./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/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_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/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_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/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 a555daf8b3d43d9709cd95be6561d3a47f75ee906fd0e296710c365eb1f220a2 --- 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 06:46:03,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:46:03,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:46:03,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:46:03,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:46:03,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:46:03,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:46:03,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:46:03,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:46:03,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:46:03,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:46:03,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:46:03,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:46:03,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:46:03,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:46:03,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:46:03,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:46:03,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:46:03,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:46:03,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:46:03,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:46:03,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:46:03,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:46:03,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:46:03,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:46:03,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:46:03,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:46:03,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:46:03,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:46:03,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:46:03,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:46:03,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:46:03,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:46:03,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:46:03,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:46:03,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:46:03,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:46:03,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:46:03,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:46:03,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:46:03,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:46:03,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:46:03,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:46:03,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:46:03,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:46:03,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:46:03,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:46:03,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:46:03,084 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:46:03,084 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:46:03,084 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:46:03,085 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:46:03,085 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:46:03,085 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:46:03,085 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:46:03,085 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:46:03,086 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:46:03,086 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:46:03,086 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:46:03,086 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:46:03,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:46:03,087 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:46:03,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:46:03,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:46:03,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:46:03,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:46:03,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:46:03,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:46:03,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:46:03,089 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:46:03,089 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:46:03,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:46:03,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:46:03,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:46:03,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:46:03,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:46:03,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:46:03,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:46:03,090 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:46:03,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:46:03,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:46:03,091 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:46:03,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:46:03,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:46:03,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:46:03,092 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_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a555daf8b3d43d9709cd95be6561d3a47f75ee906fd0e296710c365eb1f220a2 [2022-12-14 06:46:03,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:46:03,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:46:03,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:46:03,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:46:03,301 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:46:03,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i [2022-12-14 06:46:05,974 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:46:06,159 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:46:06,160 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i [2022-12-14 06:46:06,179 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/data/984f5bde7/7515cf5fccdb44d680fbb6049674d2e6/FLAGf4eb335b9 [2022-12-14 06:46:06,191 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/data/984f5bde7/7515cf5fccdb44d680fbb6049674d2e6 [2022-12-14 06:46:06,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:46:06,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:46:06,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:46:06,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:46:06,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:46:06,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20afbf2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06, skipping insertion in model container [2022-12-14 06:46:06,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:46:06,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:46:06,402 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_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i[949,962] [2022-12-14 06:46:06,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,579 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,579 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,580 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,643 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:46:06,687 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:46:06,698 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_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i[949,962] [2022-12-14 06:46:06,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,722 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,722 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,736 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,736 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:46:06,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:46:06,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:46:06,782 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:46:06,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06 WrapperNode [2022-12-14 06:46:06,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:46:06,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:46:06,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:46:06,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:46:06,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,852 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 2814 [2022-12-14 06:46:06,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:46:06,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:46:06,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:46:06,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:46:06,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:46:06,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:46:06,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:46:06,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:46:06,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (1/1) ... [2022-12-14 06:46:06,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:46:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:46:06,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:46:06,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5d2ad8-506f-49dc-814e-e99aa8fb3d02/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:46:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:46:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:46:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:46:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:46:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:46:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 06:46:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 06:46:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 06:46:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 06:46:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 06:46:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 06:46:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:46:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:46:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:46:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:46:06,982 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 06:46:07,212 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:46:07,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:46:08,985 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:53:14,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:53:14,387 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:53:14,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:53:14 BoogieIcfgContainer [2022-12-14 06:53:14,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:53:14,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:53:14,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:53:14,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:53:14,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:46:06" (1/3) ... [2022-12-14 06:53:14,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acced0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:53:14, skipping insertion in model container [2022-12-14 06:53:14,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:06" (2/3) ... [2022-12-14 06:53:14,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acced0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:53:14, skipping insertion in model container [2022-12-14 06:53:14,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:53:14" (3/3) ... [2022-12-14 06:53:14,395 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006_tso.oepc.i [2022-12-14 06:53:14,403 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:53:14,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:53:14,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 604 error locations. [2022-12-14 06:53:14,411 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:53:40,880 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 06:53:40,918 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:53:40,930 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 749 places, 741 transitions, 1497 flow [2022-12-14 06:53:40,932 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 749 places, 741 transitions, 1497 flow [2022-12-14 06:53:40,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 749 places, 741 transitions, 1497 flow [2022-12-14 06:54:11,902 INFO L130 PetriNetUnfolder]: 2/738 cut-off events. [2022-12-14 06:54:11,902 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 06:54:11,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 738 events. 2/738 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5451 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 681. Up to 2 conditions per place. [2022-12-14 06:54:11,962 INFO L119 LiptonReduction]: Number of co-enabled transitions 310412