./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:33,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:33,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:40:33,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:33,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:33,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:33,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:33,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:33,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:33,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:33,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:33,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:33,194 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:33,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:33,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:33,196 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:33,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:33,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:33,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:33,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:33,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:33,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:33,200 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:40:33,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:40:33,201 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:33,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:33,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:33,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:33,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:33,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:33,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:33,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:33,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:33,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:33,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:33,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:40:33,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:33,207 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:33,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:33,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:33,208 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:33,215 INFO L153 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_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2023-11-19 07:40:33,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:33,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:33,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:33,549 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:33,550 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:33,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2023-11-19 07:40:36,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:37,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:37,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2023-11-19 07:40:37,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/data/035aaec20/633341225a134c31bde17f3c5659a244/FLAGc374661ca [2023-11-19 07:40:37,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/data/035aaec20/633341225a134c31bde17f3c5659a244 [2023-11-19 07:40:37,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:37,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:37,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:37,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:37,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:37,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:37" (1/1) ... [2023-11-19 07:40:37,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3845d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:37, skipping insertion in model container [2023-11-19 07:40:37,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:37" (1/1) ... [2023-11-19 07:40:37,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:38,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:38,354 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:38,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:38,638 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:38,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38 WrapperNode [2023-11-19 07:40:38,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:38,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:38,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:38,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:38,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,744 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 220 [2023-11-19 07:40:38,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:38,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:38,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:38,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:38,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:38,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:38,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:38,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:38,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:38,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:38,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:38,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546e7305-a3ee-4643-ae6a-761f752e2c86/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:40:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:40:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:40:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-19 07:40:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-19 07:40:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:40:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:38,928 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:40:39,239 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:39,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:39,781 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:39,793 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:39,793 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:40:39,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:39 BoogieIcfgContainer [2023-11-19 07:40:39,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:39,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:39,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:39,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:39,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:37" (1/3) ... [2023-11-19 07:40:39,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56310afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:39, skipping insertion in model container [2023-11-19 07:40:39,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (2/3) ... [2023-11-19 07:40:39,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56310afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:39, skipping insertion in model container [2023-11-19 07:40:39,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:39" (3/3) ... [2023-11-19 07:40:39,808 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-11-19 07:40:39,815 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:40:39,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:39,824 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-11-19 07:40:39,824 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:40:39,941 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:40:40,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 345 transitions, 704 flow [2023-11-19 07:40:40,197 INFO L124 PetriNetUnfolderBase]: 18/433 cut-off events. [2023-11-19 07:40:40,199 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:40:40,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 433 events. 18/433 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 980 event pairs, 0 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 239. Up to 4 conditions per place. [2023-11-19 07:40:40,208 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 345 transitions, 704 flow [2023-11-19 07:40:40,236 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 342 transitions, 696 flow [2023-11-19 07:40:40,240 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:40:40,251 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 342 transitions, 696 flow [2023-11-19 07:40:40,254 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 342 transitions, 696 flow [2023-11-19 07:40:40,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 342 transitions, 696 flow [2023-11-19 07:40:40,365 INFO L124 PetriNetUnfolderBase]: 17/432 cut-off events. [2023-11-19 07:40:40,365 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:40:40,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 432 events. 17/432 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 988 event pairs, 0 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 238. Up to 4 conditions per place. [2023-11-19 07:40:40,384 INFO L119 LiptonReduction]: Number of co-enabled transitions 18876 [2023-11-19 07:41:14,157 WARN L293 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 179 DAG size of output: 174 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:41:30,180 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 189 DAG size of output: 182 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:41:38,759 WARN L293 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 204 DAG size of output: 195 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)