./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX --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 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:27:21,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:27:21,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:27:21,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:27:21,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:27:21,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:27:21,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:27:21,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:27:21,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:27:21,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:27:21,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:27:21,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:27:21,263 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:27:21,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:27:21,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:27:21,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:27:21,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:27:21,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:27:21,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:27:21,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:27:21,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:27:21,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:27:21,273 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:27:21,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:27:21,274 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:27:21,274 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:27:21,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:27:21,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:27:21,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:27:21,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:27:21,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:27:21,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:21,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:27:21,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:27:21,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:27:21,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:27:21,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:27:21,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:27:21,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:27:21,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:27:21,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:27:21,283 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_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 [2024-11-08 17:27:21,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:27:21,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:27:21,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:27:21,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:27:21,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:27:21,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i Unable to find full path for "g++" [2024-11-08 17:27:24,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:27:24,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:27:24,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-11-08 17:27:24,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/data/182b6b141/930aeaf81eed40ea80eb831886016637/FLAGef6bf7217 [2024-11-08 17:27:24,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/data/182b6b141/930aeaf81eed40ea80eb831886016637 [2024-11-08 17:27:24,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:27:24,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:27:24,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:24,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:27:24,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:27:24,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:24" (1/1) ... [2024-11-08 17:27:24,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6febae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:24, skipping insertion in model container [2024-11-08 17:27:24,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:24" (1/1) ... [2024-11-08 17:27:24,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:27:25,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:25,120 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:27:25,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:25,279 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:27:25,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25 WrapperNode [2024-11-08 17:27:25,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:25,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:25,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:27:25,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:27:25,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,352 INFO L138 Inliner]: procedures = 163, calls = 55, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 125 [2024-11-08 17:27:25,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:25,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:27:25,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:27:25,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:27:25,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:27:25,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:27:25,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:27:25,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:27:25,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:25,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:25,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:27:25,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:27:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-08 17:27:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-08 17:27:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 17:27:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:27:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 17:27:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 17:27:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:27:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 17:27:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:27:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:27:25,613 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:27:25,802 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:27:25,806 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:27:26,313 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:27:26,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:27:26,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:27:26,402 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:27:26,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:26 BoogieIcfgContainer [2024-11-08 17:27:26,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:27:26,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:27:26,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:27:26,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:27:26,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:27:24" (1/3) ... [2024-11-08 17:27:26,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289bad53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:26, skipping insertion in model container [2024-11-08 17:27:26,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (2/3) ... [2024-11-08 17:27:26,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289bad53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:26, skipping insertion in model container [2024-11-08 17:27:26,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:26" (3/3) ... [2024-11-08 17:27:26,415 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-11-08 17:27:26,439 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:27:26,439 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-08 17:27:26,440 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:27:26,540 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 17:27:26,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 215 transitions, 444 flow [2024-11-08 17:27:26,780 INFO L124 PetriNetUnfolderBase]: 8/213 cut-off events. [2024-11-08 17:27:26,783 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 17:27:26,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 213 events. 8/213 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 333 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2024-11-08 17:27:26,795 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 215 transitions, 444 flow [2024-11-08 17:27:26,807 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 208 transitions, 425 flow [2024-11-08 17:27:26,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:27:26,844 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;@49bc43df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:27:26,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-08 17:27:26,877 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:27:26,878 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2024-11-08 17:27:26,878 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:27:26,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:26,879 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] [2024-11-08 17:27:26,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:26,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:26,890 INFO L85 PathProgramCache]: Analyzing trace with hash -477178526, now seen corresponding path program 1 times [2024-11-08 17:27:26,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:26,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823727231] [2024-11-08 17:27:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:27,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:27,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823727231] [2024-11-08 17:27:27,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823727231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:27,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:27,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:27,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36873502] [2024-11-08 17:27:27,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:27,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:27,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:27,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:27,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:27,402 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 215 [2024-11-08 17:27:27,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 208 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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) [2024-11-08 17:27:27,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:27,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 215 [2024-11-08 17:27:27,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:30,339 INFO L124 PetriNetUnfolderBase]: 4355/15186 cut-off events. [2024-11-08 17:27:30,340 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-11-08 17:27:30,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22183 conditions, 15186 events. 4355/15186 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 167170 event pairs, 1643 based on Foata normal form. 962/14829 useless extension candidates. Maximal degree in co-relation 22057. Up to 4457 conditions per place. [2024-11-08 17:27:30,536 INFO L140 encePairwiseOnDemand]: 192/215 looper letters, 66 selfloop transitions, 10 changer transitions 0/224 dead transitions. [2024-11-08 17:27:30,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 224 transitions, 615 flow [2024-11-08 17:27:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:27:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2024-11-08 17:27:30,552 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8852713178294573 [2024-11-08 17:27:30,554 INFO L175 Difference]: Start difference. First operand has 207 places, 208 transitions, 425 flow. Second operand 3 states and 571 transitions. [2024-11-08 17:27:30,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 224 transitions, 615 flow [2024-11-08 17:27:30,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 224 transitions, 607 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 17:27:30,568 INFO L231 Difference]: Finished difference. Result has 198 places, 198 transitions, 462 flow [2024-11-08 17:27:30,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=198, PETRI_TRANSITIONS=198} [2024-11-08 17:27:30,574 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -9 predicate places. [2024-11-08 17:27:30,574 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 198 transitions, 462 flow [2024-11-08 17:27:30,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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) [2024-11-08 17:27:30,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:30,575 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] [2024-11-08 17:27:30,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:27:30,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:30,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:30,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1757956060, now seen corresponding path program 1 times [2024-11-08 17:27:30,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:30,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730218832] [2024-11-08 17:27:30,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:30,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:30,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730218832] [2024-11-08 17:27:30,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730218832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:30,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:30,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:30,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368397218] [2024-11-08 17:27:30,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:30,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:30,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:30,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:30,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:30,760 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-08 17:27:30,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 198 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2024-11-08 17:27:30,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:30,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-08 17:27:30,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:33,172 INFO L124 PetriNetUnfolderBase]: 4773/14933 cut-off events. [2024-11-08 17:27:33,172 INFO L125 PetriNetUnfolderBase]: For 2287/2315 co-relation queries the response was YES. [2024-11-08 17:27:33,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24615 conditions, 14933 events. 4773/14933 cut-off events. For 2287/2315 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 162285 event pairs, 3453 based on Foata normal form. 28/13560 useless extension candidates. Maximal degree in co-relation 24457. Up to 6392 conditions per place. [2024-11-08 17:27:33,285 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 61 selfloop transitions, 8 changer transitions 0/224 dead transitions. [2024-11-08 17:27:33,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 224 transitions, 670 flow [2024-11-08 17:27:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:33,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:27:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-08 17:27:33,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8604651162790697 [2024-11-08 17:27:33,289 INFO L175 Difference]: Start difference. First operand has 198 places, 198 transitions, 462 flow. Second operand 3 states and 555 transitions. [2024-11-08 17:27:33,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 224 transitions, 670 flow [2024-11-08 17:27:33,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 224 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:27:33,308 INFO L231 Difference]: Finished difference. Result has 200 places, 205 transitions, 514 flow [2024-11-08 17:27:33,308 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=200, PETRI_TRANSITIONS=205} [2024-11-08 17:27:33,309 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -7 predicate places. [2024-11-08 17:27:33,309 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 205 transitions, 514 flow [2024-11-08 17:27:33,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2024-11-08 17:27:33,310 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:33,310 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] [2024-11-08 17:27:33,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:27:33,311 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:33,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:33,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1039786127, now seen corresponding path program 1 times [2024-11-08 17:27:33,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:33,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705697901] [2024-11-08 17:27:33,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:33,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:33,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705697901] [2024-11-08 17:27:33,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705697901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:33,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:33,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:33,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307574246] [2024-11-08 17:27:33,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:33,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:33,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:33,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:33,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:33,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-08 17:27:33,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 205 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-11-08 17:27:33,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:33,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-08 17:27:33,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:37,126 INFO L124 PetriNetUnfolderBase]: 6874/23203 cut-off events. [2024-11-08 17:27:37,126 INFO L125 PetriNetUnfolderBase]: For 723/765 co-relation queries the response was YES. [2024-11-08 17:27:37,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35958 conditions, 23203 events. 6874/23203 cut-off events. For 723/765 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 278919 event pairs, 2705 based on Foata normal form. 14/21415 useless extension candidates. Maximal degree in co-relation 35833. Up to 5723 conditions per place. [2024-11-08 17:27:37,324 INFO L140 encePairwiseOnDemand]: 206/215 looper letters, 59 selfloop transitions, 6 changer transitions 0/232 dead transitions. [2024-11-08 17:27:37,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 232 transitions, 699 flow [2024-11-08 17:27:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:27:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2024-11-08 17:27:37,329 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8682170542635659 [2024-11-08 17:27:37,329 INFO L175 Difference]: Start difference. First operand has 200 places, 205 transitions, 514 flow. Second operand 3 states and 560 transitions. [2024-11-08 17:27:37,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 232 transitions, 699 flow [2024-11-08 17:27:37,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 232 transitions, 683 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:27:37,341 INFO L231 Difference]: Finished difference. Result has 200 places, 207 transitions, 536 flow [2024-11-08 17:27:37,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=200, PETRI_TRANSITIONS=207} [2024-11-08 17:27:37,343 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -7 predicate places. [2024-11-08 17:27:37,343 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 207 transitions, 536 flow [2024-11-08 17:27:37,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-11-08 17:27:37,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:37,344 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] [2024-11-08 17:27:37,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:27:37,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:37,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:37,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1523394632, now seen corresponding path program 1 times [2024-11-08 17:27:37,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:37,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173879351] [2024-11-08 17:27:37,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:37,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:37,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:37,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173879351] [2024-11-08 17:27:37,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173879351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:37,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:37,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:37,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505315324] [2024-11-08 17:27:37,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:37,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:37,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:37,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:37,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:37,487 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 215 [2024-11-08 17:27:37,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 207 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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) [2024-11-08 17:27:37,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:37,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 215 [2024-11-08 17:27:37,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:40,891 INFO L124 PetriNetUnfolderBase]: 7740/24641 cut-off events. [2024-11-08 17:27:40,892 INFO L125 PetriNetUnfolderBase]: For 3856/3962 co-relation queries the response was YES. [2024-11-08 17:27:40,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41371 conditions, 24641 events. 7740/24641 cut-off events. For 3856/3962 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 297555 event pairs, 5376 based on Foata normal form. 14/22559 useless extension candidates. Maximal degree in co-relation 41247. Up to 10216 conditions per place. [2024-11-08 17:27:41,111 INFO L140 encePairwiseOnDemand]: 210/215 looper letters, 57 selfloop transitions, 4 changer transitions 0/229 dead transitions. [2024-11-08 17:27:41,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 229 transitions, 707 flow [2024-11-08 17:27:41,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:41,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:27:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2024-11-08 17:27:41,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635658914728682 [2024-11-08 17:27:41,115 INFO L175 Difference]: Start difference. First operand has 200 places, 207 transitions, 536 flow. Second operand 3 states and 557 transitions. [2024-11-08 17:27:41,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 229 transitions, 707 flow [2024-11-08 17:27:41,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 229 transitions, 693 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:27:41,129 INFO L231 Difference]: Finished difference. Result has 202 places, 210 transitions, 556 flow [2024-11-08 17:27:41,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=202, PETRI_TRANSITIONS=210} [2024-11-08 17:27:41,131 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -5 predicate places. [2024-11-08 17:27:41,132 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 210 transitions, 556 flow [2024-11-08 17:27:41,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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) [2024-11-08 17:27:41,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:41,133 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] [2024-11-08 17:27:41,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:27:41,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:41,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:41,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1476059165, now seen corresponding path program 1 times [2024-11-08 17:27:41,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:41,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856413212] [2024-11-08 17:27:41,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:41,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:41,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:41,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856413212] [2024-11-08 17:27:41,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856413212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:41,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:41,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:27:41,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022051838] [2024-11-08 17:27:41,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:41,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:27:41,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:41,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:27:41,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:27:41,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2024-11-08 17:27:41,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 210 transitions, 556 flow. Second operand has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 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) [2024-11-08 17:27:41,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:41,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2024-11-08 17:27:41,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:43,610 INFO L124 PetriNetUnfolderBase]: 1980/10595 cut-off events. [2024-11-08 17:27:43,610 INFO L125 PetriNetUnfolderBase]: For 425/498 co-relation queries the response was YES. [2024-11-08 17:27:43,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15886 conditions, 10595 events. 1980/10595 cut-off events. For 425/498 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 124128 event pairs, 607 based on Foata normal form. 109/9923 useless extension candidates. Maximal degree in co-relation 15759. Up to 1748 conditions per place. [2024-11-08 17:27:43,678 INFO L140 encePairwiseOnDemand]: 207/215 looper letters, 44 selfloop transitions, 8 changer transitions 0/233 dead transitions. [2024-11-08 17:27:43,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 233 transitions, 708 flow [2024-11-08 17:27:43,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:27:43,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:27:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 919 transitions. [2024-11-08 17:27:43,682 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8548837209302326 [2024-11-08 17:27:43,682 INFO L175 Difference]: Start difference. First operand has 202 places, 210 transitions, 556 flow. Second operand 5 states and 919 transitions. [2024-11-08 17:27:43,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 233 transitions, 708 flow [2024-11-08 17:27:43,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 233 transitions, 700 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:27:43,690 INFO L231 Difference]: Finished difference. Result has 205 places, 214 transitions, 586 flow [2024-11-08 17:27:43,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=586, PETRI_PLACES=205, PETRI_TRANSITIONS=214} [2024-11-08 17:27:43,691 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -2 predicate places. [2024-11-08 17:27:43,692 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 214 transitions, 586 flow [2024-11-08 17:27:43,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 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) [2024-11-08 17:27:43,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:43,693 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] [2024-11-08 17:27:43,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:27:43,694 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:43,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:43,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1686946676, now seen corresponding path program 1 times [2024-11-08 17:27:43,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:43,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085718969] [2024-11-08 17:27:43,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:43,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:43,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:43,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085718969] [2024-11-08 17:27:43,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085718969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:43,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:43,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:43,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716721369] [2024-11-08 17:27:43,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:43,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:43,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:43,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:43,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:43,814 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-08 17:27:43,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 214 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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) [2024-11-08 17:27:43,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:43,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-08 17:27:43,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:46,246 INFO L124 PetriNetUnfolderBase]: 3946/14426 cut-off events. [2024-11-08 17:27:46,247 INFO L125 PetriNetUnfolderBase]: For 3501/3511 co-relation queries the response was YES. [2024-11-08 17:27:46,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26551 conditions, 14426 events. 3946/14426 cut-off events. For 3501/3511 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 165817 event pairs, 2498 based on Foata normal form. 2/13437 useless extension candidates. Maximal degree in co-relation 26386. Up to 6071 conditions per place. [2024-11-08 17:27:46,317 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 70 selfloop transitions, 8 changer transitions 2/242 dead transitions. [2024-11-08 17:27:46,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 242 transitions, 840 flow [2024-11-08 17:27:46,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:46,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:27:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-08 17:27:46,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8604651162790697 [2024-11-08 17:27:46,319 INFO L175 Difference]: Start difference. First operand has 205 places, 214 transitions, 586 flow. Second operand 3 states and 555 transitions. [2024-11-08 17:27:46,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 242 transitions, 840 flow [2024-11-08 17:27:46,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 242 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:27:46,327 INFO L231 Difference]: Finished difference. Result has 207 places, 221 transitions, 665 flow [2024-11-08 17:27:46,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=665, PETRI_PLACES=207, PETRI_TRANSITIONS=221} [2024-11-08 17:27:46,328 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 0 predicate places. [2024-11-08 17:27:46,328 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 221 transitions, 665 flow [2024-11-08 17:27:46,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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) [2024-11-08 17:27:46,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:46,330 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] [2024-11-08 17:27:46,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:27:46,330 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:46,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1464912069, now seen corresponding path program 1 times [2024-11-08 17:27:46,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:46,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537774626] [2024-11-08 17:27:46,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:46,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:46,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537774626] [2024-11-08 17:27:46,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537774626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:46,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:46,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:46,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647913810] [2024-11-08 17:27:46,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:46,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:46,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:46,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:46,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:46,419 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 215 [2024-11-08 17:27:46,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 221 transitions, 665 flow. Second operand has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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) [2024-11-08 17:27:46,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:46,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 215 [2024-11-08 17:27:46,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:48,539 INFO L124 PetriNetUnfolderBase]: 3679/15023 cut-off events. [2024-11-08 17:27:48,539 INFO L125 PetriNetUnfolderBase]: For 3682/3804 co-relation queries the response was YES. [2024-11-08 17:27:48,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27279 conditions, 15023 events. 3679/15023 cut-off events. For 3682/3804 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 176864 event pairs, 2162 based on Foata normal form. 4/13778 useless extension candidates. Maximal degree in co-relation 27144. Up to 5227 conditions per place. [2024-11-08 17:27:48,612 INFO L140 encePairwiseOnDemand]: 210/215 looper letters, 61 selfloop transitions, 4 changer transitions 3/245 dead transitions. [2024-11-08 17:27:48,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 245 transitions, 873 flow [2024-11-08 17:27:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:27:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2024-11-08 17:27:48,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635658914728682 [2024-11-08 17:27:48,615 INFO L175 Difference]: Start difference. First operand has 207 places, 221 transitions, 665 flow. Second operand 3 states and 557 transitions. [2024-11-08 17:27:48,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 245 transitions, 873 flow [2024-11-08 17:27:48,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 245 transitions, 847 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-08 17:27:48,630 INFO L231 Difference]: Finished difference. Result has 209 places, 224 transitions, 673 flow [2024-11-08 17:27:48,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=209, PETRI_TRANSITIONS=224} [2024-11-08 17:27:48,631 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 2 predicate places. [2024-11-08 17:27:48,632 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 224 transitions, 673 flow [2024-11-08 17:27:48,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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) [2024-11-08 17:27:48,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:48,633 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] [2024-11-08 17:27:48,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:27:48,633 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:48,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:48,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1475972710, now seen corresponding path program 1 times [2024-11-08 17:27:48,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:48,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789622945] [2024-11-08 17:27:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:48,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:48,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:48,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:48,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789622945] [2024-11-08 17:27:48,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789622945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:48,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:48,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:27:48,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100411695] [2024-11-08 17:27:48,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:48,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:27:48,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:48,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:27:48,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:27:49,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2024-11-08 17:27:49,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 224 transitions, 673 flow. Second operand has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 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) [2024-11-08 17:27:49,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:49,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2024-11-08 17:27:49,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:50,492 INFO L124 PetriNetUnfolderBase]: 1335/7857 cut-off events. [2024-11-08 17:27:50,493 INFO L125 PetriNetUnfolderBase]: For 1577/1625 co-relation queries the response was YES. [2024-11-08 17:27:50,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13361 conditions, 7857 events. 1335/7857 cut-off events. For 1577/1625 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 87412 event pairs, 374 based on Foata normal form. 24/7458 useless extension candidates. Maximal degree in co-relation 13225. Up to 1346 conditions per place. [2024-11-08 17:27:50,549 INFO L140 encePairwiseOnDemand]: 207/215 looper letters, 40 selfloop transitions, 10 changer transitions 13/250 dead transitions. [2024-11-08 17:27:50,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 250 transitions, 867 flow [2024-11-08 17:27:50,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:27:50,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:27:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 919 transitions. [2024-11-08 17:27:50,553 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8548837209302326 [2024-11-08 17:27:50,553 INFO L175 Difference]: Start difference. First operand has 209 places, 224 transitions, 673 flow. Second operand 5 states and 919 transitions. [2024-11-08 17:27:50,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 250 transitions, 867 flow [2024-11-08 17:27:50,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 250 transitions, 857 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 17:27:50,575 INFO L231 Difference]: Finished difference. Result has 212 places, 223 transitions, 699 flow [2024-11-08 17:27:50,576 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=699, PETRI_PLACES=212, PETRI_TRANSITIONS=223} [2024-11-08 17:27:50,577 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 5 predicate places. [2024-11-08 17:27:50,577 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 223 transitions, 699 flow [2024-11-08 17:27:50,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 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) [2024-11-08 17:27:50,578 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:50,579 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] [2024-11-08 17:27:50,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:27:50,579 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:50,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:50,580 INFO L85 PathProgramCache]: Analyzing trace with hash -67412236, now seen corresponding path program 1 times [2024-11-08 17:27:50,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:50,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773725337] [2024-11-08 17:27:50,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:50,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:50,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:50,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773725337] [2024-11-08 17:27:50,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773725337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:50,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:50,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:27:50,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760456328] [2024-11-08 17:27:50,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:50,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:50,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:50,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:50,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:50,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2024-11-08 17:27:50,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 223 transitions, 699 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2024-11-08 17:27:50,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:50,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2024-11-08 17:27:50,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:52,280 INFO L124 PetriNetUnfolderBase]: 818/7273 cut-off events. [2024-11-08 17:27:52,280 INFO L125 PetriNetUnfolderBase]: For 2285/2317 co-relation queries the response was YES. [2024-11-08 17:27:52,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12563 conditions, 7273 events. 818/7273 cut-off events. For 2285/2317 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 80053 event pairs, 233 based on Foata normal form. 167/7150 useless extension candidates. Maximal degree in co-relation 7911. Up to 1260 conditions per place. [2024-11-08 17:27:52,311 INFO L140 encePairwiseOnDemand]: 195/215 looper letters, 24 selfloop transitions, 20 changer transitions 15/247 dead transitions. [2024-11-08 17:27:52,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 247 transitions, 931 flow [2024-11-08 17:27:52,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:27:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 576 transitions. [2024-11-08 17:27:52,314 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8930232558139535 [2024-11-08 17:27:52,314 INFO L175 Difference]: Start difference. First operand has 212 places, 223 transitions, 699 flow. Second operand 3 states and 576 transitions. [2024-11-08 17:27:52,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 247 transitions, 931 flow [2024-11-08 17:27:52,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 247 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:27:52,325 INFO L231 Difference]: Finished difference. Result has 213 places, 227 transitions, 789 flow [2024-11-08 17:27:52,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=213, PETRI_TRANSITIONS=227} [2024-11-08 17:27:52,327 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 6 predicate places. [2024-11-08 17:27:52,327 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 227 transitions, 789 flow [2024-11-08 17:27:52,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2024-11-08 17:27:52,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:52,329 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] [2024-11-08 17:27:52,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:27:52,329 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:52,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1420638874, now seen corresponding path program 2 times [2024-11-08 17:27:52,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:52,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621186387] [2024-11-08 17:27:52,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:52,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:52,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:52,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621186387] [2024-11-08 17:27:52,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621186387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:52,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:52,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:27:52,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295072911] [2024-11-08 17:27:52,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:52,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:27:52,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:52,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:27:52,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:27:53,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 215 [2024-11-08 17:27:53,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 227 transitions, 789 flow. Second operand has 7 states, 7 states have (on average 174.14285714285714) internal successors, (1219), 7 states have internal predecessors, (1219), 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) [2024-11-08 17:27:53,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:53,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 215 [2024-11-08 17:27:53,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:53,586 INFO L124 PetriNetUnfolderBase]: 149/2619 cut-off events. [2024-11-08 17:27:53,586 INFO L125 PetriNetUnfolderBase]: For 1537/1594 co-relation queries the response was YES. [2024-11-08 17:27:53,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4927 conditions, 2619 events. 149/2619 cut-off events. For 1537/1594 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 21453 event pairs, 65 based on Foata normal form. 37/2571 useless extension candidates. Maximal degree in co-relation 3375. Up to 426 conditions per place. [2024-11-08 17:27:53,595 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 27 selfloop transitions, 7 changer transitions 13/207 dead transitions. [2024-11-08 17:27:53,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 207 transitions, 773 flow [2024-11-08 17:27:53,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:27:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:27:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1070 transitions. [2024-11-08 17:27:53,600 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2024-11-08 17:27:53,600 INFO L175 Difference]: Start difference. First operand has 213 places, 227 transitions, 789 flow. Second operand 6 states and 1070 transitions. [2024-11-08 17:27:53,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 207 transitions, 773 flow [2024-11-08 17:27:53,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 207 transitions, 713 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-08 17:27:53,614 INFO L231 Difference]: Finished difference. Result has 208 places, 190 transitions, 534 flow [2024-11-08 17:27:53,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=208, PETRI_TRANSITIONS=190} [2024-11-08 17:27:53,615 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 1 predicate places. [2024-11-08 17:27:53,616 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 190 transitions, 534 flow [2024-11-08 17:27:53,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 174.14285714285714) internal successors, (1219), 7 states have internal predecessors, (1219), 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) [2024-11-08 17:27:53,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:27:53,618 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] [2024-11-08 17:27:53,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:27:53,619 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 17:27:53,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:53,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1016827974, now seen corresponding path program 1 times [2024-11-08 17:27:53,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:53,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723133207] [2024-11-08 17:27:53,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:53,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:54,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:54,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723133207] [2024-11-08 17:27:54,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723133207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:54,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:54,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:27:54,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716212211] [2024-11-08 17:27:54,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:54,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:27:54,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:54,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:27:54,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:27:54,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 215 [2024-11-08 17:27:54,646 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 190 transitions, 534 flow. Second operand has 8 states, 8 states have (on average 174.5) internal successors, (1396), 8 states have internal predecessors, (1396), 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) [2024-11-08 17:27:54,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:27:54,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 215 [2024-11-08 17:27:54,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:27:54,879 INFO L124 PetriNetUnfolderBase]: 41/736 cut-off events. [2024-11-08 17:27:54,879 INFO L125 PetriNetUnfolderBase]: For 331/344 co-relation queries the response was YES. [2024-11-08 17:27:54,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 736 events. 41/736 cut-off events. For 331/344 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3539 event pairs, 14 based on Foata normal form. 2/718 useless extension candidates. Maximal degree in co-relation 1131. Up to 118 conditions per place. [2024-11-08 17:27:54,882 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 0 selfloop transitions, 0 changer transitions 190/190 dead transitions. [2024-11-08 17:27:54,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 190 transitions, 615 flow [2024-11-08 17:27:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:27:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:27:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1072 transitions. [2024-11-08 17:27:54,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8310077519379845 [2024-11-08 17:27:54,888 INFO L175 Difference]: Start difference. First operand has 208 places, 190 transitions, 534 flow. Second operand 6 states and 1072 transitions. [2024-11-08 17:27:54,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 190 transitions, 615 flow [2024-11-08 17:27:54,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 190 transitions, 564 flow, removed 6 selfloop flow, removed 11 redundant places. [2024-11-08 17:27:54,894 INFO L231 Difference]: Finished difference. Result has 198 places, 0 transitions, 0 flow [2024-11-08 17:27:54,894 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=198, PETRI_TRANSITIONS=0} [2024-11-08 17:27:54,895 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -9 predicate places. [2024-11-08 17:27:54,896 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 0 transitions, 0 flow [2024-11-08 17:27:54,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 174.5) internal successors, (1396), 8 states have internal predecessors, (1396), 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) [2024-11-08 17:27:54,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2024-11-08 17:27:54,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2024-11-08 17:27:54,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2024-11-08 17:27:54,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2024-11-08 17:27:54,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2024-11-08 17:27:54,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2024-11-08 17:27:54,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2024-11-08 17:27:54,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2024-11-08 17:27:54,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 22 remaining) [2024-11-08 17:27:54,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 22 remaining) [2024-11-08 17:27:54,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2024-11-08 17:27:54,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2024-11-08 17:27:54,908 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2024-11-08 17:27:54,908 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2024-11-08 17:27:54,908 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2024-11-08 17:27:54,909 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2024-11-08 17:27:54,909 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2024-11-08 17:27:54,909 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2024-11-08 17:27:54,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2024-11-08 17:27:54,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2024-11-08 17:27:54,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2024-11-08 17:27:54,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2024-11-08 17:27:54,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:27:54,912 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:54,920 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:27:54,920 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:27:54,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:27:54 BasicIcfg [2024-11-08 17:27:54,931 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:27:54,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:27:54,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:27:54,932 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:27:54,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:26" (3/4) ... [2024-11-08 17:27:54,936 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:27:54,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-11-08 17:27:54,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-08 17:27:54,950 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 17:27:54,951 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:27:54,951 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 17:27:54,952 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:27:55,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:27:55,057 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:27:55,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:27:55,058 INFO L158 Benchmark]: Toolchain (without parser) took 30681.91ms. Allocated memory was 159.4MB in the beginning and 9.0GB in the end (delta: 8.8GB). Free memory was 117.2MB in the beginning and 7.5GB in the end (delta: -7.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 17:27:55,059 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:55,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 903.54ms. Allocated memory is still 159.4MB. Free memory was 117.2MB in the beginning and 94.0MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:55,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.45ms. Allocated memory is still 159.4MB. Free memory was 94.0MB in the beginning and 91.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:55,060 INFO L158 Benchmark]: Boogie Preprocessor took 40.27ms. Allocated memory is still 159.4MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:55,061 INFO L158 Benchmark]: RCFGBuilder took 1008.00ms. Allocated memory is still 159.4MB. Free memory was 90.0MB in the beginning and 106.7MB in the end (delta: -16.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 17:27:55,061 INFO L158 Benchmark]: TraceAbstraction took 28525.50ms. Allocated memory was 159.4MB in the beginning and 9.0GB in the end (delta: 8.8GB). Free memory was 106.3MB in the beginning and 7.5GB in the end (delta: -7.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 17:27:55,062 INFO L158 Benchmark]: Witness Printer took 125.85ms. Allocated memory is still 9.0GB. Free memory was 7.5GB in the beginning and 7.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:27:55,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 903.54ms. Allocated memory is still 159.4MB. Free memory was 117.2MB in the beginning and 94.0MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.45ms. Allocated memory is still 159.4MB. Free memory was 94.0MB in the beginning and 91.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.27ms. Allocated memory is still 159.4MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1008.00ms. Allocated memory is still 159.4MB. Free memory was 90.0MB in the beginning and 106.7MB in the end (delta: -16.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * TraceAbstraction took 28525.50ms. Allocated memory was 159.4MB in the beginning and 9.0GB in the end (delta: 8.8GB). Free memory was 106.3MB in the beginning and 7.5GB in the end (delta: -7.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 125.85ms. Allocated memory is still 9.0GB. Free memory was 7.5GB in the beginning and 7.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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 5 procedures, 286 locations, 22 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: 28.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 24.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 909 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 643 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1458 IncrementalHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 50 mSDtfsCounter, 1458 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=9, InterpolantAutomatonStates: 43, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 769 ConstructedInterpolants, 0 QuantifiedInterpolants, 2990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:27:55,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e042c0d1-311e-4713-be41-0eafc4fa528a/bin/uautomizer-verify-jihMAELWvX/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