./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R --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 be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:27:19,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:27:19,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:27:19,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:27:19,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:27:19,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:27:19,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:27:19,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:27:19,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:27:19,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:27:19,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:27:19,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:27:19,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:27:19,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:27:19,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:27:19,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:27:19,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:27:19,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:27:19,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:27:19,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:27:19,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:27:19,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:27:19,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:27:19,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:27:19,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:27:19,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:27:19,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:27:19,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:27:19,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:27:19,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:27:19,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:27:19,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:27:19,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:27:19,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:27:19,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:27:19,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:27:19,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:27:19,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:27:19,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:27:19,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:27:19,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:27:19,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 18:27:19,576 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:27:19,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:27:19,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:27:19,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:27:19,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:27:19,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:27:19,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:27:19,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:27:19,581 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:27:19,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:27:19,582 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:27:19,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:27:19,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:27:19,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:27:19,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:27:19,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:27:19,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:27:19,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:27:19,584 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:27:19,584 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:27:19,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:27:19,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:27:19,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:27:19,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:27:19,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:27:19,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:27:19,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:27:19,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:27:19,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:27:19,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:27:19,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:27:19,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:27:19,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:27:19,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:27:19,589 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:27:19,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:27:19,589 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_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 [2022-11-25 18:27:19,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:27:19,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:27:19,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:27:19,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:27:19,983 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:27:19,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2022-11-25 18:27:23,061 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:27:23,309 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:27:23,310 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2022-11-25 18:27:23,322 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/data/c621794fc/a246881902bc4ba3b7acf590f3889493/FLAG2a03bd727 [2022-11-25 18:27:23,343 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/data/c621794fc/a246881902bc4ba3b7acf590f3889493 [2022-11-25 18:27:23,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:27:23,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:27:23,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:27:23,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:27:23,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:27:23,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:27:23" (1/1) ... [2022-11-25 18:27:23,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363bd747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:23, skipping insertion in model container [2022-11-25 18:27:23,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:27:23" (1/1) ... [2022-11-25 18:27:23,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:27:23,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:27:23,695 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_e69cd2de-4951-427c-a44f-6e34053f0072/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2022-11-25 18:27:23,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,883 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:23,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:23,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:27:24,006 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:27:24,022 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_e69cd2de-4951-427c-a44f-6e34053f0072/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2022-11-25 18:27:24,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:27:24,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:27:24,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:27:24,206 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:27:24,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24 WrapperNode [2022-11-25 18:27:24,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:27:24,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:27:24,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:27:24,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:27:24,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,333 INFO L138 Inliner]: procedures = 176, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 554 [2022-11-25 18:27:24,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:27:24,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:27:24,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:27:24,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:27:24,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:27:24,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:27:24,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:27:24,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:27:24,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2022-11-25 18:27:24,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:27:24,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:27:24,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:27:24,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69cd2de-4951-427c-a44f-6e34053f0072/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:27:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:27:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:27:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:27:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:27:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:27:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:27:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 18:27:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 18:27:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 18:27:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 18:27:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 18:27:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 18:27:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:27:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:27:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:27:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:27:24,515 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:27:24,744 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:27:24,746 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:27:26,503 INFO L276 CfgBuilder]: Performing block encoding