./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU --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 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:29,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:29,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:09:29,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:29,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:29,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:29,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:29,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:29,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:29,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:29,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:29,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:29,415 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:29,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:29,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:29,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:09:29,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:29,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:09:29,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:29,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:29,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:29,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:29,423 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:09:29,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:29,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:09:29,427 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:09:29,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:29,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:29,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:29,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:29,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:29,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:29,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:29,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:29,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:29,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:29,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:29,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:29,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:29,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:29,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:29,433 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_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 [2024-10-31 22:09:29,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:29,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:29,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:29,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:29,811 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:29,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i Unable to find full path for "g++" [2024-10-31 22:09:31,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:32,260 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:32,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i [2024-10-31 22:09:32,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/data/5165a4227/e942beaef2fe47bd807551285fbf9758/FLAG99a679dbc [2024-10-31 22:09:32,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/data/5165a4227/e942beaef2fe47bd807551285fbf9758 [2024-10-31 22:09:32,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:32,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:32,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:32,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:32,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:32,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:32" (1/1) ... [2024-10-31 22:09:32,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c23c3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:32, skipping insertion in model container [2024-10-31 22:09:32,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:32" (1/1) ... [2024-10-31 22:09:32,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:32,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:32,932 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:33,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:33,078 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:33,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33 WrapperNode [2024-10-31 22:09:33,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:33,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:33,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:33,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:33,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,153 INFO L138 Inliner]: procedures = 171, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2024-10-31 22:09:33,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:33,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:33,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:33,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:33,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:33,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:33,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:33,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:33,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (1/1) ... [2024-10-31 22:09:33,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:33,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:33,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:33,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:09:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:09:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:09:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:09:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 22:09:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 22:09:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:09:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:09:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:09:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:33,312 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:09:33,528 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:33,531 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:33,941 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:09:33,942 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:09:34,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:09:34,041 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-31 22:09:34,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:34 BoogieIcfgContainer [2024-10-31 22:09:34,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:09:34,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:09:34,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:09:34,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:09:34,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:32" (1/3) ... [2024-10-31 22:09:34,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700f96ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:34, skipping insertion in model container [2024-10-31 22:09:34,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:33" (2/3) ... [2024-10-31 22:09:34,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700f96ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:34, skipping insertion in model container [2024-10-31 22:09:34,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:34" (3/3) ... [2024-10-31 22:09:34,055 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2024-10-31 22:09:34,072 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:09:34,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-31 22:09:34,073 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:09:34,168 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 22:09:34,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 192 transitions, 391 flow [2024-10-31 22:09:34,314 INFO L124 PetriNetUnfolderBase]: 10/191 cut-off events. [2024-10-31 22:09:34,315 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:09:34,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 191 events. 10/191 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 306 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. [2024-10-31 22:09:34,322 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 192 transitions, 391 flow [2024-10-31 22:09:34,330 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 178 places, 184 transitions, 371 flow [2024-10-31 22:09:34,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:09:34,354 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c2cedac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:09:34,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-31 22:09:34,383 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:09:34,384 INFO L124 PetriNetUnfolderBase]: 2/127 cut-off events. [2024-10-31 22:09:34,384 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:09:34,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:34,387 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:34,388 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-31 22:09:34,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:34,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1176603403, now seen corresponding path program 1 times [2024-10-31 22:09:34,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:34,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005248253] [2024-10-31 22:09:34,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:34,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:35,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:35,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005248253] [2024-10-31 22:09:35,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005248253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:35,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:35,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:09:35,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914450423] [2024-10-31 22:09:35,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:35,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:09:35,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:35,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:09:35,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:09:36,130 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 192 [2024-10-31 22:09:36,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 184 transitions, 371 flow. Second operand has 6 states, 6 states have (on average 152.66666666666666) internal successors, (916), 6 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:36,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:36,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 192 [2024-10-31 22:09:36,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:36,722 INFO L124 PetriNetUnfolderBase]: 202/1047 cut-off events. [2024-10-31 22:09:36,722 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:09:36,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1502 conditions, 1047 events. 202/1047 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5985 event pairs, 32 based on Foata normal form. 143/1121 useless extension candidates. Maximal degree in co-relation 1408. Up to 292 conditions per place. [2024-10-31 22:09:36,736 INFO L140 encePairwiseOnDemand]: 168/192 looper letters, 44 selfloop transitions, 37 changer transitions 8/234 dead transitions. [2024-10-31 22:09:36,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 234 transitions, 649 flow [2024-10-31 22:09:36,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:09:36,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:09:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions. [2024-10-31 22:09:36,762 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8967013888888888 [2024-10-31 22:09:36,767 INFO L175 Difference]: Start difference. First operand has 178 places, 184 transitions, 371 flow. Second operand 6 states and 1033 transitions. [2024-10-31 22:09:36,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 234 transitions, 649 flow [2024-10-31 22:09:36,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 234 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:09:36,782 INFO L231 Difference]: Finished difference. Result has 185 places, 208 transitions, 592 flow [2024-10-31 22:09:36,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=592, PETRI_PLACES=185, PETRI_TRANSITIONS=208} [2024-10-31 22:09:36,791 INFO L277 CegarLoopForPetriNet]: 178 programPoint places, 7 predicate places. [2024-10-31 22:09:36,791 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 208 transitions, 592 flow [2024-10-31 22:09:36,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.66666666666666) internal successors, (916), 6 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:36,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:36,793 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:36,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:09:36,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-31 22:09:36,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:36,796 INFO L85 PathProgramCache]: Analyzing trace with hash -158713032, now seen corresponding path program 1 times [2024-10-31 22:09:36,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:36,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243898198] [2024-10-31 22:09:36,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:36,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:37,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:37,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243898198] [2024-10-31 22:09:37,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243898198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:37,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:37,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:09:37,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988910857] [2024-10-31 22:09:37,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:37,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:09:37,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:37,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:09:37,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:09:37,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 192 [2024-10-31 22:09:37,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 208 transitions, 592 flow. Second operand has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:37,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:37,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 192 [2024-10-31 22:09:37,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:38,080 INFO L124 PetriNetUnfolderBase]: 211/1039 cut-off events. [2024-10-31 22:09:38,081 INFO L125 PetriNetUnfolderBase]: For 184/190 co-relation queries the response was YES. [2024-10-31 22:09:38,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 1039 events. 211/1039 cut-off events. For 184/190 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6075 event pairs, 76 based on Foata normal form. 0/997 useless extension candidates. Maximal degree in co-relation 1718. Up to 318 conditions per place. [2024-10-31 22:09:38,091 INFO L140 encePairwiseOnDemand]: 180/192 looper letters, 62 selfloop transitions, 18 changer transitions 0/222 dead transitions. [2024-10-31 22:09:38,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 222 transitions, 780 flow [2024-10-31 22:09:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:09:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:09:38,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 926 transitions. [2024-10-31 22:09:38,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8038194444444444 [2024-10-31 22:09:38,096 INFO L175 Difference]: Start difference. First operand has 185 places, 208 transitions, 592 flow. Second operand 6 states and 926 transitions. [2024-10-31 22:09:38,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 222 transitions, 780 flow [2024-10-31 22:09:38,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 222 transitions, 780 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:09:38,108 INFO L231 Difference]: Finished difference. Result has 188 places, 206 transitions, 624 flow [2024-10-31 22:09:38,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=624, PETRI_PLACES=188, PETRI_TRANSITIONS=206} [2024-10-31 22:09:38,109 INFO L277 CegarLoopForPetriNet]: 178 programPoint places, 10 predicate places. [2024-10-31 22:09:38,109 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 206 transitions, 624 flow [2024-10-31 22:09:38,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:38,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:38,112 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:38,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:09:38,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-31 22:09:38,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:38,114 INFO L85 PathProgramCache]: Analyzing trace with hash -164464319, now seen corresponding path program 1 times [2024-10-31 22:09:38,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:38,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500913711] [2024-10-31 22:09:38,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:38,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:38,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:38,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500913711] [2024-10-31 22:09:38,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500913711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:38,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:38,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:09:38,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237670087] [2024-10-31 22:09:38,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:38,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:09:38,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:38,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:09:38,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:09:38,978 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 192 [2024-10-31 22:09:38,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 206 transitions, 624 flow. Second operand has 6 states, 6 states have (on average 143.5) internal successors, (861), 6 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:38,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:38,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 192 [2024-10-31 22:09:38,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:39,429 INFO L124 PetriNetUnfolderBase]: 396/1587 cut-off events. [2024-10-31 22:09:39,429 INFO L125 PetriNetUnfolderBase]: For 526/528 co-relation queries the response was YES. [2024-10-31 22:09:39,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3179 conditions, 1587 events. 396/1587 cut-off events. For 526/528 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10083 event pairs, 207 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 3082. Up to 748 conditions per place. [2024-10-31 22:09:39,442 INFO L140 encePairwiseOnDemand]: 181/192 looper letters, 85 selfloop transitions, 32 changer transitions 0/249 dead transitions. [2024-10-31 22:09:39,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 249 transitions, 1014 flow [2024-10-31 22:09:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:09:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:09:39,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 923 transitions. [2024-10-31 22:09:39,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8012152777777778 [2024-10-31 22:09:39,447 INFO L175 Difference]: Start difference. First operand has 188 places, 206 transitions, 624 flow. Second operand 6 states and 923 transitions. [2024-10-31 22:09:39,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 249 transitions, 1014 flow [2024-10-31 22:09:39,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 249 transitions, 978 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:09:39,459 INFO L231 Difference]: Finished difference. Result has 193 places, 233 transitions, 872 flow [2024-10-31 22:09:39,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=872, PETRI_PLACES=193, PETRI_TRANSITIONS=233} [2024-10-31 22:09:39,460 INFO L277 CegarLoopForPetriNet]: 178 programPoint places, 15 predicate places. [2024-10-31 22:09:39,461 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 233 transitions, 872 flow [2024-10-31 22:09:39,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 143.5) internal successors, (861), 6 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:39,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:39,462 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:39,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:09:39,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-31 22:09:39,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash -771847930, now seen corresponding path program 1 times [2024-10-31 22:09:39,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:39,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333999113] [2024-10-31 22:09:39,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:39,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:39,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:39,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333999113] [2024-10-31 22:09:39,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333999113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:39,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:39,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:09:39,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881975986] [2024-10-31 22:09:39,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:39,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:09:39,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:39,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:09:39,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:09:39,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 192 [2024-10-31 22:09:39,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 233 transitions, 872 flow. Second operand has 6 states, 6 states have (on average 168.16666666666666) internal successors, (1009), 6 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:39,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:39,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 192 [2024-10-31 22:09:39,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:39,924 INFO L124 PetriNetUnfolderBase]: 0/246 cut-off events. [2024-10-31 22:09:39,924 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-10-31 22:09:39,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 246 events. 0/246 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 185 event pairs, 0 based on Foata normal form. 8/250 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2024-10-31 22:09:39,925 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 6 selfloop transitions, 5 changer transitions 15/169 dead transitions. [2024-10-31 22:09:39,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 169 transitions, 438 flow [2024-10-31 22:09:39,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:09:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 22:09:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 850 transitions. [2024-10-31 22:09:39,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8854166666666666 [2024-10-31 22:09:39,928 INFO L175 Difference]: Start difference. First operand has 193 places, 233 transitions, 872 flow. Second operand 5 states and 850 transitions. [2024-10-31 22:09:39,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 169 transitions, 438 flow [2024-10-31 22:09:39,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 169 transitions, 374 flow, removed 13 selfloop flow, removed 17 redundant places. [2024-10-31 22:09:39,933 INFO L231 Difference]: Finished difference. Result has 178 places, 154 transitions, 328 flow [2024-10-31 22:09:39,934 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=328, PETRI_PLACES=178, PETRI_TRANSITIONS=154} [2024-10-31 22:09:39,934 INFO L277 CegarLoopForPetriNet]: 178 programPoint places, 0 predicate places. [2024-10-31 22:09:39,935 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 154 transitions, 328 flow [2024-10-31 22:09:39,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.16666666666666) internal successors, (1009), 6 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:39,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:39,936 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:39,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:09:39,937 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-31 22:09:39,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:39,938 INFO L85 PathProgramCache]: Analyzing trace with hash 72892958, now seen corresponding path program 1 times [2024-10-31 22:09:39,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:39,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353400607] [2024-10-31 22:09:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:39,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:40,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:40,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353400607] [2024-10-31 22:09:40,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353400607] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:40,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:40,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:09:40,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579436019] [2024-10-31 22:09:40,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:40,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:09:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:40,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:09:40,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:09:40,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 192 [2024-10-31 22:09:40,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 154 transitions, 328 flow. Second operand has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:40,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:40,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 192 [2024-10-31 22:09:40,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:40,917 INFO L124 PetriNetUnfolderBase]: 8/219 cut-off events. [2024-10-31 22:09:40,917 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-31 22:09:40,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 219 events. 8/219 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 192 event pairs, 8 based on Foata normal form. 2/219 useless extension candidates. Maximal degree in co-relation 218. Up to 67 conditions per place. [2024-10-31 22:09:40,918 INFO L140 encePairwiseOnDemand]: 187/192 looper letters, 0 selfloop transitions, 0 changer transitions 153/153 dead transitions. [2024-10-31 22:09:40,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 153 transitions, 396 flow [2024-10-31 22:09:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:09:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:09:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 881 transitions. [2024-10-31 22:09:40,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7647569444444444 [2024-10-31 22:09:40,922 INFO L175 Difference]: Start difference. First operand has 178 places, 154 transitions, 328 flow. Second operand 6 states and 881 transitions. [2024-10-31 22:09:40,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 153 transitions, 396 flow [2024-10-31 22:09:40,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 153 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:09:40,926 INFO L231 Difference]: Finished difference. Result has 163 places, 0 transitions, 0 flow [2024-10-31 22:09:40,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=163, PETRI_TRANSITIONS=0} [2024-10-31 22:09:40,927 INFO L277 CegarLoopForPetriNet]: 178 programPoint places, -15 predicate places. [2024-10-31 22:09:40,927 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 0 transitions, 0 flow [2024-10-31 22:09:40,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:40,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-10-31 22:09:40,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2024-10-31 22:09:40,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-10-31 22:09:40,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-10-31 22:09:40,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-10-31 22:09:40,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-10-31 22:09:40,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-10-31 22:09:40,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-10-31 22:09:40,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-10-31 22:09:40,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-10-31 22:09:40,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:09:40,938 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-31 22:09:40,946 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:09:40,946 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:09:40,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:09:40 BasicIcfg [2024-10-31 22:09:40,958 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:09:40,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:09:40,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:09:40,961 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:09:40,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:34" (3/4) ... [2024-10-31 22:09:40,965 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:09:40,969 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-31 22:09:40,976 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-31 22:09:40,976 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:09:40,977 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-31 22:09:40,977 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:09:41,086 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:09:41,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:09:41,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:09:41,087 INFO L158 Benchmark]: Toolchain (without parser) took 8787.52ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 111.3MB in the beginning and 166.8MB in the end (delta: -55.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-10-31 22:09:41,088 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:09:41,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.57ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 87.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:41,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.14ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 85.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:41,089 INFO L158 Benchmark]: Boogie Preprocessor took 60.31ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 82.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:41,089 INFO L158 Benchmark]: RCFGBuilder took 826.25ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 110.7MB in the end (delta: -27.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-10-31 22:09:41,090 INFO L158 Benchmark]: TraceAbstraction took 6914.38ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 109.4MB in the beginning and 172.0MB in the end (delta: -62.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:41,090 INFO L158 Benchmark]: Witness Printer took 128.37ms. Allocated memory is still 249.6MB. Free memory was 172.0MB in the beginning and 166.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:09:41,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.57ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 87.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.14ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 85.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.31ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 82.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.25ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 110.7MB in the end (delta: -27.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6914.38ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 109.4MB in the beginning and 172.0MB in the end (delta: -62.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Witness Printer took 128.37ms. Allocated memory is still 249.6MB. Free memory was 172.0MB in the beginning and 166.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 243 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1181 IncrementalHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 2 mSDtfsCounter, 1181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=872occurred in iteration=3, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 548 NumberOfCodeBlocks, 548 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 543 ConstructedInterpolants, 0 QuantifiedInterpolants, 1155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:09:41,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99f5b60-8580-4900-8660-8ddf68b4cbf4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE