./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh --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 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:53:33,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:53:33,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:53:33,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:53:33,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:53:33,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:53:33,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:53:33,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:53:33,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:53:33,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:53:33,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:53:33,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:53:33,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:53:33,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:53:33,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:53:33,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:53:33,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:53:33,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:53:33,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:53:33,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:53:33,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:53:33,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:53:33,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:53:33,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:53:33,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:53:33,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:53:33,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:53:33,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:53:33,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:53:33,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:53:33,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:53:33,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:53:33,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:53:33,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:53:33,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:53:33,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:53:33,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:53:33,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:53:33,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:53:33,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:53:33,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:53:33,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:53:33,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:53:33,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:53:33,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:53:33,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:53:33,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:53:33,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:53:33,592 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:53:33,593 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:53:33,593 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:53:33,593 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:53:33,593 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:53:33,593 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:53:33,594 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:53:33,594 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:53:33,594 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:53:33,594 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:53:33,594 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:53:33,595 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:53:33,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:53:33,596 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:53:33,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:53:33,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:53:33,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:53:33,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:53:33,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:53:33,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:53:33,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:53:33,597 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:53:33,597 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:53:33,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:53:33,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:53:33,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:53:33,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:53:33,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:53:33,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:53:33,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:53:33,599 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:53:33,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:53:33,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:53:33,599 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:53:33,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:53:33,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:53:33,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:53:33,600 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_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2022-12-14 06:53:33,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:53:33,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:53:33,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:53:33,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:53:33,828 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:53:33,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2022-12-14 06:53:36,438 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:53:36,646 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:53:36,647 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2022-12-14 06:53:36,658 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/data/7020c2aae/64f05ae85cfd4d14adcbf665b68fd5d5/FLAG721d4ba2d [2022-12-14 06:53:36,669 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/data/7020c2aae/64f05ae85cfd4d14adcbf665b68fd5d5 [2022-12-14 06:53:36,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:53:36,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:53:36,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:53:36,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:53:36,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:53:36,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:53:36" (1/1) ... [2022-12-14 06:53:36,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4849903b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:36, skipping insertion in model container [2022-12-14 06:53:36,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:53:36" (1/1) ... [2022-12-14 06:53:36,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:53:36,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:53:36,828 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_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2022-12-14 06:53:36,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:36,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:36,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:53:37,028 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:53:37,036 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_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2022-12-14 06:53:37,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:53:37,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:53:37,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:53:37,132 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:53:37,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37 WrapperNode [2022-12-14 06:53:37,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:53:37,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:53:37,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:53:37,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:53:37,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,228 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 2165 [2022-12-14 06:53:37,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:53:37,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:53:37,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:53:37,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:53:37,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:53:37,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:53:37,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:53:37,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:53:37,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (1/1) ... [2022-12-14 06:53:37,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:53:37,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:53:37,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:53:37,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f9eaf9-b68c-4ea4-bb18-d3dfaecc87da/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:53:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:53:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:53:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:53:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:53:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:53:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 06:53:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 06:53:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 06:53:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 06:53:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:53:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:53:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:53:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:53:37,349 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 06:53:37,537 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:53:37,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:53:39,256 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:58:27,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:58:27,673 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:58:27,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:27 BoogieIcfgContainer [2022-12-14 06:58:27,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:58:27,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:58:27,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:58:27,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:58:27,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:53:36" (1/3) ... [2022-12-14 06:58:27,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543c5e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:58:27, skipping insertion in model container [2022-12-14 06:58:27,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:37" (2/3) ... [2022-12-14 06:58:27,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543c5e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:58:27, skipping insertion in model container [2022-12-14 06:58:27,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:27" (3/3) ... [2022-12-14 06:58:27,682 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2022-12-14 06:58:27,689 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:58:27,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:58:27,696 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 594 error locations. [2022-12-14 06:58:27,696 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:58:51,603 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 06:58:51,636 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:58:51,648 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 714 places, 709 transitions, 1428 flow [2022-12-14 06:58:51,651 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 714 places, 709 transitions, 1428 flow [2022-12-14 06:58:51,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 714 places, 709 transitions, 1428 flow [2022-12-14 06:59:31,109 INFO L130 PetriNetUnfolder]: 2/707 cut-off events. [2022-12-14 06:59:31,110 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 06:59:31,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 707 events. 2/707 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5478 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 654. Up to 2 conditions per place. [2022-12-14 06:59:31,159 INFO L119 LiptonReduction]: Number of co-enabled transitions 270968