./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta --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 edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082 --- 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-dbf71c6-m [2022-10-17 17:37:56,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:37:56,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:37:56,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:37:56,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:37:56,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:37:56,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:37:56,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:37:56,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:37:56,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:37:56,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:37:56,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:37:56,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:37:56,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:37:56,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:37:56,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:37:56,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:37:56,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:37:56,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:37:56,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:37:56,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:37:56,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:37:56,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:37:56,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:37:56,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:37:56,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:37:56,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:37:56,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:37:56,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:37:56,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:37:56,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:37:56,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:37:56,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:37:56,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:37:56,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:37:56,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:37:56,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:37:56,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:37:56,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:37:56,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:37:56,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:37:56,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-10-17 17:37:56,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:37:56,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:37:56,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:37:56,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:37:56,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:37:56,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:37:56,391 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:37:56,392 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:37:56,392 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:37:56,392 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:37:56,393 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:37:56,394 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:37:56,394 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:37:56,394 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:37:56,395 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:37:56,395 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:37:56,395 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:37:56,396 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:37:56,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:37:56,397 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:37:56,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:37:56,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:37:56,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:37:56,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:37:56,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:37:56,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:37:56,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:37:56,400 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 17:37:56,401 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:37:56,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:37:56,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:37:56,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:37:56,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:37:56,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:37:56,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:56,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:37:56,403 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:37:56,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:37:56,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:37:56,405 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:37:56,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:37:56,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:37:56,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:37:56,406 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_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082 [2022-10-17 17:37:56,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:37:56,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:37:56,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:37:56,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:37:56,775 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:37:56,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i [2022-10-17 17:37:56,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/data/221622f45/d44e4d38990245bba584fed1f0a106d1/FLAG09abda3c1 [2022-10-17 17:37:57,497 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:37:57,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i [2022-10-17 17:37:57,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/data/221622f45/d44e4d38990245bba584fed1f0a106d1/FLAG09abda3c1 [2022-10-17 17:37:57,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/data/221622f45/d44e4d38990245bba584fed1f0a106d1 [2022-10-17 17:37:57,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:37:57,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:37:57,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:57,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:37:57,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:37:57,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:57" (1/1) ... [2022-10-17 17:37:57,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4a4666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:57, skipping insertion in model container [2022-10-17 17:37:57,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:57" (1/1) ... [2022-10-17 17:37:57,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:37:57,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:37:58,503 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 17:37:58,506 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 17:37:58,510 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 17:37:58,513 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 17:37:58,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:58,595 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:37:58,657 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 17:37:58,658 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 17:37:58,659 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 17:37:58,672 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 17:37:58,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:58,751 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:37:58,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58 WrapperNode [2022-10-17 17:37:58,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:58,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:37:58,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:37:58,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:37:58,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,851 INFO L138 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 268 [2022-10-17 17:37:58,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:37:58,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:37:58,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:37:58,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:37:58,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:37:58,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:37:58,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:37:58,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:37:58,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (1/1) ... [2022-10-17 17:37:58,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:58,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:37:58,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:37:58,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a487a32d-e201-429e-9a9d-b834e7d45c97/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:37:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-10-17 17:37:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-10-17 17:37:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:37:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:37:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:37:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:37:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:37:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 17:37:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:37:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:37:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:37:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:37:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:37:59,040 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:37:59,275 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:37:59,292 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:38:00,042 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:38:00,068 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:38:00,073 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:38:00,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:38:00 BoogieIcfgContainer [2022-10-17 17:38:00,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:38:00,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:38:00,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:38:00,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:38:00,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:37:57" (1/3) ... [2022-10-17 17:38:00,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ea2af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:38:00, skipping insertion in model container [2022-10-17 17:38:00,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:58" (2/3) ... [2022-10-17 17:38:00,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ea2af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:38:00, skipping insertion in model container [2022-10-17 17:38:00,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:38:00" (3/3) ... [2022-10-17 17:38:00,091 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_23-evilcollapse_rc.i [2022-10-17 17:38:00,100 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 17:38:00,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:38:00,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-17 17:38:00,111 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 17:38:00,271 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-17 17:38:00,330 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-10-17 17:38:00,343 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 386 transitions, 782 flow [2022-10-17 17:38:00,345 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 386 transitions, 782 flow [2022-10-17 17:38:00,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 386 transitions, 782 flow [2022-10-17 17:38:00,567 INFO L130 PetriNetUnfolder]: 16/384 cut-off events. [2022-10-17 17:38:00,567 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 17:38:00,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 384 events. 16/384 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 683 event pairs, 0 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 307. Up to 2 conditions per place. [2022-10-17 17:38:00,592 INFO L118 LiptonReduction]: Number of co-enabled transitions 12784