./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:24:06,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:24:06,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:24:06,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:24:06,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:24:06,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:24:06,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:24:06,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:24:06,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:24:06,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:24:06,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:24:06,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:24:06,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:24:06,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:24:06,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:24:06,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:24:06,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:24:06,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:24:06,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:24:06,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:24:06,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:24:06,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:24:06,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:24:06,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:24:06,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:24:06,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:24:06,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:24:06,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:24:06,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:24:06,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:24:06,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:24:06,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:24:06,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:24:06,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:24:06,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:24:06,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:24:06,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:24:06,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:24:06,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:24:06,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:24:06,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:24:06,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:24:06,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:24:06,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:24:06,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:24:06,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:24:06,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:24:06,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:24:06,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:24:06,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:24:06,460 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:24:06,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:24:06,462 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:24:06,462 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:24:06,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:24:06,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:24:06,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:24:06,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:24:06,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:24:06,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:24:06,464 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:24:06,464 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:24:06,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:24:06,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:24:06,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:24:06,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:24:06,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:24:06,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:24:06,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:24:06,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:24:06,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:24:06,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:24:06,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:24:06,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:24:06,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:24:06,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:24:06,470 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:24:06,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:24:06,470 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_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-25 17:24:06,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:24:06,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:24:06,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:24:06,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:24:06,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:24:06,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 17:24:10,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:24:10,721 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:24:10,722 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 17:24:10,752 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/data/2ee4ef302/bd9bd06c962b4e799135da05490df915/FLAGc4b94685f [2022-11-25 17:24:10,778 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/data/2ee4ef302/bd9bd06c962b4e799135da05490df915 [2022-11-25 17:24:10,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:24:10,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:24:10,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:24:10,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:24:10,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:24:10,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:24:10" (1/1) ... [2022-11-25 17:24:10,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303aa56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:10, skipping insertion in model container [2022-11-25 17:24:10,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:24:10" (1/1) ... [2022-11-25 17:24:10,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:24:10,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:24:11,684 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:24:11,690 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:24:11,691 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:24:11,693 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:24:11,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:24:11,773 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:24:11,845 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:24:11,846 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:24:11,847 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:24:11,848 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:24:11,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:24:11,978 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:24:11,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11 WrapperNode [2022-11-25 17:24:11,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:24:11,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:24:11,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:24:11,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:24:11,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,103 INFO L138 Inliner]: procedures = 271, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 207 [2022-11-25 17:24:12,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:24:12,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:24:12,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:24:12,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:24:12,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,202 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:24:12,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:24:12,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:24:12,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:24:12,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (1/1) ... [2022-11-25 17:24:12,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:24:12,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:24:12,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:24:12,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f481fabb-762a-4c98-8923-dbb6d3b834fb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:24:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-25 17:24:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-25 17:24:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:24:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:24:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:24:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:24:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:24:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 17:24:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:24:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:24:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:24:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:24:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:24:12,353 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:24:12,592 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:24:12,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:24:13,215 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:24:13,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:24:13,227 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 17:24:13,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:13 BoogieIcfgContainer [2022-11-25 17:24:13,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:24:13,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:24:13,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:24:13,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:24:13,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:24:10" (1/3) ... [2022-11-25 17:24:13,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620761f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:24:13, skipping insertion in model container [2022-11-25 17:24:13,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:11" (2/3) ... [2022-11-25 17:24:13,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620761f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:24:13, skipping insertion in model container [2022-11-25 17:24:13,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:13" (3/3) ... [2022-11-25 17:24:13,253 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2022-11-25 17:24:13,264 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:24:13,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:24:13,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-25 17:24:13,310 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:24:13,511 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:24:13,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 620 flow [2022-11-25 17:24:13,717 INFO L130 PetriNetUnfolder]: 14/303 cut-off events. [2022-11-25 17:24:13,717 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:24:13,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 303 events. 14/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 587 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2022-11-25 17:24:13,727 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 305 transitions, 620 flow [2022-11-25 17:24:13,736 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 303 transitions, 612 flow [2022-11-25 17:24:13,747 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:24:13,796 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 303 transitions, 612 flow [2022-11-25 17:24:13,799 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 303 transitions, 612 flow [2022-11-25 17:24:13,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 296 places, 303 transitions, 612 flow [2022-11-25 17:24:13,883 INFO L130 PetriNetUnfolder]: 14/303 cut-off events. [2022-11-25 17:24:13,884 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:24:13,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 303 events. 14/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 587 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2022-11-25 17:24:13,896 INFO L119 LiptonReduction]: Number of co-enabled transitions 12784 [2022-11-25 17:25:24,355 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 105 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:25:34,599 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 105 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:27:56,926 WARN L233 SmtUtils]: Spent 2.29m on a formula simplification. DAG size of input: 180 DAG size of output: 178 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:28:50,411 WARN L233 SmtUtils]: Spent 53.48s on a formula simplification that was a NOOP. DAG size: 166 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:31:07,838 WARN L233 SmtUtils]: Spent 2.29m on a formula simplification. DAG size of input: 180 DAG size of output: 178 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:31:55,819 WARN L233 SmtUtils]: Spent 47.98s on a formula simplification that was a NOOP. DAG size: 166 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:34:26,078 WARN L233 SmtUtils]: Spent 2.50m on a formula simplification that was a NOOP. DAG size: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:36:48,821 WARN L233 SmtUtils]: Spent 2.38m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:39:10,449 WARN L233 SmtUtils]: Spent 2.36m on a formula simplification that was a NOOP. DAG size: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)