./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme --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 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:43:43,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:43:43,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:43:43,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:43:43,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:43:43,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:43:43,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:43:43,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:43:43,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:43:43,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:43:43,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:43:43,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:43:43,649 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:43:43,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:43:43,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:43:43,651 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:43:43,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:43:43,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:43:43,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:43:43,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:43:43,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:43:43,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:43:43,655 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:43:43,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:43:43,657 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:43:43,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:43:43,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:43:43,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:43:43,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:43:43,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:43:43,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:43:43,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:43:43,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:43:43,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:43:43,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:43:43,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:43:43,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:43:43,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:43:43,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:43:43,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:43:43,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:43:43,680 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_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece [2023-11-26 11:43:43,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:43:43,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:43:43,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:43:43,961 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:43:43,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:43:43,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-26 11:43:46,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:43:47,392 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:43:47,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-26 11:43:47,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/data/231c60e8e/cecd02ad665444dc85353bdf7f5702d1/FLAG0ec979fea [2023-11-26 11:43:47,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/data/231c60e8e/cecd02ad665444dc85353bdf7f5702d1 [2023-11-26 11:43:47,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:43:47,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:43:47,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:43:47,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:43:47,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:43:47,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:47,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be090f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47, skipping insertion in model container [2023-11-26 11:43:47,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:47,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:43:48,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:43:48,232 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:43:48,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:43:48,408 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:43:48,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48 WrapperNode [2023-11-26 11:43:48,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:43:48,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:43:48,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:43:48,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:43:48,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,493 INFO L138 Inliner]: procedures = 246, calls = 48, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 225 [2023-11-26 11:43:48,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:43:48,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:43:48,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:43:48,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:43:48,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:43:48,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:43:48,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:43:48,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:43:48,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:43:48,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:43:48,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:43:48,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b63a7ceb-5a01-49ad-8fdd-93fe6c0ce46d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:43:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-26 11:43:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-26 11:43:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:43:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:43:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:43:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:43:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:43:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:43:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:43:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-26 11:43:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:43:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:43:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:43:48,666 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:43:49,028 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:43:49,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:43:49,619 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:43:49,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:43:49,661 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:43:49,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:43:49 BoogieIcfgContainer [2023-11-26 11:43:49,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:43:49,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:43:49,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:43:49,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:43:49,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:43:47" (1/3) ... [2023-11-26 11:43:49,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2576dd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:43:49, skipping insertion in model container [2023-11-26 11:43:49,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (2/3) ... [2023-11-26 11:43:49,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2576dd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:43:49, skipping insertion in model container [2023-11-26 11:43:49,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:43:49" (3/3) ... [2023-11-26 11:43:49,677 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-11-26 11:43:49,687 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:43:49,698 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:43:49,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-26 11:43:49,699 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:43:49,836 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:43:49,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 349 places, 357 transitions, 728 flow [2023-11-26 11:43:50,140 INFO L124 PetriNetUnfolderBase]: 18/445 cut-off events. [2023-11-26 11:43:50,141 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:43:50,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 445 events. 18/445 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 979 event pairs, 0 based on Foata normal form. 0/399 useless extension candidates. Maximal degree in co-relation 248. Up to 4 conditions per place. [2023-11-26 11:43:50,149 INFO L82 GeneralOperation]: Start removeDead. Operand has 349 places, 357 transitions, 728 flow [2023-11-26 11:43:50,163 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 347 places, 354 transitions, 720 flow [2023-11-26 11:43:50,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:43:50,185 INFO L357 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, mHoare=true, 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;@53d4a8a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:43:50,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-26 11:43:50,193 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:43:50,193 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-26 11:43:50,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:43:50,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:50,195 INFO L208 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] [2023-11-26 11:43:50,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:43:50,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:50,202 INFO L85 PathProgramCache]: Analyzing trace with hash 110952586, now seen corresponding path program 1 times [2023-11-26 11:43:50,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:50,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312225277] [2023-11-26 11:43:50,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:50,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:51,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:51,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312225277] [2023-11-26 11:43:51,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312225277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:51,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:51,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:43:51,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128689060] [2023-11-26 11:43:51,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:51,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:43:51,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:51,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:43:51,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:43:52,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 357 [2023-11-26 11:43:52,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 354 transitions, 720 flow. Second operand has 6 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 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) [2023-11-26 11:43:52,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:52,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 357 [2023-11-26 11:43:52,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:58,603 INFO L124 PetriNetUnfolderBase]: 9101/24420 cut-off events. [2023-11-26 11:43:58,603 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2023-11-26 11:43:58,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38656 conditions, 24420 events. 9101/24420 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 262096 event pairs, 9100 based on Foata normal form. 717/23063 useless extension candidates. Maximal degree in co-relation 37992. Up to 14180 conditions per place. [2023-11-26 11:43:58,795 INFO L140 encePairwiseOnDemand]: 339/357 looper letters, 74 selfloop transitions, 5 changer transitions 12/323 dead transitions. [2023-11-26 11:43:58,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 323 transitions, 816 flow [2023-11-26 11:43:58,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:43:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:43:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1646 transitions. [2023-11-26 11:43:58,818 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7684407096171803 [2023-11-26 11:43:58,819 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1646 transitions. [2023-11-26 11:43:58,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1646 transitions. [2023-11-26 11:43:58,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:58,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1646 transitions. [2023-11-26 11:43:58,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 274.3333333333333) internal successors, (1646), 6 states have internal predecessors, (1646), 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) [2023-11-26 11:43:58,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:43:58,848 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:43:58,851 INFO L175 Difference]: Start difference. First operand has 347 places, 354 transitions, 720 flow. Second operand 6 states and 1646 transitions. [2023-11-26 11:43:58,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 323 transitions, 816 flow [2023-11-26 11:43:58,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 323 transitions, 808 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:43:58,872 INFO L231 Difference]: Finished difference. Result has 329 places, 311 transitions, 636 flow [2023-11-26 11:43:58,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=636, PETRI_PLACES=329, PETRI_TRANSITIONS=311} [2023-11-26 11:43:58,879 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -18 predicate places. [2023-11-26 11:43:58,879 INFO L495 AbstractCegarLoop]: Abstraction has has 329 places, 311 transitions, 636 flow [2023-11-26 11:43:58,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 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) [2023-11-26 11:43:58,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:58,882 INFO L208 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] [2023-11-26 11:43:58,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:43:58,882 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:43:58,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:58,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1075735788, now seen corresponding path program 1 times [2023-11-26 11:43:58,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:58,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537405606] [2023-11-26 11:43:58,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:58,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:59,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:59,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:59,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537405606] [2023-11-26 11:43:59,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537405606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:59,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:59,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:43:59,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922149849] [2023-11-26 11:43:59,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:59,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:43:59,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:59,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:43:59,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:44:00,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 357 [2023-11-26 11:44:00,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 311 transitions, 636 flow. Second operand has 6 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 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) [2023-11-26 11:44:00,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:00,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 357 [2023-11-26 11:44:00,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:04,511 INFO L124 PetriNetUnfolderBase]: 9101/24407 cut-off events. [2023-11-26 11:44:04,511 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-26 11:44:04,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38615 conditions, 24407 events. 9101/24407 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 261785 event pairs, 9100 based on Foata normal form. 0/22338 useless extension candidates. Maximal degree in co-relation 38568. Up to 14180 conditions per place. [2023-11-26 11:44:04,666 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 74 selfloop transitions, 5 changer transitions 0/310 dead transitions. [2023-11-26 11:44:04,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 310 transitions, 792 flow [2023-11-26 11:44:04,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:44:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:44:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1634 transitions. [2023-11-26 11:44:04,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7628384687208216 [2023-11-26 11:44:04,674 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1634 transitions. [2023-11-26 11:44:04,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1634 transitions. [2023-11-26 11:44:04,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:04,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1634 transitions. [2023-11-26 11:44:04,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.3333333333333) internal successors, (1634), 6 states have internal predecessors, (1634), 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) [2023-11-26 11:44:04,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:04,693 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:04,694 INFO L175 Difference]: Start difference. First operand has 329 places, 311 transitions, 636 flow. Second operand 6 states and 1634 transitions. [2023-11-26 11:44:04,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 310 transitions, 792 flow [2023-11-26 11:44:04,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 310 transitions, 782 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:44:04,706 INFO L231 Difference]: Finished difference. Result has 316 places, 310 transitions, 634 flow [2023-11-26 11:44:04,707 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=634, PETRI_PLACES=316, PETRI_TRANSITIONS=310} [2023-11-26 11:44:04,708 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -31 predicate places. [2023-11-26 11:44:04,708 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 310 transitions, 634 flow [2023-11-26 11:44:04,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 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) [2023-11-26 11:44:04,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:04,711 INFO L208 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] [2023-11-26 11:44:04,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:44:04,715 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:44:04,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:04,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1338846781, now seen corresponding path program 1 times [2023-11-26 11:44:04,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:04,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138948500] [2023-11-26 11:44:04,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:04,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:05,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:05,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138948500] [2023-11-26 11:44:05,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138948500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:05,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:05,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:05,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065196606] [2023-11-26 11:44:05,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:05,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:44:05,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:05,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:44:05,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:44:06,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 357 [2023-11-26 11:44:06,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 310 transitions, 634 flow. Second operand has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 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) [2023-11-26 11:44:06,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:06,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 357 [2023-11-26 11:44:06,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:07,312 INFO L124 PetriNetUnfolderBase]: 2101/6449 cut-off events. [2023-11-26 11:44:07,313 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-26 11:44:07,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9823 conditions, 6449 events. 2101/6449 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 58776 event pairs, 1854 based on Foata normal form. 0/5911 useless extension candidates. Maximal degree in co-relation 9763. Up to 3342 conditions per place. [2023-11-26 11:44:07,351 INFO L140 encePairwiseOnDemand]: 349/357 looper letters, 44 selfloop transitions, 7 changer transitions 0/315 dead transitions. [2023-11-26 11:44:07,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 315 transitions, 747 flow [2023-11-26 11:44:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:44:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:44:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1810 transitions. [2023-11-26 11:44:07,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8450046685340803 [2023-11-26 11:44:07,358 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1810 transitions. [2023-11-26 11:44:07,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1810 transitions. [2023-11-26 11:44:07,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:07,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1810 transitions. [2023-11-26 11:44:07,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 301.6666666666667) internal successors, (1810), 6 states have internal predecessors, (1810), 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) [2023-11-26 11:44:07,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:07,374 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:07,375 INFO L175 Difference]: Start difference. First operand has 316 places, 310 transitions, 634 flow. Second operand 6 states and 1810 transitions. [2023-11-26 11:44:07,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 315 transitions, 747 flow [2023-11-26 11:44:07,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 315 transitions, 737 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:44:07,385 INFO L231 Difference]: Finished difference. Result has 316 places, 312 transitions, 652 flow [2023-11-26 11:44:07,386 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=652, PETRI_PLACES=316, PETRI_TRANSITIONS=312} [2023-11-26 11:44:07,388 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -31 predicate places. [2023-11-26 11:44:07,388 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 312 transitions, 652 flow [2023-11-26 11:44:07,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 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) [2023-11-26 11:44:07,390 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:07,391 INFO L208 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] [2023-11-26 11:44:07,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:44:07,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:44:07,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:07,392 INFO L85 PathProgramCache]: Analyzing trace with hash 658325841, now seen corresponding path program 1 times [2023-11-26 11:44:07,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:07,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100522774] [2023-11-26 11:44:07,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:08,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:08,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100522774] [2023-11-26 11:44:08,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100522774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:08,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:08,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:08,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601191041] [2023-11-26 11:44:08,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:08,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:44:08,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:08,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:44:08,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:44:08,968 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 357 [2023-11-26 11:44:08,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 312 transitions, 652 flow. Second operand has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 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) [2023-11-26 11:44:08,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:08,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 357 [2023-11-26 11:44:08,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:10,297 INFO L124 PetriNetUnfolderBase]: 2101/6339 cut-off events. [2023-11-26 11:44:10,297 INFO L125 PetriNetUnfolderBase]: For 327/327 co-relation queries the response was YES. [2023-11-26 11:44:10,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10067 conditions, 6339 events. 2101/6339 cut-off events. For 327/327 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 56977 event pairs, 1748 based on Foata normal form. 0/5792 useless extension candidates. Maximal degree in co-relation 7027. Up to 3342 conditions per place. [2023-11-26 11:44:10,330 INFO L140 encePairwiseOnDemand]: 349/357 looper letters, 44 selfloop transitions, 7 changer transitions 0/314 dead transitions. [2023-11-26 11:44:10,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 314 transitions, 759 flow [2023-11-26 11:44:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:44:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:44:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1810 transitions. [2023-11-26 11:44:10,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8450046685340803 [2023-11-26 11:44:10,337 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1810 transitions. [2023-11-26 11:44:10,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1810 transitions. [2023-11-26 11:44:10,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:10,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1810 transitions. [2023-11-26 11:44:10,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 301.6666666666667) internal successors, (1810), 6 states have internal predecessors, (1810), 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) [2023-11-26 11:44:10,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:10,353 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:10,353 INFO L175 Difference]: Start difference. First operand has 316 places, 312 transitions, 652 flow. Second operand 6 states and 1810 transitions. [2023-11-26 11:44:10,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 314 transitions, 759 flow [2023-11-26 11:44:10,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 314 transitions, 749 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:44:10,361 INFO L231 Difference]: Finished difference. Result has 316 places, 311 transitions, 654 flow [2023-11-26 11:44:10,362 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=316, PETRI_TRANSITIONS=311} [2023-11-26 11:44:10,364 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -31 predicate places. [2023-11-26 11:44:10,365 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 311 transitions, 654 flow [2023-11-26 11:44:10,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 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) [2023-11-26 11:44:10,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:10,366 INFO L208 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] [2023-11-26 11:44:10,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:44:10,367 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:44:10,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:10,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1887403210, now seen corresponding path program 1 times [2023-11-26 11:44:10,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:10,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359060154] [2023-11-26 11:44:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:10,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:10,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:10,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359060154] [2023-11-26 11:44:10,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359060154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:10,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:10,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:44:10,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722195790] [2023-11-26 11:44:10,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:10,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:44:10,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:10,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:44:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:44:10,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 357 [2023-11-26 11:44:10,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 311 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 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) [2023-11-26 11:44:10,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:10,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 357 [2023-11-26 11:44:10,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:10,795 INFO L124 PetriNetUnfolderBase]: 55/1106 cut-off events. [2023-11-26 11:44:10,796 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2023-11-26 11:44:10,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 1106 events. 55/1106 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6101 event pairs, 36 based on Foata normal form. 0/994 useless extension candidates. Maximal degree in co-relation 448. Up to 100 conditions per place. [2023-11-26 11:44:10,805 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 15 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2023-11-26 11:44:10,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 310 transitions, 686 flow [2023-11-26 11:44:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:44:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:44:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2023-11-26 11:44:10,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9178338001867413 [2023-11-26 11:44:10,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 983 transitions. [2023-11-26 11:44:10,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 983 transitions. [2023-11-26 11:44:10,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:10,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 983 transitions. [2023-11-26 11:44:10,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 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) [2023-11-26 11:44:10,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 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) [2023-11-26 11:44:10,817 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 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) [2023-11-26 11:44:10,817 INFO L175 Difference]: Start difference. First operand has 316 places, 311 transitions, 654 flow. Second operand 3 states and 983 transitions. [2023-11-26 11:44:10,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 310 transitions, 686 flow [2023-11-26 11:44:10,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 672 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:44:10,825 INFO L231 Difference]: Finished difference. Result has 312 places, 310 transitions, 642 flow [2023-11-26 11:44:10,826 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=312, PETRI_TRANSITIONS=310} [2023-11-26 11:44:10,827 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -35 predicate places. [2023-11-26 11:44:10,827 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 310 transitions, 642 flow [2023-11-26 11:44:10,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 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) [2023-11-26 11:44:10,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:10,828 INFO L208 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] [2023-11-26 11:44:10,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:44:10,829 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:44:10,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash 89859732, now seen corresponding path program 1 times [2023-11-26 11:44:10,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:10,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539804830] [2023-11-26 11:44:10,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:10,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:10,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:10,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539804830] [2023-11-26 11:44:10,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539804830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:10,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:10,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:44:10,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991564306] [2023-11-26 11:44:10,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:10,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:44:10,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:10,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:44:10,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:44:10,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2023-11-26 11:44:10,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 310 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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) [2023-11-26 11:44:10,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:10,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2023-11-26 11:44:10,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:11,115 INFO L124 PetriNetUnfolderBase]: 42/1025 cut-off events. [2023-11-26 11:44:11,115 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 11:44:11,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 1025 events. 42/1025 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5295 event pairs, 24 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 975. Up to 76 conditions per place. [2023-11-26 11:44:11,124 INFO L140 encePairwiseOnDemand]: 353/357 looper letters, 14 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2023-11-26 11:44:11,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 311 transitions, 677 flow [2023-11-26 11:44:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:44:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:44:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2023-11-26 11:44:11,129 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9243697478991597 [2023-11-26 11:44:11,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2023-11-26 11:44:11,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2023-11-26 11:44:11,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:11,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2023-11-26 11:44:11,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 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) [2023-11-26 11:44:11,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 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) [2023-11-26 11:44:11,137 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 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) [2023-11-26 11:44:11,137 INFO L175 Difference]: Start difference. First operand has 312 places, 310 transitions, 642 flow. Second operand 3 states and 990 transitions. [2023-11-26 11:44:11,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 311 transitions, 677 flow [2023-11-26 11:44:11,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 311 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:44:11,146 INFO L231 Difference]: Finished difference. Result has 311 places, 310 transitions, 648 flow [2023-11-26 11:44:11,146 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=311, PETRI_TRANSITIONS=310} [2023-11-26 11:44:11,147 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -36 predicate places. [2023-11-26 11:44:11,148 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 310 transitions, 648 flow [2023-11-26 11:44:11,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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) [2023-11-26 11:44:11,148 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:11,149 INFO L208 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] [2023-11-26 11:44:11,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:44:11,149 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:44:11,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:11,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1396411023, now seen corresponding path program 1 times [2023-11-26 11:44:11,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:11,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776281301] [2023-11-26 11:44:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:11,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:11,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:11,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776281301] [2023-11-26 11:44:11,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776281301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:11,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:11,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:11,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069005876] [2023-11-26 11:44:11,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:11,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:44:11,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:11,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:44:11,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:44:12,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 357 [2023-11-26 11:44:12,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 310 transitions, 648 flow. Second operand has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 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) [2023-11-26 11:44:12,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:12,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 357 [2023-11-26 11:44:12,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:17,065 INFO L124 PetriNetUnfolderBase]: 11271/26575 cut-off events. [2023-11-26 11:44:17,065 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2023-11-26 11:44:17,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45256 conditions, 26575 events. 11271/26575 cut-off events. For 804/804 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 267883 event pairs, 7750 based on Foata normal form. 0/24464 useless extension candidates. Maximal degree in co-relation 43122. Up to 16083 conditions per place. [2023-11-26 11:44:17,209 INFO L140 encePairwiseOnDemand]: 326/357 looper letters, 96 selfloop transitions, 102 changer transitions 0/427 dead transitions. [2023-11-26 11:44:17,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 427 transitions, 1294 flow [2023-11-26 11:44:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:44:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:44:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1757 transitions. [2023-11-26 11:44:17,216 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8202614379084967 [2023-11-26 11:44:17,217 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1757 transitions. [2023-11-26 11:44:17,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1757 transitions. [2023-11-26 11:44:17,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:17,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1757 transitions. [2023-11-26 11:44:17,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 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) [2023-11-26 11:44:17,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:17,231 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:17,231 INFO L175 Difference]: Start difference. First operand has 311 places, 310 transitions, 648 flow. Second operand 6 states and 1757 transitions. [2023-11-26 11:44:17,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 427 transitions, 1294 flow [2023-11-26 11:44:17,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 427 transitions, 1294 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:44:17,242 INFO L231 Difference]: Finished difference. Result has 321 places, 411 transitions, 1334 flow [2023-11-26 11:44:17,243 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1334, PETRI_PLACES=321, PETRI_TRANSITIONS=411} [2023-11-26 11:44:17,244 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -26 predicate places. [2023-11-26 11:44:17,244 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 411 transitions, 1334 flow [2023-11-26 11:44:17,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 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) [2023-11-26 11:44:17,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:17,246 INFO L208 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] [2023-11-26 11:44:17,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:44:17,246 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:44:17,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1581578275, now seen corresponding path program 1 times [2023-11-26 11:44:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221121784] [2023-11-26 11:44:17,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:17,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:17,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:17,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221121784] [2023-11-26 11:44:17,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221121784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:17,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:17,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:17,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682657036] [2023-11-26 11:44:17,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:17,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:44:17,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:17,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:44:17,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:44:17,430 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 357 [2023-11-26 11:44:17,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 411 transitions, 1334 flow. Second operand has 5 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 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) [2023-11-26 11:44:17,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:17,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 357 [2023-11-26 11:44:17,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:19,861 INFO L124 PetriNetUnfolderBase]: 4435/11886 cut-off events. [2023-11-26 11:44:19,861 INFO L125 PetriNetUnfolderBase]: For 2246/2266 co-relation queries the response was YES. [2023-11-26 11:44:19,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23469 conditions, 11886 events. 4435/11886 cut-off events. For 2246/2266 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 109045 event pairs, 1661 based on Foata normal form. 1/11037 useless extension candidates. Maximal degree in co-relation 22222. Up to 4878 conditions per place. [2023-11-26 11:44:19,952 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 18 selfloop transitions, 4 changer transitions 2/416 dead transitions. [2023-11-26 11:44:19,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 416 transitions, 1392 flow [2023-11-26 11:44:19,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:44:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:44:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1945 transitions. [2023-11-26 11:44:19,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9080298786181139 [2023-11-26 11:44:19,961 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1945 transitions. [2023-11-26 11:44:19,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1945 transitions. [2023-11-26 11:44:19,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:19,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1945 transitions. [2023-11-26 11:44:19,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 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) [2023-11-26 11:44:19,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:19,978 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:19,978 INFO L175 Difference]: Start difference. First operand has 321 places, 411 transitions, 1334 flow. Second operand 6 states and 1945 transitions. [2023-11-26 11:44:19,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 416 transitions, 1392 flow [2023-11-26 11:44:20,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 416 transitions, 1376 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-11-26 11:44:20,087 INFO L231 Difference]: Finished difference. Result has 330 places, 414 transitions, 1349 flow [2023-11-26 11:44:20,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=1318, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1349, PETRI_PLACES=330, PETRI_TRANSITIONS=414} [2023-11-26 11:44:20,091 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -17 predicate places. [2023-11-26 11:44:20,091 INFO L495 AbstractCegarLoop]: Abstraction has has 330 places, 414 transitions, 1349 flow [2023-11-26 11:44:20,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 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) [2023-11-26 11:44:20,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:20,101 INFO L208 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] [2023-11-26 11:44:20,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:44:20,102 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:44:20,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:20,103 INFO L85 PathProgramCache]: Analyzing trace with hash -214462041, now seen corresponding path program 1 times [2023-11-26 11:44:20,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:20,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253634085] [2023-11-26 11:44:20,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:20,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:20,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:20,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253634085] [2023-11-26 11:44:20,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253634085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:20,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:20,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:20,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849853972] [2023-11-26 11:44:20,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:20,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:44:20,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:20,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:44:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:44:21,617 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 357 [2023-11-26 11:44:21,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 414 transitions, 1349 flow. Second operand has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 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) [2023-11-26 11:44:21,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:21,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 357 [2023-11-26 11:44:21,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:27,814 INFO L124 PetriNetUnfolderBase]: 15360/35288 cut-off events. [2023-11-26 11:44:27,815 INFO L125 PetriNetUnfolderBase]: For 12930/13347 co-relation queries the response was YES. [2023-11-26 11:44:27,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78380 conditions, 35288 events. 15360/35288 cut-off events. For 12930/13347 co-relation queries the response was YES. Maximal size of possible extension queue 820. Compared 361400 event pairs, 9127 based on Foata normal form. 0/32840 useless extension candidates. Maximal degree in co-relation 78272. Up to 20487 conditions per place. [2023-11-26 11:44:28,085 INFO L140 encePairwiseOnDemand]: 326/357 looper letters, 192 selfloop transitions, 102 changer transitions 0/531 dead transitions. [2023-11-26 11:44:28,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 531 transitions, 2379 flow [2023-11-26 11:44:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:44:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:44:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1757 transitions. [2023-11-26 11:44:28,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8202614379084967 [2023-11-26 11:44:28,092 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1757 transitions. [2023-11-26 11:44:28,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1757 transitions. [2023-11-26 11:44:28,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:28,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1757 transitions. [2023-11-26 11:44:28,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 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) [2023-11-26 11:44:28,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:28,107 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 357.0) internal successors, (2499), 7 states have internal predecessors, (2499), 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) [2023-11-26 11:44:28,107 INFO L175 Difference]: Start difference. First operand has 330 places, 414 transitions, 1349 flow. Second operand 6 states and 1757 transitions. [2023-11-26 11:44:28,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 531 transitions, 2379 flow [2023-11-26 11:44:28,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 531 transitions, 2378 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:44:28,201 INFO L231 Difference]: Finished difference. Result has 339 places, 515 transitions, 2226 flow [2023-11-26 11:44:28,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=1348, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2226, PETRI_PLACES=339, PETRI_TRANSITIONS=515} [2023-11-26 11:44:28,203 INFO L281 CegarLoopForPetriNet]: 347 programPoint places, -8 predicate places. [2023-11-26 11:44:28,203 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 515 transitions, 2226 flow [2023-11-26 11:44:28,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 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) [2023-11-26 11:44:28,204 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:28,205 INFO L208 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] [2023-11-26 11:44:28,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:44:28,205 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-26 11:44:28,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:28,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1948537468, now seen corresponding path program 1 times [2023-11-26 11:44:28,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:28,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072042008] [2023-11-26 11:44:28,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:28,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:29,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:29,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072042008] [2023-11-26 11:44:29,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072042008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:29,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:29,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:29,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933148175] [2023-11-26 11:44:29,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:29,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:44:29,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:29,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:44:29,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:44:29,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 357 [2023-11-26 11:44:29,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 515 transitions, 2226 flow. Second operand has 6 states, 6 states have (on average 265.3333333333333) internal successors, (1592), 6 states have internal predecessors, (1592), 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) [2023-11-26 11:44:29,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:29,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 357 [2023-11-26 11:44:29,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:32,610 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([775] L3904-3-->L3904-4: Formula: (= (store |v_#race_135| v_my_callbackThread1of1ForFork1_~data~0.base_11 (store (select |v_#race_135| v_my_callbackThread1of1ForFork1_~data~0.base_11) (+ v_my_callbackThread1of1ForFork1_~data~0.offset_11 25) |v_my_callbackThread1of1ForFork1_#t~nondet6_5|)) |v_#race_134|) InVars {#race=|v_#race_135|, my_callbackThread1of1ForFork1_~data~0.offset=v_my_callbackThread1of1ForFork1_~data~0.offset_11, my_callbackThread1of1ForFork1_~data~0.base=v_my_callbackThread1of1ForFork1_~data~0.base_11, my_callbackThread1of1ForFork1_#t~nondet6=|v_my_callbackThread1of1ForFork1_#t~nondet6_5|} OutVars{#race=|v_#race_134|, my_callbackThread1of1ForFork1_~data~0.offset=v_my_callbackThread1of1ForFork1_~data~0.offset_11, my_callbackThread1of1ForFork1_~data~0.base=v_my_callbackThread1of1ForFork1_~data~0.base_11, my_callbackThread1of1ForFork1_#t~nondet6=|v_my_callbackThread1of1ForFork1_#t~nondet6_5|} AuxVars[] AssignedVars[#race][179], [Black: 412#(and (<= (+ |ULTIMATE.start_main_~probe_ret~0#1| 1) 0) (<= (+ |ULTIMATE.start_my_drv_probe_#res#1| 1) 0)), Black: 410#(and (<= (+ |ULTIMATE.start_main_~probe_ret~0#1| 1) 0) (<= (+ |ULTIMATE.start_my_drv_probe_#res#1| 1) 0) (<= (+ |ULTIMATE.start_main_#t~ret25#1| 1) 0)), 418#true, 298#L3932-4true, Black: 385#true, Black: 420#(= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 28)) |ULTIMATE.start_main_#t~nondet29#1|), 387#(= |#race~my_dev~0| 0), Black: 421#(and (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 29)) |ULTIMATE.start_main_#t~nondet29#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 28)) |ULTIMATE.start_main_#t~nondet29#1|)), 109#L3904-4true, Black: 423#(and (= |ULTIMATE.start_main_#t~nondet29#1| (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 30))) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 31)) |ULTIMATE.start_main_#t~nondet29#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 29)) |ULTIMATE.start_main_#t~nondet29#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 28)) |ULTIMATE.start_main_#t~nondet29#1|)), Black: 395#(and (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 27)) |ULTIMATE.start_main_#t~nondet28#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 26)) |ULTIMATE.start_main_#t~nondet28#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 25)) |ULTIMATE.start_main_#t~nondet28#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 24)) |ULTIMATE.start_main_#t~nondet28#1|)), Black: 422#(and (= |ULTIMATE.start_main_#t~nondet29#1| (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 30))) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 29)) |ULTIMATE.start_main_#t~nondet29#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 28)) |ULTIMATE.start_main_#t~nondet29#1|)), Black: 394#(and (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 26)) |ULTIMATE.start_main_#t~nondet28#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 25)) |ULTIMATE.start_main_#t~nondet28#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 24)) |ULTIMATE.start_main_#t~nondet28#1|)), Black: 392#(= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 24)) |ULTIMATE.start_main_#t~nondet28#1|), Black: 393#(and (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 25)) |ULTIMATE.start_main_#t~nondet28#1|) (= (select (select |#race| |ULTIMATE.start_main_~#data~1#1.base|) (+ |ULTIMATE.start_main_~#data~1#1.offset| 24)) |ULTIMATE.start_main_#t~nondet28#1|)), Black: 371#(and (= 0 (select (select |#race| |ULTIMATE.start_my_drv_probe_~data#1.base|) (+ |ULTIMATE.start_my_drv_probe_~data#1.offset| 27))) (= (select (select |#race| |ULTIMATE.start_my_drv_probe_~data#1.base|) (+ 26 |ULTIMATE.start_my_drv_probe_~data#1.offset|)) 0) (= 0 (select (select |#race| |ULTIMATE.start_my_drv_probe_~data#1.base|) (+ |ULTIMATE.start_my_drv_probe_~data#1.offset| 24))) (= (select (select |#race| |ULTIMATE.start_my_drv_probe_~data#1.base|) (+ 25 |ULTIMATE.start_my_drv_probe_~data#1.offset|)) 0)), 390#true, 430#true, 327#L3905-4true, Black: 408#(and (<= (+ |ULTIMATE.start_my_drv_probe_#res#1| 1) 0) (<= (+ |ULTIMATE.start_main_#t~ret25#1| 1) 0)), Black: 404#(<= (+ |ULTIMATE.start_my_drv_probe_#res#1| 1) 0)]) [2023-11-26 11:44:32,610 INFO L294 olderBase$Statistics]: this new event has 148 ancestors and is cut-off event [2023-11-26 11:44:32,610 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2023-11-26 11:44:32,610 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2023-11-26 11:44:32,610 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event