23,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 191 transitions, 398 flow [2022-11-25 22:16:24,003 INFO L130 PetriNetUnfolder]: 24/189 cut-off events. [2022-11-25 22:16:24,004 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 22:16:24,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 189 events. 24/189 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 549 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 151. Up to 5 conditions per place. [2022-11-25 22:16:24,019 INFO L119 LiptonReduction]: Number of co-enabled transitions 13068 [2022-11-25 22:16:28,002 INFO L134 LiptonReduction]: Checked pairs total: 46265 [2022-11-25 22:16:28,002 INFO L136 LiptonReduction]: Total number of compositions: 203 [2022-11-25 22:16:28,010 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 104 transitions, 224 flow [2022-11-25 22:16:28,256 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4640 states, 3899 states have (on average 3.563477814824314) internal successors, (13894), 4639 states have internal predecessors, (13894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:28,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:16:28,290 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72ff7000, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:16:28,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2022-11-25 22:16:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 4640 states, 3899 states have (on average 3.563477814824314) internal successors, (13894), 4639 states have internal predecessors, (13894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:28,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 22:16:28,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:28,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 22:16:28,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:28,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:28,322 INFO L85 PathProgramCache]: Analyzing trace with hash 32438122, now seen corresponding path program 1 times [2022-11-25 22:16:28,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:28,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613420324] [2022-11-25 22:16:28,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:28,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:28,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:28,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613420324] [2022-11-25 22:16:28,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613420324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:28,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:28,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:16:28,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211685924] [2022-11-25 22:16:28,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:28,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:16:28,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:28,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:16:28,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:16:28,557 INFO L87 Difference]: Start difference. First operand has 4640 states, 3899 states have (on average 3.563477814824314) internal successors, (13894), 4639 states have internal predecessors, (13894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:28,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:28,704 INFO L93 Difference]: Finished difference Result 1103 states and 3180 transitions. [2022-11-25 22:16:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:16:28,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 22:16:28,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:28,736 INFO L225 Difference]: With dead ends: 1103 [2022-11-25 22:16:28,736 INFO L226 Difference]: Without dead ends: 1080 [2022-11-25 22:16:28,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:16:28,741 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:28,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:28,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2022-11-25 22:16:28,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1080. [2022-11-25 22:16:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 1072 states have (on average 2.9151119402985075) internal successors, (3125), 1079 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 3125 transitions. [2022-11-25 22:16:28,877 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 3125 transitions. Word has length 4 [2022-11-25 22:16:28,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:28,878 INFO L495 AbstractCegarLoop]: Abstraction has 1080 states and 3125 transitions. [2022-11-25 22:16:28,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 3125 transitions. [2022-11-25 22:16:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 22:16:28,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:28,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:28,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:16:28,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:28,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:28,881 INFO L85 PathProgramCache]: Analyzing trace with hash 278514555, now seen corresponding path program 1 times [2022-11-25 22:16:28,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:28,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237768943] [2022-11-25 22:16:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:28,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:29,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:29,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237768943] [2022-11-25 22:16:29,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237768943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:29,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:29,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:16:29,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188537632] [2022-11-25 22:16:29,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:29,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:16:29,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:29,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:16:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:16:29,029 INFO L87 Difference]: Start difference. First operand 1080 states and 3125 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:29,199 INFO L93 Difference]: Finished difference Result 1080 states and 3110 transitions. [2022-11-25 22:16:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:16:29,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 22:16:29,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:29,207 INFO L225 Difference]: With dead ends: 1080 [2022-11-25 22:16:29,208 INFO L226 Difference]: Without dead ends: 1080 [2022-11-25 22:16:29,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:16:29,209 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:29,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 5 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2022-11-25 22:16:29,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1064. [2022-11-25 22:16:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1056 states have (on average 2.909090909090909) internal successors, (3072), 1063 states have internal predecessors, (3072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 3072 transitions. [2022-11-25 22:16:29,292 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 3072 transitions. Word has length 11 [2022-11-25 22:16:29,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:29,292 INFO L495 AbstractCegarLoop]: Abstraction has 1064 states and 3072 transitions. [2022-11-25 22:16:29,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 3072 transitions. [2022-11-25 22:16:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:16:29,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:29,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:29,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:16:29,296 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:29,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:29,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1620790744, now seen corresponding path program 1 times [2022-11-25 22:16:29,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:29,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019793531] [2022-11-25 22:16:29,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:29,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:29,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:29,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019793531] [2022-11-25 22:16:29,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019793531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:29,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:29,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:16:29,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033794360] [2022-11-25 22:16:29,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:29,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:16:29,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:29,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:16:29,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:16:29,353 INFO L87 Difference]: Start difference. First operand 1064 states and 3072 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:29,507 INFO L93 Difference]: Finished difference Result 1062 states and 3049 transitions. [2022-11-25 22:16:29,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:16:29,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-25 22:16:29,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:29,514 INFO L225 Difference]: With dead ends: 1062 [2022-11-25 22:16:29,514 INFO L226 Difference]: Without dead ends: 1062 [2022-11-25 22:16:29,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:16:29,515 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:29,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 4 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-11-25 22:16:29,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1046. [2022-11-25 22:16:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1039 states have (on average 2.8989412897016362) internal successors, (3012), 1045 states have internal predecessors, (3012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 3012 transitions. [2022-11-25 22:16:29,550 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 3012 transitions. Word has length 13 [2022-11-25 22:16:29,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:29,552 INFO L495 AbstractCegarLoop]: Abstraction has 1046 states and 3012 transitions. [2022-11-25 22:16:29,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 3012 transitions. [2022-11-25 22:16:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:16:29,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:29,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:29,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:16:29,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:29,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:29,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1364542732, now seen corresponding path program 1 times [2022-11-25 22:16:29,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:29,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151656813] [2022-11-25 22:16:29,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:29,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:29,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:29,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151656813] [2022-11-25 22:16:29,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151656813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:29,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:29,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:16:29,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105382956] [2022-11-25 22:16:29,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:29,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:16:29,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:29,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:16:29,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:16:29,601 INFO L87 Difference]: Start difference. First operand 1046 states and 3012 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:29,752 INFO L93 Difference]: Finished difference Result 1008 states and 2866 transitions. [2022-11-25 22:16:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:16:29,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-25 22:16:29,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:29,758 INFO L225 Difference]: With dead ends: 1008 [2022-11-25 22:16:29,758 INFO L226 Difference]: Without dead ends: 720 [2022-11-25 22:16:29,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:16:29,759 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 54 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:29,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 6 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:29,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-11-25 22:16:29,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2022-11-25 22:16:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 716 states have (on average 2.9064245810055866) internal successors, (2081), 719 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 2081 transitions. [2022-11-25 22:16:29,784 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 2081 transitions. Word has length 13 [2022-11-25 22:16:29,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:29,784 INFO L495 AbstractCegarLoop]: Abstraction has 720 states and 2081 transitions. [2022-11-25 22:16:29,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:29,785 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 2081 transitions. [2022-11-25 22:16:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 22:16:29,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:29,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:29,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:16:29,788 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:29,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:29,788 INFO L85 PathProgramCache]: Analyzing trace with hash -121747933, now seen corresponding path program 1 times [2022-11-25 22:16:29,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:29,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217132760] [2022-11-25 22:16:29,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:29,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:29,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:29,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217132760] [2022-11-25 22:16:29,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217132760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:29,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:29,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:29,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867138943] [2022-11-25 22:16:29,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:29,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:29,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:29,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:29,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:29,863 INFO L87 Difference]: Start difference. First operand 720 states and 2081 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:30,064 INFO L93 Difference]: Finished difference Result 1446 states and 4202 transitions. [2022-11-25 22:16:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:30,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-25 22:16:30,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:30,093 INFO L225 Difference]: With dead ends: 1446 [2022-11-25 22:16:30,094 INFO L226 Difference]: Without dead ends: 900 [2022-11-25 22:16:30,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:30,095 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 70 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:30,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 21 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:16:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2022-11-25 22:16:30,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 826. [2022-11-25 22:16:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 822 states have (on average 2.849148418491484) internal successors, (2342), 825 states have internal predecessors, (2342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 2342 transitions. [2022-11-25 22:16:30,125 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 2342 transitions. Word has length 21 [2022-11-25 22:16:30,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:30,125 INFO L495 AbstractCegarLoop]: Abstraction has 826 states and 2342 transitions. [2022-11-25 22:16:30,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,126 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 2342 transitions. [2022-11-25 22:16:30,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 22:16:30,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:30,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:30,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:16:30,128 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:30,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:30,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1047515679, now seen corresponding path program 1 times [2022-11-25 22:16:30,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:30,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497033464] [2022-11-25 22:16:30,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:30,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:30,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:30,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497033464] [2022-11-25 22:16:30,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497033464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:30,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:30,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:30,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608894198] [2022-11-25 22:16:30,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:30,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:30,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:30,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:30,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:30,186 INFO L87 Difference]: Start difference. First operand 826 states and 2342 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:30,457 INFO L93 Difference]: Finished difference Result 2396 states and 6803 transitions. [2022-11-25 22:16:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:16:30,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-25 22:16:30,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:30,472 INFO L225 Difference]: With dead ends: 2396 [2022-11-25 22:16:30,472 INFO L226 Difference]: Without dead ends: 2396 [2022-11-25 22:16:30,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:30,475 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 152 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:30,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 30 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:16:30,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-11-25 22:16:30,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 958. [2022-11-25 22:16:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 954 states have (on average 2.842767295597484) internal successors, (2712), 957 states have internal predecessors, (2712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 2712 transitions. [2022-11-25 22:16:30,530 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 2712 transitions. Word has length 21 [2022-11-25 22:16:30,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:30,531 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 2712 transitions. [2022-11-25 22:16:30,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 2712 transitions. [2022-11-25 22:16:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 22:16:30,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:30,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:30,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:16:30,535 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:30,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:30,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1286195807, now seen corresponding path program 2 times [2022-11-25 22:16:30,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:30,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956918525] [2022-11-25 22:16:30,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:30,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:30,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:30,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956918525] [2022-11-25 22:16:30,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956918525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:30,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:30,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:30,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627932777] [2022-11-25 22:16:30,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:30,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:30,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:30,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:30,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:30,639 INFO L87 Difference]: Start difference. First operand 958 states and 2712 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:30,929 INFO L93 Difference]: Finished difference Result 2284 states and 6343 transitions. [2022-11-25 22:16:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:16:30,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-25 22:16:30,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:30,941 INFO L225 Difference]: With dead ends: 2284 [2022-11-25 22:16:30,941 INFO L226 Difference]: Without dead ends: 2230 [2022-11-25 22:16:30,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:30,942 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 139 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:30,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 27 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 22:16:30,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-11-25 22:16:30,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1054. [2022-11-25 22:16:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1050 states have (on average 2.8380952380952382) internal successors, (2980), 1053 states have internal predecessors, (2980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 2980 transitions. [2022-11-25 22:16:30,985 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 2980 transitions. Word has length 21 [2022-11-25 22:16:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:30,985 INFO L495 AbstractCegarLoop]: Abstraction has 1054 states and 2980 transitions. [2022-11-25 22:16:30,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 2980 transitions. [2022-11-25 22:16:30,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 22:16:30,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:30,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:30,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:16:30,989 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:30,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:30,989 INFO L85 PathProgramCache]: Analyzing trace with hash 582009305, now seen corresponding path program 3 times [2022-11-25 22:16:30,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:30,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974825433] [2022-11-25 22:16:30,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:30,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:31,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:31,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:31,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974825433] [2022-11-25 22:16:31,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974825433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:31,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:31,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:16:31,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447574405] [2022-11-25 22:16:31,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:31,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:16:31,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:31,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:16:31,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:16:31,029 INFO L87 Difference]: Start difference. First operand 1054 states and 2980 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:31,141 INFO L93 Difference]: Finished difference Result 1254 states and 3444 transitions. [2022-11-25 22:16:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:16:31,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-25 22:16:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:31,146 INFO L225 Difference]: With dead ends: 1254 [2022-11-25 22:16:31,146 INFO L226 Difference]: Without dead ends: 878 [2022-11-25 22:16:31,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:16:31,147 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 48 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:31,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 17 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:31,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2022-11-25 22:16:31,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 716. [2022-11-25 22:16:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 712 states have (on average 2.667134831460674) internal successors, (1899), 715 states have internal predecessors, (1899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1899 transitions. [2022-11-25 22:16:31,169 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1899 transitions. Word has length 21 [2022-11-25 22:16:31,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:31,170 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 1899 transitions. [2022-11-25 22:16:31,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1899 transitions. [2022-11-25 22:16:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 22:16:31,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:31,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:31,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:16:31,172 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:31,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:31,173 INFO L85 PathProgramCache]: Analyzing trace with hash -892202147, now seen corresponding path program 1 times [2022-11-25 22:16:31,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:31,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66894380] [2022-11-25 22:16:31,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:31,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:31,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:31,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66894380] [2022-11-25 22:16:31,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66894380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:31,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:31,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:31,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290381129] [2022-11-25 22:16:31,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:31,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:31,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:31,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:31,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:31,229 INFO L87 Difference]: Start difference. First operand 716 states and 1899 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:31,395 INFO L93 Difference]: Finished difference Result 868 states and 2225 transitions. [2022-11-25 22:16:31,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:16:31,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-25 22:16:31,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:31,400 INFO L225 Difference]: With dead ends: 868 [2022-11-25 22:16:31,400 INFO L226 Difference]: Without dead ends: 812 [2022-11-25 22:16:31,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:31,402 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 58 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:31,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 28 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:31,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2022-11-25 22:16:31,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 700. [2022-11-25 22:16:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 696 states have (on average 2.6508620689655173) internal successors, (1845), 699 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1845 transitions. [2022-11-25 22:16:31,424 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1845 transitions. Word has length 24 [2022-11-25 22:16:31,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:31,426 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 1845 transitions. [2022-11-25 22:16:31,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,427 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1845 transitions. [2022-11-25 22:16:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 22:16:31,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:31,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:31,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:16:31,429 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:31,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:31,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1834655399, now seen corresponding path program 1 times [2022-11-25 22:16:31,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:31,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915818380] [2022-11-25 22:16:31,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:31,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:31,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:31,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915818380] [2022-11-25 22:16:31,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915818380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:31,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:31,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:31,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299205707] [2022-11-25 22:16:31,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:31,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:31,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:31,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:31,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:31,518 INFO L87 Difference]: Start difference. First operand 700 states and 1845 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:31,653 INFO L93 Difference]: Finished difference Result 586 states and 1494 transitions. [2022-11-25 22:16:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:16:31,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-25 22:16:31,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:31,656 INFO L225 Difference]: With dead ends: 586 [2022-11-25 22:16:31,657 INFO L226 Difference]: Without dead ends: 530 [2022-11-25 22:16:31,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:31,657 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 30 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:31,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 20 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:31,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2022-11-25 22:16:31,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 502. [2022-11-25 22:16:31,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 498 states have (on average 2.5983935742971886) internal successors, (1294), 501 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 1294 transitions. [2022-11-25 22:16:31,674 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 1294 transitions. Word has length 24 [2022-11-25 22:16:31,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:31,675 INFO L495 AbstractCegarLoop]: Abstraction has 502 states and 1294 transitions. [2022-11-25 22:16:31,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1294 transitions. [2022-11-25 22:16:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-25 22:16:31,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:31,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:31,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:16:31,678 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:31,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:31,679 INFO L85 PathProgramCache]: Analyzing trace with hash 52689717, now seen corresponding path program 1 times [2022-11-25 22:16:31,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:31,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180652514] [2022-11-25 22:16:31,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:31,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:31,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:31,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180652514] [2022-11-25 22:16:31,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180652514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:31,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:31,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:31,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230703091] [2022-11-25 22:16:31,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:31,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:31,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:31,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:31,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:31,741 INFO L87 Difference]: Start difference. First operand 502 states and 1294 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:31,901 INFO L93 Difference]: Finished difference Result 762 states and 1873 transitions. [2022-11-25 22:16:31,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:31,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-25 22:16:31,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:31,905 INFO L225 Difference]: With dead ends: 762 [2022-11-25 22:16:31,905 INFO L226 Difference]: Without dead ends: 716 [2022-11-25 22:16:31,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:31,906 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 66 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:31,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 26 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:31,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-11-25 22:16:31,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 496. [2022-11-25 22:16:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 492 states have (on average 2.5508130081300813) internal successors, (1255), 495 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 1255 transitions. [2022-11-25 22:16:31,922 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 1255 transitions. Word has length 27 [2022-11-25 22:16:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:31,922 INFO L495 AbstractCegarLoop]: Abstraction has 496 states and 1255 transitions. [2022-11-25 22:16:31,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1255 transitions. [2022-11-25 22:16:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-25 22:16:31,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:31,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:31,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:16:31,924 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-25 22:16:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash 11875061, now seen corresponding path program 2 times [2022-11-25 22:16:31,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:31,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633837280] [2022-11-25 22:16:31,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:31,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:16:31,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:31,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633837280] [2022-11-25 22:16:31,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633837280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:31,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:31,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:31,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376358007] [2022-11-25 22:16:31,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:31,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:31,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:31,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:31,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:31,986 INFO L87 Difference]: Start difference. First operand 496 states and 1255 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:32,060 INFO L93 Difference]: Finished difference Result 214 states and 569 transitions. [2022-11-25 22:16:32,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:32,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-25 22:16:32,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:32,061 INFO L225 Difference]: With dead ends: 214 [2022-11-25 22:16:32,061 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:16:32,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:32,062 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:32,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 0 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:16:32,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:16:32,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:16:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:16:32,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-25 22:16:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:32,065 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:16:32,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:16:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:16:32,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:16:32,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2022-11-25 22:16:32,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2022-11-25 22:16:32,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2022-11-25 22:16:32,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2022-11-25 22:16:32,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2022-11-25 22:16:32,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2022-11-25 22:16:32,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2022-11-25 22:16:32,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2022-11-25 22:16:32,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2022-11-25 22:16:32,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2022-11-25 22:16:32,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2022-11-25 22:16:32,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2022-11-25 22:16:32,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2022-11-25 22:16:32,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2022-11-25 22:16:32,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2022-11-25 22:16:32,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2022-11-25 22:16:32,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2022-11-25 22:16:32,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2022-11-25 22:16:32,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2022-11-25 22:16:32,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2022-11-25 22:16:32,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2022-11-25 22:16:32,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2022-11-25 22:16:32,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2022-11-25 22:16:32,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2022-11-25 22:16:32,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2022-11-25 22:16:32,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2022-11-25 22:16:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2022-11-25 22:16:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2022-11-25 22:16:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2022-11-25 22:16:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2022-11-25 22:16:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2022-11-25 22:16:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2022-11-25 22:16:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2022-11-25 22:16:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2022-11-25 22:16:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2022-11-25 22:16:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2022-11-25 22:16:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2022-11-25 22:16:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2022-11-25 22:16:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2022-11-25 22:16:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2022-11-25 22:16:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2022-11-25 22:16:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2022-11-25 22:16:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2022-11-25 22:16:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2022-11-25 22:16:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 76 remaining) [2022-11-25 22:16:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 76 remaining) [2022-11-25 22:16:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (29 of 76 remaining) [2022-11-25 22:16:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2022-11-25 22:16:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2022-11-25 22:16:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2022-11-25 22:16:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2022-11-25 22:16:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2022-11-25 22:16:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2022-11-25 22:16:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2022-11-25 22:16:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2022-11-25 22:16:32,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2022-11-25 22:16:32,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2022-11-25 22:16:32,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2022-11-25 22:16:32,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2022-11-25 22:16:32,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2022-11-25 22:16:32,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2022-11-25 22:16:32,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2022-11-25 22:16:32,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2022-11-25 22:16:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2022-11-25 22:16:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2022-11-25 22:16:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2022-11-25 22:16:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2022-11-25 22:16:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2022-11-25 22:16:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2022-11-25 22:16:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2022-11-25 22:16:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2022-11-25 22:16:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2022-11-25 22:16:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2022-11-25 22:16:32,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2022-11-25 22:16:32,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2022-11-25 22:16:32,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2022-11-25 22:16:32,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:16:32,089 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:32,095 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 22:16:32,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:16:32,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:16:32 BasicIcfg [2022-11-25 22:16:32,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:16:32,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:16:32,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:16:32,101 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:16:32,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:16:23" (3/4) ... [2022-11-25 22:16:32,104 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:16:32,109 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-25 22:16:32,109 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-25 22:16:32,114 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-25 22:16:32,114 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 22:16:32,115 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 22:16:32,115 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:16:32,154 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:16:32,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:16:32,155 INFO L158 Benchmark]: Toolchain (without parser) took 10259.54ms. Allocated memory was 130.0MB in the beginning and 188.7MB in the end (delta: 58.7MB). Free memory was 97.9MB in the beginning and 65.2MB in the end (delta: 32.7MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. [2022-11-25 22:16:32,155 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:16:32,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.32ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 68.8MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-25 22:16:32,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.88ms. Allocated memory is still 130.0MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:16:32,156 INFO L158 Benchmark]: Boogie Preprocessor took 74.54ms. Allocated memory is still 130.0MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:16:32,157 INFO L158 Benchmark]: RCFGBuilder took 892.83ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 64.6MB in the beginning and 116.1MB in the end (delta: -51.4MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-11-25 22:16:32,158 INFO L158 Benchmark]: TraceAbstraction took 8419.85ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 115.2MB in the beginning and 67.3MB in the end (delta: 47.8MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2022-11-25 22:16:32,158 INFO L158 Benchmark]: Witness Printer took 53.61ms. Allocated memory is still 188.7MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:16:32,162 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 104.9MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 733.32ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 68.8MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.88ms. Allocated memory is still 130.0MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.54ms. Allocated memory is still 130.0MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 892.83ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 64.6MB in the beginning and 116.1MB in the end (delta: -51.4MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8419.85ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 115.2MB in the beginning and 67.3MB in the end (delta: 47.8MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. * Witness Printer took 53.61ms. Allocated memory is still 188.7MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 174 PlacesBefore, 95 PlacesAfterwards, 191 TransitionsBefore, 104 TransitionsAfterwards, 13068 CoEnabledTransitionPairs, 7 FixpointIterations, 29 TrivialSequentialCompositions, 155 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 8 ChoiceCompositions, 203 TotalNumberOfCompositions, 46265 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24001, independent: 23401, independent conditional: 0, independent unconditional: 23401, dependent: 600, dependent conditional: 0, dependent unconditional: 600, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9652, independent: 9562, independent conditional: 0, independent unconditional: 9562, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9652, independent: 8959, independent conditional: 0, independent unconditional: 8959, dependent: 693, dependent conditional: 0, dependent unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 693, independent: 603, independent conditional: 0, independent unconditional: 603, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 525, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24001, independent: 13839, independent conditional: 0, independent unconditional: 13839, dependent: 510, dependent conditional: 0, dependent unconditional: 510, unknown: 9652, unknown conditional: 0, unknown unconditional: 9652] , Statistics on independence cache: Total cache size (in pairs): 1572, Positive cache size: 1515, Positive conditional cache size: 0, Positive unconditional cache size: 1515, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 280 locations, 76 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 701 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 701 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2248 IncrementalHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 96 mSDtfsCounter, 2248 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4640occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 3242 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 22:16:32,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37af9d44-3934-45ac-a55f-72efe01be78d/bin/utaipan-ByfvJB40ur/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