./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 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_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/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_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/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_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/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_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/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 edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:00:28,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:00:28,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:00:28,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:00:28,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:00:28,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:00:28,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:00:28,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:00:28,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:00:28,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:00:28,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:00:28,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:00:28,207 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:00:28,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:00:28,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:00:28,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:00:28,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:00:28,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:00:28,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:00:28,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:00:28,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:00:28,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:00:28,213 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:00:28,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:00:28,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:00:28,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:00:28,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:00:28,215 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:00:28,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:00:28,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:00:28,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:00:28,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:28,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:00:28,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:00:28,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:00:28,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:00:28,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:00:28,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:00:28,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:00:28,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:00:28,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:00:28,220 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_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e [2024-10-31 22:00:28,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:00:28,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:00:28,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:00:28,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:00:28,499 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:00:28,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i Unable to find full path for "g++" [2024-10-31 22:00:30,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:00:31,216 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:31,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-10-31 22:00:31,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/data/62a0ce4c7/c86040b3dc3a45698f4aa02dbb9922f7/FLAG62dd68e8e [2024-10-31 22:00:31,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/data/62a0ce4c7/c86040b3dc3a45698f4aa02dbb9922f7 [2024-10-31 22:00:31,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:31,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:31,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:31,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:31,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:31,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:31" (1/1) ... [2024-10-31 22:00:31,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f91d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:31, skipping insertion in model container [2024-10-31 22:00:31,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:31" (1/1) ... [2024-10-31 22:00:31,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:32,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:32,236 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:32,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:32,388 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:32,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32 WrapperNode [2024-10-31 22:00:32,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:32,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:32,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:32,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:32,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,477 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 214 [2024-10-31 22:00:32,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:32,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:00:32,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:00:32,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:00:32,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:00:32,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:00:32,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:00:32,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:00:32,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (1/1) ... [2024-10-31 22:00:32,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:32,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:32,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:32,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12116f-9cb9-47b8-bd56-0dc3a25823ca/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:00:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-31 22:00:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-31 22:00:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:00:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:00:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:00:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:00:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:00:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:00:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:00:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:00:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:00:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:00:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:00:32,661 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 22:00:32,982 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:00:32,984 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:00:33,694 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:00:33,694 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:00:33,744 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:00:33,745 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:00:33,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:33 BoogieIcfgContainer [2024-10-31 22:00:33,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:00:33,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:00:33,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:00:33,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:00:33,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:00:31" (1/3) ... [2024-10-31 22:00:33,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d75cda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:33, skipping insertion in model container [2024-10-31 22:00:33,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:32" (2/3) ... [2024-10-31 22:00:33,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d75cda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:33, skipping insertion in model container [2024-10-31 22:00:33,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:33" (3/3) ... [2024-10-31 22:00:33,761 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2024-10-31 22:00:33,781 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:00:33,782 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-31 22:00:33,782 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:00:33,976 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:00:34,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 343 transitions, 700 flow [2024-10-31 22:00:34,279 INFO L124 PetriNetUnfolderBase]: 18/427 cut-off events. [2024-10-31 22:00:34,280 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:00:34,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 427 events. 18/427 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 913 event pairs, 0 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 241. Up to 4 conditions per place. [2024-10-31 22:00:34,291 INFO L82 GeneralOperation]: Start removeDead. Operand has 335 places, 343 transitions, 700 flow [2024-10-31 22:00:34,303 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 333 places, 340 transitions, 692 flow [2024-10-31 22:00:34,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:00:34,330 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;@7f2614fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:00:34,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-10-31 22:00:34,340 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:00:34,341 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-31 22:00:34,341 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:00:34,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:34,342 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] [2024-10-31 22:00:34,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:00:34,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:34,350 INFO L85 PathProgramCache]: Analyzing trace with hash -566184835, now seen corresponding path program 1 times [2024-10-31 22:00:34,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:34,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403927877] [2024-10-31 22:00:34,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:34,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:35,594 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 22:00:35,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:35,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403927877] [2024-10-31 22:00:35,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403927877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:35,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:35,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:00:35,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921701988] [2024-10-31 22:00:35,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:35,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:00:35,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:35,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:00:35,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:00:36,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 343 [2024-10-31 22:00:36,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 340 transitions, 692 flow. Second operand has 6 states, 6 states have (on average 254.33333333333334) internal successors, (1526), 6 states have internal predecessors, (1526), 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 22:00:36,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:36,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 343 [2024-10-31 22:00:36,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:41,567 INFO L124 PetriNetUnfolderBase]: 7365/19975 cut-off events. [2024-10-31 22:00:41,568 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-10-31 22:00:41,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31511 conditions, 19975 events. 7365/19975 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 207617 event pairs, 7364 based on Foata normal form. 709/19067 useless extension candidates. Maximal degree in co-relation 31139. Up to 11480 conditions per place. [2024-10-31 22:00:41,733 INFO L140 encePairwiseOnDemand]: 325/343 looper letters, 66 selfloop transitions, 5 changer transitions 12/309 dead transitions. [2024-10-31 22:00:41,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 309 transitions, 772 flow [2024-10-31 22:00:41,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:00:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:00:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1602 transitions. [2024-10-31 22:00:41,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7784256559766763 [2024-10-31 22:00:41,760 INFO L175 Difference]: Start difference. First operand has 333 places, 340 transitions, 692 flow. Second operand 6 states and 1602 transitions. [2024-10-31 22:00:41,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 309 transitions, 772 flow [2024-10-31 22:00:41,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 309 transitions, 764 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:00:41,779 INFO L231 Difference]: Finished difference. Result has 315 places, 297 transitions, 608 flow [2024-10-31 22:00:41,781 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=608, PETRI_PLACES=315, PETRI_TRANSITIONS=297} [2024-10-31 22:00:41,785 INFO L277 CegarLoopForPetriNet]: 333 programPoint places, -18 predicate places. [2024-10-31 22:00:41,786 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 297 transitions, 608 flow [2024-10-31 22:00:41,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 254.33333333333334) internal successors, (1526), 6 states have internal predecessors, (1526), 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 22:00:41,787 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:41,788 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] [2024-10-31 22:00:41,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:00:41,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:00:41,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:41,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1434413500, now seen corresponding path program 1 times [2024-10-31 22:00:41,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:41,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549256427] [2024-10-31 22:00:41,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:41,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:42,451 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 22:00:42,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:42,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549256427] [2024-10-31 22:00:42,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549256427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:42,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:42,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:00:42,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5663380] [2024-10-31 22:00:42,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:42,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:00:42,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:42,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:00:42,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:00:43,184 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 343 [2024-10-31 22:00:43,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 297 transitions, 608 flow. Second operand has 6 states, 6 states have (on average 254.33333333333334) internal successors, (1526), 6 states have internal predecessors, (1526), 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 22:00:43,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:43,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 343 [2024-10-31 22:00:43,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:46,896 INFO L124 PetriNetUnfolderBase]: 7365/19962 cut-off events. [2024-10-31 22:00:46,897 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-31 22:00:47,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31470 conditions, 19962 events. 7365/19962 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 207445 event pairs, 7364 based on Foata normal form. 0/18350 useless extension candidates. Maximal degree in co-relation 31427. Up to 11480 conditions per place. [2024-10-31 22:00:47,120 INFO L140 encePairwiseOnDemand]: 337/343 looper letters, 66 selfloop transitions, 5 changer transitions 0/296 dead transitions. [2024-10-31 22:00:47,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 296 transitions, 748 flow [2024-10-31 22:00:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:00:47,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:00:47,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1590 transitions. [2024-10-31 22:00:47,126 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7725947521865889 [2024-10-31 22:00:47,127 INFO L175 Difference]: Start difference. First operand has 315 places, 297 transitions, 608 flow. Second operand 6 states and 1590 transitions. [2024-10-31 22:00:47,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 296 transitions, 748 flow [2024-10-31 22:00:47,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 296 transitions, 738 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:00:47,135 INFO L231 Difference]: Finished difference. Result has 302 places, 296 transitions, 606 flow [2024-10-31 22:00:47,136 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=606, PETRI_PLACES=302, PETRI_TRANSITIONS=296} [2024-10-31 22:00:47,137 INFO L277 CegarLoopForPetriNet]: 333 programPoint places, -31 predicate places. [2024-10-31 22:00:47,137 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 296 transitions, 606 flow [2024-10-31 22:00:47,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 254.33333333333334) internal successors, (1526), 6 states have internal predecessors, (1526), 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 22:00:47,139 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:47,140 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] [2024-10-31 22:00:47,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:00:47,140 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:00:47,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:47,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1172808996, now seen corresponding path program 1 times [2024-10-31 22:00:47,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:47,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302259511] [2024-10-31 22:00:47,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:47,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,795 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 22:00:47,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:47,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302259511] [2024-10-31 22:00:47,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302259511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:47,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:47,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:00:47,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010583337] [2024-10-31 22:00:47,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:47,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:00:47,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:47,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:00:47,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:00:48,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 343 [2024-10-31 22:00:48,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 296 transitions, 606 flow. Second operand has 6 states, 6 states have (on average 281.0) internal successors, (1686), 6 states have internal predecessors, (1686), 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 22:00:48,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:48,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 343 [2024-10-31 22:00:48,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:50,241 INFO L124 PetriNetUnfolderBase]: 2101/6494 cut-off events. [2024-10-31 22:00:50,242 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-31 22:00:50,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9868 conditions, 6494 events. 2101/6494 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 59848 event pairs, 1854 based on Foata normal form. 0/5955 useless extension candidates. Maximal degree in co-relation 9812. Up to 3342 conditions per place. [2024-10-31 22:00:50,297 INFO L140 encePairwiseOnDemand]: 335/343 looper letters, 44 selfloop transitions, 7 changer transitions 0/301 dead transitions. [2024-10-31 22:00:50,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 301 transitions, 719 flow [2024-10-31 22:00:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:00:50,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:00:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1726 transitions. [2024-10-31 22:00:50,304 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8386783284742468 [2024-10-31 22:00:50,304 INFO L175 Difference]: Start difference. First operand has 302 places, 296 transitions, 606 flow. Second operand 6 states and 1726 transitions. [2024-10-31 22:00:50,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 301 transitions, 719 flow [2024-10-31 22:00:50,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 301 transitions, 709 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:00:50,316 INFO L231 Difference]: Finished difference. Result has 302 places, 298 transitions, 624 flow [2024-10-31 22:00:50,317 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=624, PETRI_PLACES=302, PETRI_TRANSITIONS=298} [2024-10-31 22:00:50,318 INFO L277 CegarLoopForPetriNet]: 333 programPoint places, -31 predicate places. [2024-10-31 22:00:50,319 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 298 transitions, 624 flow [2024-10-31 22:00:50,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 281.0) internal successors, (1686), 6 states have internal predecessors, (1686), 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 22:00:50,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:50,321 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] [2024-10-31 22:00:50,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:00:50,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:00:50,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:50,324 INFO L85 PathProgramCache]: Analyzing trace with hash 272122075, now seen corresponding path program 1 times [2024-10-31 22:00:50,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:50,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811256379] [2024-10-31 22:00:50,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:50,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:51,224 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 22:00:51,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:51,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811256379] [2024-10-31 22:00:51,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811256379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:51,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:51,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:00:51,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764224849] [2024-10-31 22:00:51,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:51,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:00:51,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:51,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:00:51,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:00:52,150 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 343 [2024-10-31 22:00:52,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 298 transitions, 624 flow. Second operand has 6 states, 6 states have (on average 281.0) internal successors, (1686), 6 states have internal predecessors, (1686), 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 22:00:52,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:52,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 343 [2024-10-31 22:00:52,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:53,169 INFO L124 PetriNetUnfolderBase]: 2101/6232 cut-off events. [2024-10-31 22:00:53,169 INFO L125 PetriNetUnfolderBase]: For 323/323 co-relation queries the response was YES. [2024-10-31 22:00:53,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9960 conditions, 6232 events. 2101/6232 cut-off events. For 323/323 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 55996 event pairs, 1748 based on Foata normal form. 0/5696 useless extension candidates. Maximal degree in co-relation 6968. Up to 3342 conditions per place. [2024-10-31 22:00:53,208 INFO L140 encePairwiseOnDemand]: 335/343 looper letters, 44 selfloop transitions, 7 changer transitions 0/300 dead transitions. [2024-10-31 22:00:53,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 300 transitions, 731 flow [2024-10-31 22:00:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:00:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:00:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1726 transitions. [2024-10-31 22:00:53,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8386783284742468 [2024-10-31 22:00:53,213 INFO L175 Difference]: Start difference. First operand has 302 places, 298 transitions, 624 flow. Second operand 6 states and 1726 transitions. [2024-10-31 22:00:53,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 300 transitions, 731 flow [2024-10-31 22:00:53,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 300 transitions, 721 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:00:53,219 INFO L231 Difference]: Finished difference. Result has 302 places, 297 transitions, 626 flow [2024-10-31 22:00:53,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=626, PETRI_PLACES=302, PETRI_TRANSITIONS=297} [2024-10-31 22:00:53,221 INFO L277 CegarLoopForPetriNet]: 333 programPoint places, -31 predicate places. [2024-10-31 22:00:53,221 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 297 transitions, 626 flow [2024-10-31 22:00:53,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 281.0) internal successors, (1686), 6 states have internal predecessors, (1686), 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 22:00:53,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:53,222 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] [2024-10-31 22:00:53,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:00:53,223 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:00:53,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:53,224 INFO L85 PathProgramCache]: Analyzing trace with hash 632779931, now seen corresponding path program 1 times [2024-10-31 22:00:53,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:53,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646268445] [2024-10-31 22:00:53,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:53,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:53,317 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 22:00:53,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:53,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646268445] [2024-10-31 22:00:53,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646268445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:53,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:53,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:53,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133429649] [2024-10-31 22:00:53,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:53,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:53,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:53,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:53,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:53,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 343 [2024-10-31 22:00:53,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 297 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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 22:00:53,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:53,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 343 [2024-10-31 22:00:53,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:53,514 INFO L124 PetriNetUnfolderBase]: 46/1031 cut-off events. [2024-10-31 22:00:53,514 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-10-31 22:00:53,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1173 conditions, 1031 events. 46/1031 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5749 event pairs, 17 based on Foata normal form. 0/929 useless extension candidates. Maximal degree in co-relation 267. Up to 88 conditions per place. [2024-10-31 22:00:53,524 INFO L140 encePairwiseOnDemand]: 340/343 looper letters, 16 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-10-31 22:00:53,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 298 transitions, 664 flow [2024-10-31 22:00:53,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 945 transitions. [2024-10-31 22:00:53,527 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9183673469387755 [2024-10-31 22:00:53,527 INFO L175 Difference]: Start difference. First operand has 302 places, 297 transitions, 626 flow. Second operand 3 states and 945 transitions. [2024-10-31 22:00:53,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 298 transitions, 664 flow [2024-10-31 22:00:53,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 298 transitions, 650 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:00:53,534 INFO L231 Difference]: Finished difference. Result has 298 places, 296 transitions, 614 flow [2024-10-31 22:00:53,534 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=298, PETRI_TRANSITIONS=296} [2024-10-31 22:00:53,537 INFO L277 CegarLoopForPetriNet]: 333 programPoint places, -35 predicate places. [2024-10-31 22:00:53,538 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 296 transitions, 614 flow [2024-10-31 22:00:53,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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 22:00:53,539 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:53,539 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] [2024-10-31 22:00:53,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:00:53,540 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:00:53,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:53,541 INFO L85 PathProgramCache]: Analyzing trace with hash 922456486, now seen corresponding path program 1 times [2024-10-31 22:00:53,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:53,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57339180] [2024-10-31 22:00:53,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:53,747 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 22:00:53,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:53,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57339180] [2024-10-31 22:00:53,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57339180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:53,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:53,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:53,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427787944] [2024-10-31 22:00:53,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:53,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:53,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:53,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:53,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 343 [2024-10-31 22:00:53,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 296 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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 22:00:53,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:53,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 343 [2024-10-31 22:00:53,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:53,903 INFO L124 PetriNetUnfolderBase]: 46/747 cut-off events. [2024-10-31 22:00:53,904 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:00:53,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 861 conditions, 747 events. 46/747 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3243 event pairs, 12 based on Foata normal form. 0/674 useless extension candidates. Maximal degree in co-relation 690. Up to 55 conditions per place. [2024-10-31 22:00:53,911 INFO L140 encePairwiseOnDemand]: 341/343 looper letters, 14 selfloop transitions, 1 changer transitions 0/299 dead transitions. [2024-10-31 22:00:53,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 299 transitions, 650 flow [2024-10-31 22:00:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-10-31 22:00:53,914 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9280855199222546 [2024-10-31 22:00:53,914 INFO L175 Difference]: Start difference. First operand has 298 places, 296 transitions, 614 flow. Second operand 3 states and 955 transitions. [2024-10-31 22:00:53,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 299 transitions, 650 flow [2024-10-31 22:00:53,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 299 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:00:53,920 INFO L231 Difference]: Finished difference. Result has 297 places, 295 transitions, 610 flow [2024-10-31 22:00:53,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=297, PETRI_TRANSITIONS=295} [2024-10-31 22:00:53,921 INFO L277 CegarLoopForPetriNet]: 333 programPoint places, -36 predicate places. [2024-10-31 22:00:53,922 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 295 transitions, 610 flow [2024-10-31 22:00:53,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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 22:00:53,923 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:53,923 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] [2024-10-31 22:00:53,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:00:53,924 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:00:53,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:53,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1032264963, now seen corresponding path program 1 times [2024-10-31 22:00:53,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:53,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348215857] [2024-10-31 22:00:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:54,007 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 22:00:54,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:54,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348215857] [2024-10-31 22:00:54,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348215857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:54,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:54,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:54,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910961745] [2024-10-31 22:00:54,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:54,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:54,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:54,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:54,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:54,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 343 [2024-10-31 22:00:54,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 295 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 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 22:00:54,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:54,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 343 [2024-10-31 22:00:54,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:54,247 INFO L124 PetriNetUnfolderBase]: 51/1188 cut-off events. [2024-10-31 22:00:54,248 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-10-31 22:00:54,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1339 conditions, 1188 events. 51/1188 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6754 event pairs, 20 based on Foata normal form. 0/1082 useless extension candidates. Maximal degree in co-relation 1178. Up to 77 conditions per place. [2024-10-31 22:00:54,259 INFO L140 encePairwiseOnDemand]: 340/343 looper letters, 18 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-10-31 22:00:54,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 298 transitions, 656 flow [2024-10-31 22:00:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 947 transitions. [2024-10-31 22:00:54,263 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9203109815354713 [2024-10-31 22:00:54,263 INFO L175 Difference]: Start difference. First operand has 297 places, 295 transitions, 610 flow. Second operand 3 states and 947 transitions. [2024-10-31 22:00:54,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 298 transitions, 656 flow [2024-10-31 22:00:54,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 298 transitions, 655 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:00:54,270 INFO L231 Difference]: Finished difference. Result has 297 places, 294 transitions, 611 flow [2024-10-31 22:00:54,271 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=297, PETRI_TRANSITIONS=294} [2024-10-31 22:00:54,272 INFO L277 CegarLoopForPetriNet]: 333 programPoint places, -36 predicate places. [2024-10-31 22:00:54,272 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 294 transitions, 611 flow [2024-10-31 22:00:54,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 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 22:00:54,273 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:54,274 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] [2024-10-31 22:00:54,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:00:54,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-31 22:00:54,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:54,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1007656582, now seen corresponding path program 1 times [2024-10-31 22:00:54,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:54,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631569387] [2024-10-31 22:00:54,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:54,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:55,058 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 22:00:55,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:55,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631569387] [2024-10-31 22:00:55,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631569387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:55,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:55,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:00:55,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124964844] [2024-10-31 22:00:55,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:55,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:00:55,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:55,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:00:55,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:00:55,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 343 [2024-10-31 22:00:55,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 294 transitions, 611 flow. Second operand has 6 states, 6 states have (on average 258.0) internal successors, (1548), 6 states have internal predecessors, (1548), 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 22:00:55,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:55,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 343 [2024-10-31 22:00:55,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand