./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI --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 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 --- 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-5e519f3 [2022-11-03 03:57:43,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:57:43,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:57:43,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:57:43,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:57:43,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:57:43,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:57:43,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:57:43,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:57:43,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:57:43,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:57:43,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:57:43,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:57:43,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:57:43,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:57:43,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:57:43,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:57:43,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:57:43,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:57:43,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:57:43,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:57:43,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:57:43,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:57:43,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:57:43,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:57:43,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:57:43,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:57:43,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:57:43,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:57:43,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:57:43,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:57:43,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:57:43,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:57:43,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:57:43,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:57:43,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:57:43,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:57:43,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:57:43,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:57:43,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:57:43,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:57:43,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:57:43,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:57:43,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:57:43,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:57:43,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:57:43,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:57:43,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:57:43,328 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:57:43,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:57:43,329 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:57:43,329 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:57:43,330 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:57:43,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:57:43,330 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:57:43,330 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:57:43,331 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:57:43,331 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:57:43,331 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:57:43,331 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:57:43,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:57:43,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:57:43,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:57:43,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:57:43,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:57:43,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:57:43,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:57:43,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:57:43,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:57:43,335 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:57:43,335 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:57:43,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:57:43,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:57:43,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:57:43,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:57:43,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:57:43,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:57:43,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:57:43,337 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:57:43,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:57:43,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:57:43,337 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:57:43,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:57:43,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:57:43,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:57:43,338 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_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 [2022-11-03 03:57:43,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:57:43,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:57:43,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:57:43,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:57:43,672 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:57:43,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-11-03 03:57:43,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/data/1353931f7/a5181c3e397740e883318be45323df16/FLAGddd549944 [2022-11-03 03:57:44,297 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:57:44,301 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-11-03 03:57:44,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/data/1353931f7/a5181c3e397740e883318be45323df16/FLAGddd549944 [2022-11-03 03:57:44,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/data/1353931f7/a5181c3e397740e883318be45323df16 [2022-11-03 03:57:44,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:57:44,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:57:44,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:57:44,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:57:44,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:57:44,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:57:44" (1/1) ... [2022-11-03 03:57:44,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34619ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:44, skipping insertion in model container [2022-11-03 03:57:44,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:57:44" (1/1) ... [2022-11-03 03:57:44,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:57:44,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:57:45,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:57:45,380 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:57:45,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:57:45,507 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:57:45,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45 WrapperNode [2022-11-03 03:57:45,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:57:45,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:57:45,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:57:45,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:57:45,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,631 INFO L138 Inliner]: procedures = 371, calls = 46, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 423 [2022-11-03 03:57:45,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:57:45,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:57:45,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:57:45,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:57:45,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,692 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:57:45,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:57:45,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:57:45,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:57:45,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (1/1) ... [2022-11-03 03:57:45,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:57:45,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:57:45,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:57:45,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaf566-180f-40ec-870c-6ff67e6261f8/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:57:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:57:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:57:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:57:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:57:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:57:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 03:57:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:57:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:57:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:57:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 03:57:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 03:57:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:57:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:57:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:57:45,801 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:57:46,017 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:57:46,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:57:46,972 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:57:46,984 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:57:46,990 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:57:46,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:57:46 BoogieIcfgContainer [2022-11-03 03:57:46,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:57:46,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:57:46,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:57:47,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:57:47,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:57:44" (1/3) ... [2022-11-03 03:57:47,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455a7551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:57:47, skipping insertion in model container [2022-11-03 03:57:47,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:57:45" (2/3) ... [2022-11-03 03:57:47,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455a7551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:57:47, skipping insertion in model container [2022-11-03 03:57:47,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:57:46" (3/3) ... [2022-11-03 03:57:47,008 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2022-11-03 03:57:47,018 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:57:47,028 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:57:47,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-03 03:57:47,029 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 03:57:47,181 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 03:57:47,247 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:57:47,265 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 514 transitions, 1033 flow [2022-11-03 03:57:47,267 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 514 transitions, 1033 flow [2022-11-03 03:57:47,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 513 places, 514 transitions, 1033 flow [2022-11-03 03:57:47,518 INFO L130 PetriNetUnfolder]: 5/513 cut-off events. [2022-11-03 03:57:47,518 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 03:57:47,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 513 events. 5/513 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 130 event pairs, 0 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 387. Up to 2 conditions per place. [2022-11-03 03:57:47,531 INFO L118 LiptonReduction]: Number of co-enabled transitions 6512 [2022-11-03 03:58:32,045 WARN L234 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:58:38,587 WARN L234 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:58:44,425 WARN L234 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:59:19,606 WARN L234 SmtUtils]: Spent 19.97s on a formula simplification. DAG size of input: 146 DAG size of output: 138 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:59:26,049 WARN L234 SmtUtils]: Spent 6.44s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:59:45,213 WARN L234 SmtUtils]: Spent 19.16s on a formula simplification. DAG size of input: 146 DAG size of output: 138 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:59:51,502 WARN L234 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:00:17,371 WARN L234 SmtUtils]: Spent 18.70s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:00:34,354 WARN L234 SmtUtils]: Spent 16.98s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:00:54,405 WARN L234 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:01:09,688 WARN L234 SmtUtils]: Spent 15.28s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:01:29,402 WARN L234 SmtUtils]: Spent 19.71s on a formula simplification. DAG size of input: 174 DAG size of output: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:01:37,090 WARN L234 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:02:07,640 WARN L234 SmtUtils]: Spent 30.55s on a formula simplification. DAG size of input: 174 DAG size of output: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:02:17,849 WARN L234 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:02:32,632 WARN L234 SmtUtils]: Spent 11.25s on a formula simplification. DAG size of input: 140 DAG size of output: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:02:48,014 WARN L234 SmtUtils]: Spent 11.55s on a formula simplification. DAG size of input: 140 DAG size of output: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:03:16,225 WARN L234 SmtUtils]: Spent 24.30s on a formula simplification. DAG size of input: 174 DAG size of output: 172 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:03:32,022 WARN L234 SmtUtils]: Spent 13.09s on a formula simplification. DAG size of input: 174 DAG size of output: 172 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:03:45,349 WARN L234 SmtUtils]: Spent 10.22s 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) [2022-11-03 04:03:58,224 WARN L234 SmtUtils]: Spent 9.56s 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) [2022-11-03 04:06:52,773 WARN L234 SmtUtils]: Spent 2.61m on a formula simplification that was a NOOP. DAG size: 255 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:08:30,444 WARN L234 SmtUtils]: Spent 1.63m on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:11:10,686 WARN L234 SmtUtils]: Spent 2.67m on a formula simplification that was a NOOP. DAG size: 255 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:12:50,988 WARN L234 SmtUtils]: Spent 1.67m on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)