./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix040_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_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c011a0e45020881b0eb90c07839ec48e6b26942e49028568b078c64e0cf722 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:53:29,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:53:29,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:53:29,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:53:29,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:53:29,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:53:29,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:53:29,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:53:29,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:53:29,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:53:29,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:53:29,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:53:29,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:53:29,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:53:29,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:53:29,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:53:29,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:53:29,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:53:29,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:53:29,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:53:29,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:53:29,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:53:29,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:53:29,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:53:29,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:53:29,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:53:29,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:53:29,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:53:29,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:53:29,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:53:29,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:53:29,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:53:29,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:53:29,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:53:29,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:53:29,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:53:29,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:53:29,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:53:29,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:53:29,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:53:29,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:53:29,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 18:53:29,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:53:29,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:53:29,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:53:29,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:53:29,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:53:29,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:53:29,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:53:29,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:53:29,112 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:53:29,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:53:29,112 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:53:29,112 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:53:29,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:53:29,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:53:29,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:53:29,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:53:29,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:53:29,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:53:29,114 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:53:29,115 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c011a0e45020881b0eb90c07839ec48e6b26942e49028568b078c64e0cf722 [2022-12-13 18:53:29,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:53:29,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:53:29,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:53:29,293 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:53:29,293 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:53:29,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i [2022-12-13 18:53:31,907 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:53:32,096 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:53:32,096 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i [2022-12-13 18:53:32,107 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/data/e96c72083/fbd7bd82b8444af5b2e78212ec0f1822/FLAG738d9277c [2022-12-13 18:53:32,119 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/data/e96c72083/fbd7bd82b8444af5b2e78212ec0f1822 [2022-12-13 18:53:32,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:53:32,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:53:32,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:53:32,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:53:32,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:53:32,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec95e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32, skipping insertion in model container [2022-12-13 18:53:32,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:53:32,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:53:32,305 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_0a947aa5-53fc-4c3c-88ad-6b89a6468416/sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i[949,962] [2022-12-13 18:53:32,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,445 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:53:32,506 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:53:32,517 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_0a947aa5-53fc-4c3c-88ad-6b89a6468416/sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i[949,962] [2022-12-13 18:53:32,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,580 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,580 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:53:32,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:53:32,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:53:32,627 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:53:32,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32 WrapperNode [2022-12-13 18:53:32,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:53:32,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:53:32,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:53:32,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:53:32,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,685 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 964 [2022-12-13 18:53:32,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:53:32,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:53:32,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:53:32,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:53:32,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,715 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:53:32,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:53:32,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:53:32,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:53:32,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (1/1) ... [2022-12-13 18:53:32,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:53:32,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:53:32,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:53:32,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a947aa5-53fc-4c3c-88ad-6b89a6468416/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:53:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:53:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 18:53:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:53:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:53:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:53:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 18:53:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 18:53:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 18:53:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 18:53:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 18:53:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 18:53:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 18:53:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 18:53:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:53:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 18:53:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:53:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:53:32,784 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:53:32,936 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:53:32,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:53:33,878 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:57:24,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:57:24,173 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:57:24,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:57:24 BoogieIcfgContainer [2022-12-13 18:57:24,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:57:24,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:57:24,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:57:24,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:57:24,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:53:32" (1/3) ... [2022-12-13 18:57:24,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6781b793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:57:24, skipping insertion in model container [2022-12-13 18:57:24,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:53:32" (2/3) ... [2022-12-13 18:57:24,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6781b793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:57:24, skipping insertion in model container [2022-12-13 18:57:24,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:57:24" (3/3) ... [2022-12-13 18:57:24,181 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040_tso.oepc.i [2022-12-13 18:57:24,188 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:57:24,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:57:24,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 255 error locations. [2022-12-13 18:57:24,195 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:57:29,474 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 18:57:29,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 406 places, 395 transitions, 810 flow [2022-12-13 18:57:49,727 INFO L130 PetriNetUnfolder]: 2/391 cut-off events. [2022-12-13 18:57:49,727 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:57:49,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 391 events. 2/391 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2020 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 349. Up to 2 conditions per place. [2022-12-13 18:57:49,733 INFO L82 GeneralOperation]: Start removeDead. Operand has 406 places, 395 transitions, 810 flow [2022-12-13 18:57:49,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 402 places, 391 transitions, 794 flow [2022-12-13 18:57:49,748 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:57:49,756 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 391 transitions, 794 flow [2022-12-13 18:57:49,758 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 391 transitions, 794 flow [2022-12-13 18:57:49,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 402 places, 391 transitions, 794 flow [2022-12-13 18:58:09,542 INFO L130 PetriNetUnfolder]: 2/391 cut-off events. [2022-12-13 18:58:09,542 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:58:09,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 391 events. 2/391 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2015 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 349. Up to 2 conditions per place. [2022-12-13 18:58:09,558 INFO L119 LiptonReduction]: Number of co-enabled transitions 70098