./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe018_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_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81ed16bb51b8da596bb3c9a2024b72d3baf359b31125524126025207d822fe2c --- 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 [2022-11-26 00:00:29,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:00:29,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:00:29,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:00:29,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:00:29,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:00:29,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:00:29,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:00:29,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:00:29,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:00:29,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:00:29,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:00:29,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:00:29,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:00:29,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:00:29,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:00:29,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:00:29,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:00:29,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:00:29,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:00:29,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:00:29,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:00:29,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:00:29,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:00:29,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:00:29,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:00:29,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:00:29,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:00:29,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:00:29,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:00:29,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:00:29,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:00:29,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:00:29,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:00:29,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:00:29,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:00:29,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:00:29,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:00:29,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:00:29,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:00:29,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:00:29,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 00:00:29,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:00:29,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:00:29,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:00:29,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:00:29,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:00:29,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:00:29,211 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:00:29,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:00:29,212 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:00:29,212 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:00:29,213 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:00:29,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:00:29,214 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:00:29,214 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:00:29,214 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:00:29,215 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:00:29,215 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:00:29,215 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:00:29,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:00:29,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:00:29,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:00:29,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:00:29,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:00:29,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:00:29,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:00:29,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:00:29,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:00:29,219 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 00:00:29,219 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:00:29,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:00:29,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:00:29,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:00:29,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:00:29,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:00:29,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:00:29,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:00:29,222 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:00:29,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:00:29,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:00:29,223 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:00:29,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:00:29,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:00:29,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:00:29,224 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_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81ed16bb51b8da596bb3c9a2024b72d3baf359b31125524126025207d822fe2c [2022-11-26 00:00:29,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:00:29,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:00:29,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:00:29,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:00:29,555 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:00:29,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-wmm/safe018_power.opt.i [2022-11-26 00:00:32,655 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:00:32,992 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:00:32,993 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/sv-benchmarks/c/pthread-wmm/safe018_power.opt.i [2022-11-26 00:00:33,009 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/data/38537f139/a525c69a8fb2460d9822af5393a54f7e/FLAG4d1b9a8e4 [2022-11-26 00:00:33,034 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/data/38537f139/a525c69a8fb2460d9822af5393a54f7e [2022-11-26 00:00:33,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:00:33,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:00:33,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:00:33,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:00:33,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:00:33,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cfc6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33, skipping insertion in model container [2022-11-26 00:00:33,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:00:33,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:00:33,308 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_b476a815-668d-4b0f-8f33-2454d430cbe9/sv-benchmarks/c/pthread-wmm/safe018_power.opt.i[994,1007] [2022-11-26 00:00:33,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,500 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,500 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,523 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:00:33,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:00:33,638 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_b476a815-668d-4b0f-8f33-2454d430cbe9/sv-benchmarks/c/pthread-wmm/safe018_power.opt.i[994,1007] [2022-11-26 00:00:33,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,723 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,723 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,728 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:00:33,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:00:33,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:00:33,788 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:00:33,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33 WrapperNode [2022-11-26 00:00:33,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:00:33,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:00:33,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:00:33,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:00:33,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,866 INFO L138 Inliner]: procedures = 176, calls = 75, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 546 [2022-11-26 00:00:33,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:00:33,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:00:33,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:00:33,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:00:33,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:33,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:34,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:34,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:00:34,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:00:34,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:00:34,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:00:34,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33" (1/1) ... [2022-11-26 00:00:34,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:00:34,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:00:34,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:00:34,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b476a815-668d-4b0f-8f33-2454d430cbe9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:00:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:00:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:00:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:00:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:00:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:00:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:00:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-26 00:00:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-26 00:00:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-26 00:00:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-26 00:00:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-26 00:00:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-26 00:00:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:00:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:00:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:00:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:00:34,130 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:00:34,499 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:00:34,501 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:00:36,546 INFO L276 CfgBuilder]: Performing block encoding