./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix022_tso.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_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/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_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix022_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/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_71c935b0-a25f-4802-9d73-1ec62da0ef8d/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 c9c6cc212d45f96c9e6587b0ee0d7644c3fabb2c198a03ef385d6df2e7b46689 --- 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 21:51:11,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:51:11,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:51:11,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:51:11,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:51:11,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:51:11,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:51:11,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:51:11,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:51:11,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:51:11,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:51:11,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:51:11,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:51:11,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:51:11,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:51:11,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:51:11,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:51:11,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:51:11,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:51:11,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:51:11,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:51:11,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:51:11,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:51:11,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:51:11,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:51:11,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:51:11,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:51:11,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:51:11,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:51:11,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:51:11,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:51:11,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:51:11,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:51:11,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:51:11,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:51:11,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:51:11,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:51:11,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:51:11,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:51:11,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:51:11,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:51:11,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:51:11,232 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:51:11,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:51:11,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:51:11,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:51:11,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:51:11,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:51:11,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:51:11,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:51:11,245 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:51:11,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:51:11,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:51:11,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:51:11,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:51:11,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:51:11,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:51:11,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:51:11,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:51:11,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:51:11,247 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:51:11,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:51:11,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:51:11,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:51:11,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:51:11,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:51:11,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:51:11,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:51:11,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:51:11,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:51:11,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:51:11,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:51:11,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:51:11,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:51:11,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:51:11,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:51:11,250 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:51:11,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:51:11,250 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:51:11,250 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_71c935b0-a25f-4802-9d73-1ec62da0ef8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9c6cc212d45f96c9e6587b0ee0d7644c3fabb2c198a03ef385d6df2e7b46689 [2022-12-13 21:51:11,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:51:11,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:51:11,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:51:11,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:51:11,471 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:51:11,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/mix022_tso.i [2022-12-13 21:51:14,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:51:14,292 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:51:14,293 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/sv-benchmarks/c/pthread-wmm/mix022_tso.i [2022-12-13 21:51:14,302 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/data/c8126a14c/ba0af6483b76489a83ac17262d6e3435/FLAGed4a07f00 [2022-12-13 21:51:14,313 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/data/c8126a14c/ba0af6483b76489a83ac17262d6e3435 [2022-12-13 21:51:14,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:51:14,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:51:14,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:51:14,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:51:14,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:51:14,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a815cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14, skipping insertion in model container [2022-12-13 21:51:14,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:51:14,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:51:14,486 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_71c935b0-a25f-4802-9d73-1ec62da0ef8d/sv-benchmarks/c/pthread-wmm/mix022_tso.i[944,957] [2022-12-13 21:51:14,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:51:14,636 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:51:14,645 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_71c935b0-a25f-4802-9d73-1ec62da0ef8d/sv-benchmarks/c/pthread-wmm/mix022_tso.i[944,957] [2022-12-13 21:51:14,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:51:14,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:51:14,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:51:14,713 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:51:14,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14 WrapperNode [2022-12-13 21:51:14,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:51:14,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:51:14,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:51:14,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:51:14,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,768 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 1362 [2022-12-13 21:51:14,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:51:14,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:51:14,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:51:14,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:51:14,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,800 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:51:14,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:51:14,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:51:14,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:51:14,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (1/1) ... [2022-12-13 21:51:14,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:51:14,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:14,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:51:14,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c935b0-a25f-4802-9d73-1ec62da0ef8d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:51:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:51:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 21:51:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:51:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:51:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:51:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 21:51:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 21:51:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 21:51:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 21:51:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:51:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 21:51:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:51:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:51:14,887 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 21:51:15,032 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:51:15,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:51:16,076 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:54:07,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:54:07,707 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:54:07,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:54:07 BoogieIcfgContainer [2022-12-13 21:54:07,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:54:07,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:54:07,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:54:07,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:54:07,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:51:14" (1/3) ... [2022-12-13 21:54:07,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62916856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:54:07, skipping insertion in model container [2022-12-13 21:54:07,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:14" (2/3) ... [2022-12-13 21:54:07,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62916856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:54:07, skipping insertion in model container [2022-12-13 21:54:07,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:54:07" (3/3) ... [2022-12-13 21:54:07,714 INFO L112 eAbstractionObserver]: Analyzing ICFG mix022_tso.i [2022-12-13 21:54:07,721 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:54:07,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:54:07,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 305 error locations. [2022-12-13 21:54:07,728 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:54:15,515 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 21:54:15,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 408 places, 403 transitions, 816 flow [2022-12-13 21:54:34,267 INFO L130 PetriNetUnfolder]: 2/401 cut-off events. [2022-12-13 21:54:34,267 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:54:34,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 401 events. 2/401 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2683 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 363. Up to 2 conditions per place. [2022-12-13 21:54:34,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 408 places, 403 transitions, 816 flow [2022-12-13 21:54:34,286 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 406 places, 401 transitions, 808 flow [2022-12-13 21:54:34,288 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:54:34,296 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 401 transitions, 808 flow [2022-12-13 21:54:34,298 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 401 transitions, 808 flow [2022-12-13 21:54:34,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 406 places, 401 transitions, 808 flow [2022-12-13 21:54:52,515 INFO L130 PetriNetUnfolder]: 2/401 cut-off events. [2022-12-13 21:54:52,515 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:54:52,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 401 events. 2/401 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2691 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 363. Up to 2 conditions per place. [2022-12-13 21:54:52,531 INFO L119 LiptonReduction]: Number of co-enabled transitions 74644