./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9 --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 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a --- 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-6b4ec56 [2022-11-20 19:45:42,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:45:42,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:45:42,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:45:42,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:45:42,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:45:42,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:45:42,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:45:42,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:45:42,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:45:42,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:45:42,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:45:42,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:45:42,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:45:42,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:45:42,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:45:42,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:45:42,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:45:42,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:45:42,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:45:42,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:45:42,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:45:42,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:45:42,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:45:42,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:45:42,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:45:42,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:45:42,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:45:42,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:45:42,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:45:42,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:45:42,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:45:42,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:45:42,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:45:42,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:45:42,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:45:42,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:45:42,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:45:42,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:45:42,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:45:42,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:45:42,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 19:45:42,505 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:45:42,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:45:42,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:45:42,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:45:42,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:45:42,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:45:42,507 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:45:42,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:45:42,507 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:45:42,508 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:45:42,509 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:45:42,509 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:45:42,509 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:45:42,509 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:45:42,510 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:45:42,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:45:42,510 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:45:42,510 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:45:42,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:45:42,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:45:42,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:45:42,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:45:42,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:45:42,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:45:42,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:45:42,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:45:42,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:45:42,513 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 19:45:42,513 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:45:42,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:45:42,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:45:42,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:45:42,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:45:42,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:45:42,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:42,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:45:42,515 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:45:42,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:45:42,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:45:42,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:45:42,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:45:42,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:45:42,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:45:42,517 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_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a [2022-11-20 19:45:42,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:45:42,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:45:42,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:45:42,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:45:42,812 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:45:42,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-wmm/mix038.opt.i [2022-11-20 19:45:45,875 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:45:46,262 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:45:46,262 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/sv-benchmarks/c/pthread-wmm/mix038.opt.i [2022-11-20 19:45:46,283 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/data/c6e29ebab/004b445b01f443bda9ae9b188ffaaec2/FLAG2052b6570 [2022-11-20 19:45:46,301 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/data/c6e29ebab/004b445b01f443bda9ae9b188ffaaec2 [2022-11-20 19:45:46,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:45:46,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:45:46,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:46,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:45:46,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:45:46,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:46,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d71f54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46, skipping insertion in model container [2022-11-20 19:45:46,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:46,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:45:46,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:45:46,524 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_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957] [2022-11-20 19:45:46,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:45:46,853 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:45:46,869 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_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957] [2022-11-20 19:45:46,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:45:46,992 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:45:46,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46 WrapperNode [2022-11-20 19:45:46,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:46,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:45:46,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:45:46,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:45:47,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,094 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 508 [2022-11-20 19:45:47,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:45:47,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:45:47,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:45:47,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:45:47,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:45:47,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:45:47,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:45:47,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:45:47,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:47,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:45:47,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:45:47,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7a8349-a0fb-4aaf-b7fc-e10b8ca8e2fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 19:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 19:45:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 19:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 19:45:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 19:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-20 19:45:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-20 19:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 19:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:45:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:45:47,292 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 19:45:47,494 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:45:47,496 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:45:48,853 INFO L276 CfgBuilder]: Performing block encoding