./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/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_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/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_5a919b06-f66d-455d-be49-6b9f79ba3f66/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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --- 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 21:17:47,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:17:47,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:17:47,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:17:47,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:17:47,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:17:47,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:17:47,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:17:47,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:17:47,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:17:47,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:17:47,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:17:47,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:17:47,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:17:47,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:17:47,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:17:47,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:17:47,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:17:47,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:17:47,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:17:47,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:17:47,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:17:47,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:17:47,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:17:47,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:17:47,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:17:47,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:17:47,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:17:47,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:17:47,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:17:47,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:17:47,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:17:47,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:17:47,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:17:47,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:17:47,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:17:47,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:17:47,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:17:47,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:17:47,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:17:47,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:17:47,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 21:17:47,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:17:47,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:17:47,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:17:47,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:17:47,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:17:47,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:17:47,349 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:17:47,349 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:17:47,349 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:17:47,349 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:17:47,350 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:17:47,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:17:47,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:17:47,351 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:17:47,351 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:17:47,351 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:17:47,352 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:17:47,352 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:17:47,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:17:47,353 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:17:47,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:17:47,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:17:47,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:17:47,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:17:47,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:17:47,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:17:47,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:17:47,354 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 21:17:47,354 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:17:47,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:17:47,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:17:47,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:17:47,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:17:47,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:17:47,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:17:47,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:17:47,356 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:17:47,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:17:47,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:17:47,357 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:17:47,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:17:47,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:17:47,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:17:47,359 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_5a919b06-f66d-455d-be49-6b9f79ba3f66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 [2022-11-20 21:17:47,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:17:47,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:17:47,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:17:47,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:17:47,670 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:17:47,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2022-11-20 21:17:50,713 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:17:51,081 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:17:51,087 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2022-11-20 21:17:51,109 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/data/80067c458/e72d785bd296432ea195fae079a3f443/FLAGd5b8e3c18 [2022-11-20 21:17:51,130 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/data/80067c458/e72d785bd296432ea195fae079a3f443 [2022-11-20 21:17:51,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:17:51,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:17:51,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:17:51,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:17:51,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:17:51,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:17:51" (1/1) ... [2022-11-20 21:17:51,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed086be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:51, skipping insertion in model container [2022-11-20 21:17:51,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:17:51" (1/1) ... [2022-11-20 21:17:51,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:17:51,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:17:51,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:17:51,898 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:17:51,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:17:52,038 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:17:52,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52 WrapperNode [2022-11-20 21:17:52,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:17:52,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:17:52,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:17:52,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:17:52,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,133 INFO L138 Inliner]: procedures = 368, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 196 [2022-11-20 21:17:52,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:17:52,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:17:52,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:17:52,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:17:52,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,197 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:17:52,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:17:52,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:17:52,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:17:52,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (1/1) ... [2022-11-20 21:17:52,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:17:52,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:17:52,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:17:52,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a919b06-f66d-455d-be49-6b9f79ba3f66/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:17:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:17:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:17:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:17:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:17:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:17:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 21:17:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:17:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:17:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:17:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 21:17:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 21:17:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:17:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:17:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:17:52,289 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 21:17:52,444 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:17:52,452 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:17:53,170 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:17:53,182 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:17:53,182 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:17:53,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:17:53 BoogieIcfgContainer [2022-11-20 21:17:53,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:17:53,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:17:53,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:17:53,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:17:53,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:17:51" (1/3) ... [2022-11-20 21:17:53,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c44bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:17:53, skipping insertion in model container [2022-11-20 21:17:53,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:17:52" (2/3) ... [2022-11-20 21:17:53,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c44bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:17:53, skipping insertion in model container [2022-11-20 21:17:53,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:17:53" (3/3) ... [2022-11-20 21:17:53,201 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2022-11-20 21:17:53,211 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 21:17:53,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:17:53,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-20 21:17:53,222 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 21:17:53,344 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 21:17:53,407 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:17:53,435 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 303 transitions, 611 flow [2022-11-20 21:17:53,440 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 303 transitions, 611 flow [2022-11-20 21:17:53,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 307 places, 303 transitions, 611 flow [2022-11-20 21:17:53,617 INFO L130 PetriNetUnfolder]: 0/302 cut-off events. [2022-11-20 21:17:53,618 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 21:17:53,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 302 events. 0/302 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 157 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-20 21:17:53,627 INFO L119 LiptonReduction]: Number of co-enabled transitions 7728 [2022-11-20 21:18:26,104 WARN L233 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 135 DAG size of output: 133 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:18:40,801 WARN L233 SmtUtils]: Spent 10.87s on a formula simplification. DAG size of input: 135 DAG size of output: 133 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:18:49,572 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:19:13,723 WARN L233 SmtUtils]: Spent 12.11s on a formula simplification. DAG size of input: 139 DAG size of output: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:19:32,824 WARN L233 SmtUtils]: Spent 14.53s on a formula simplification. DAG size of input: 139 DAG size of output: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:21:44,375 WARN L233 SmtUtils]: Spent 2.11m on a formula simplification. DAG size of input: 210 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:22:27,809 WARN L233 SmtUtils]: Spent 43.43s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:24:02,501 WARN L233 SmtUtils]: Spent 1.58m on a formula simplification. DAG size of input: 210 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:24:48,421 WARN L233 SmtUtils]: Spent 45.92s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:25:06,586 WARN L233 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 207 DAG size of output: 201 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:27:38,105 WARN L233 SmtUtils]: Spent 2.52m on a formula simplification that was a NOOP. DAG size: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:29:47,173 WARN L233 SmtUtils]: Spent 2.15m on a formula simplification that was a NOOP. DAG size: 273 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:32:51,386 WARN L233 SmtUtils]: Spent 3.07m on a formula simplification that was a NOOP. DAG size: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)