./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.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_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/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_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/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_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/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 b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:47:04,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:47:04,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:47:04,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:47:04,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:47:04,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:47:04,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:47:04,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:47:04,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:47:04,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:47:04,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:47:04,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:47:04,676 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:47:04,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:47:04,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:47:04,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:47:04,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:47:04,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:47:04,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:47:04,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:47:04,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:47:04,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:47:04,682 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:47:04,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:47:04,683 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:47:04,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:47:04,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:47:04,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:47:04,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:47:04,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:47:04,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:04,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:47:04,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:47:04,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:47:04,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:47:04,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:47:04,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:47:04,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:47:04,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:47:04,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:47:04,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:47:04,696 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_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2023-11-26 11:47:04,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:47:05,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:47:05,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:47:05,016 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:47:05,016 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:47:05,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2023-11-26 11:47:08,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:47:08,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:47:08,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2023-11-26 11:47:08,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/data/0c265f3fe/11a20062a6b04f818ec834463171951f/FLAGd7f8e72da [2023-11-26 11:47:08,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/data/0c265f3fe/11a20062a6b04f818ec834463171951f [2023-11-26 11:47:08,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:47:08,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:47:08,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:08,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:47:08,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:47:08,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:08" (1/1) ... [2023-11-26 11:47:08,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d74d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:08, skipping insertion in model container [2023-11-26 11:47:08,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:08" (1/1) ... [2023-11-26 11:47:08,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:47:09,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:09,161 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:47:09,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:09,279 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:47:09,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09 WrapperNode [2023-11-26 11:47:09,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:09,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:09,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:47:09,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:47:09,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,338 INFO L138 Inliner]: procedures = 264, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2023-11-26 11:47:09,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:09,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:47:09,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:47:09,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:47:09,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:47:09,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:47:09,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:47:09,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:47:09,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:09,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:09,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:09,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:47:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:47:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:47:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:47:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:47:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:47:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:47:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:47:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 11:47:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 11:47:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:47:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:47:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:47:09,520 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 11:47:09,754 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:47:09,757 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:47:10,063 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:47:10,090 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:47:10,090 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:47:10,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:10 BoogieIcfgContainer [2023-11-26 11:47:10,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:47:10,096 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:47:10,096 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:47:10,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:47:10,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:47:08" (1/3) ... [2023-11-26 11:47:10,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d005c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:10, skipping insertion in model container [2023-11-26 11:47:10,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09" (2/3) ... [2023-11-26 11:47:10,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d005c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:10, skipping insertion in model container [2023-11-26 11:47:10,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:10" (3/3) ... [2023-11-26 11:47:10,104 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2023-11-26 11:47:10,114 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:47:10,127 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:47:10,127 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-26 11:47:10,127 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:47:10,222 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-26 11:47:10,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 117 transitions, 241 flow [2023-11-26 11:47:10,383 INFO L124 PetriNetUnfolderBase]: 1/116 cut-off events. [2023-11-26 11:47:10,383 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:47:10,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 1/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 95 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2023-11-26 11:47:10,387 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 117 transitions, 241 flow [2023-11-26 11:47:10,394 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 99 transitions, 201 flow [2023-11-26 11:47:10,413 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:47:10,423 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;@78602964, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:47:10,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-26 11:47:10,446 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:47:10,446 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2023-11-26 11:47:10,446 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:47:10,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:10,448 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] [2023-11-26 11:47:10,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:10,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash 795128904, now seen corresponding path program 1 times [2023-11-26 11:47:10,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:10,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833143206] [2023-11-26 11:47:10,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:10,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:11,537 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 11:47:11,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:11,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833143206] [2023-11-26 11:47:11,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833143206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:11,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:11,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:47:11,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779065552] [2023-11-26 11:47:11,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:11,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:11,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:11,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:11,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:12,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2023-11-26 11:47:12,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 201 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 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 11:47:12,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:12,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2023-11-26 11:47:12,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:12,377 INFO L124 PetriNetUnfolderBase]: 96/435 cut-off events. [2023-11-26 11:47:12,378 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:47:12,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 435 events. 96/435 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2087 event pairs, 34 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 612. Up to 165 conditions per place. [2023-11-26 11:47:12,385 INFO L140 encePairwiseOnDemand]: 101/117 looper letters, 32 selfloop transitions, 23 changer transitions 0/126 dead transitions. [2023-11-26 11:47:12,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 126 transitions, 365 flow [2023-11-26 11:47:12,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:47:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:47:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 567 transitions. [2023-11-26 11:47:12,403 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8076923076923077 [2023-11-26 11:47:12,404 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 567 transitions. [2023-11-26 11:47:12,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 567 transitions. [2023-11-26 11:47:12,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:12,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 567 transitions. [2023-11-26 11:47:12,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.5) internal successors, (567), 6 states have internal predecessors, (567), 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 11:47:12,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:12,423 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:12,425 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 201 flow. Second operand 6 states and 567 transitions. [2023-11-26 11:47:12,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 126 transitions, 365 flow [2023-11-26 11:47:12,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 126 transitions, 364 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:47:12,434 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 350 flow [2023-11-26 11:47:12,436 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2023-11-26 11:47:12,439 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 8 predicate places. [2023-11-26 11:47:12,440 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 350 flow [2023-11-26 11:47:12,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 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 11:47:12,441 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:12,441 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] [2023-11-26 11:47:12,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:47:12,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:12,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:12,442 INFO L85 PathProgramCache]: Analyzing trace with hash 135077371, now seen corresponding path program 1 times [2023-11-26 11:47:12,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:12,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673486910] [2023-11-26 11:47:12,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:12,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:12,984 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 11:47:12,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:12,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673486910] [2023-11-26 11:47:12,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673486910] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:12,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:12,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:47:12,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836623145] [2023-11-26 11:47:12,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:12,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:12,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:12,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:12,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:13,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2023-11-26 11:47:13,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 96.33333333333333) internal successors, (578), 6 states have internal predecessors, (578), 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 11:47:13,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:13,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2023-11-26 11:47:13,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:13,519 INFO L124 PetriNetUnfolderBase]: 129/611 cut-off events. [2023-11-26 11:47:13,520 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2023-11-26 11:47:13,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 611 events. 129/611 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3444 event pairs, 47 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 1014. Up to 218 conditions per place. [2023-11-26 11:47:13,526 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 41 selfloop transitions, 23 changer transitions 0/146 dead transitions. [2023-11-26 11:47:13,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 146 transitions, 554 flow [2023-11-26 11:47:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:47:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:47:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 621 transitions. [2023-11-26 11:47:13,531 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8846153846153846 [2023-11-26 11:47:13,531 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 621 transitions. [2023-11-26 11:47:13,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 621 transitions. [2023-11-26 11:47:13,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:13,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 621 transitions. [2023-11-26 11:47:13,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 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 11:47:13,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:13,541 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:13,541 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 350 flow. Second operand 6 states and 621 transitions. [2023-11-26 11:47:13,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 146 transitions, 554 flow [2023-11-26 11:47:13,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 146 transitions, 554 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:47:13,556 INFO L231 Difference]: Finished difference. Result has 121 places, 138 transitions, 522 flow [2023-11-26 11:47:13,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=522, PETRI_PLACES=121, PETRI_TRANSITIONS=138} [2023-11-26 11:47:13,557 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 18 predicate places. [2023-11-26 11:47:13,557 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 138 transitions, 522 flow [2023-11-26 11:47:13,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.33333333333333) internal successors, (578), 6 states have internal predecessors, (578), 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 11:47:13,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:13,559 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] [2023-11-26 11:47:13,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:47:13,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:13,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:13,565 INFO L85 PathProgramCache]: Analyzing trace with hash 379616768, now seen corresponding path program 1 times [2023-11-26 11:47:13,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:13,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063958872] [2023-11-26 11:47:13,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:13,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:14,105 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 11:47:14,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:14,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063958872] [2023-11-26 11:47:14,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063958872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:14,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:14,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:47:14,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249905559] [2023-11-26 11:47:14,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:14,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:14,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:14,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:14,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:14,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 117 [2023-11-26 11:47:14,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 138 transitions, 522 flow. Second operand has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 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 11:47:14,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:14,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 117 [2023-11-26 11:47:14,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:14,694 INFO L124 PetriNetUnfolderBase]: 375/1175 cut-off events. [2023-11-26 11:47:14,695 INFO L125 PetriNetUnfolderBase]: For 586/607 co-relation queries the response was YES. [2023-11-26 11:47:14,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2739 conditions, 1175 events. 375/1175 cut-off events. For 586/607 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7105 event pairs, 131 based on Foata normal form. 2/1103 useless extension candidates. Maximal degree in co-relation 2673. Up to 672 conditions per place. [2023-11-26 11:47:14,707 INFO L140 encePairwiseOnDemand]: 98/117 looper letters, 79 selfloop transitions, 66 changer transitions 0/209 dead transitions. [2023-11-26 11:47:14,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 209 transitions, 1080 flow [2023-11-26 11:47:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:47:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:47:14,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 583 transitions. [2023-11-26 11:47:14,710 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8304843304843305 [2023-11-26 11:47:14,711 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 583 transitions. [2023-11-26 11:47:14,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 583 transitions. [2023-11-26 11:47:14,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:14,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 583 transitions. [2023-11-26 11:47:14,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 97.16666666666667) internal successors, (583), 6 states have internal predecessors, (583), 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 11:47:14,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:14,717 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:14,717 INFO L175 Difference]: Start difference. First operand has 121 places, 138 transitions, 522 flow. Second operand 6 states and 583 transitions. [2023-11-26 11:47:14,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 209 transitions, 1080 flow [2023-11-26 11:47:14,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 209 transitions, 1080 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:47:14,729 INFO L231 Difference]: Finished difference. Result has 131 places, 201 transitions, 1088 flow [2023-11-26 11:47:14,730 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1088, PETRI_PLACES=131, PETRI_TRANSITIONS=201} [2023-11-26 11:47:14,731 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 28 predicate places. [2023-11-26 11:47:14,731 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 201 transitions, 1088 flow [2023-11-26 11:47:14,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 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 11:47:14,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:14,732 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] [2023-11-26 11:47:14,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:47:14,733 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:14,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:14,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1279479825, now seen corresponding path program 1 times [2023-11-26 11:47:14,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:14,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984783884] [2023-11-26 11:47:14,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:14,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:15,146 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 11:47:15,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:15,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984783884] [2023-11-26 11:47:15,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984783884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:15,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:15,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:47:15,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458053703] [2023-11-26 11:47:15,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:15,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:15,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:15,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:15,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:15,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2023-11-26 11:47:15,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 201 transitions, 1088 flow. Second operand has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 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 11:47:15,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:15,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2023-11-26 11:47:15,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:15,758 INFO L124 PetriNetUnfolderBase]: 440/1354 cut-off events. [2023-11-26 11:47:15,759 INFO L125 PetriNetUnfolderBase]: For 1641/1681 co-relation queries the response was YES. [2023-11-26 11:47:15,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3997 conditions, 1354 events. 440/1354 cut-off events. For 1641/1681 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 8581 event pairs, 108 based on Foata normal form. 6/1309 useless extension candidates. Maximal degree in co-relation 3923. Up to 762 conditions per place. [2023-11-26 11:47:15,773 INFO L140 encePairwiseOnDemand]: 102/117 looper letters, 131 selfloop transitions, 67 changer transitions 0/262 dead transitions. [2023-11-26 11:47:15,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 262 transitions, 1838 flow [2023-11-26 11:47:15,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:47:15,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:47:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 539 transitions. [2023-11-26 11:47:15,776 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7678062678062678 [2023-11-26 11:47:15,777 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 539 transitions. [2023-11-26 11:47:15,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 539 transitions. [2023-11-26 11:47:15,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:15,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 539 transitions. [2023-11-26 11:47:15,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 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 11:47:15,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:15,782 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:15,782 INFO L175 Difference]: Start difference. First operand has 131 places, 201 transitions, 1088 flow. Second operand 6 states and 539 transitions. [2023-11-26 11:47:15,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 262 transitions, 1838 flow [2023-11-26 11:47:15,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 262 transitions, 1782 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-11-26 11:47:15,804 INFO L231 Difference]: Finished difference. Result has 141 places, 254 transitions, 1692 flow [2023-11-26 11:47:15,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1692, PETRI_PLACES=141, PETRI_TRANSITIONS=254} [2023-11-26 11:47:15,805 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 38 predicate places. [2023-11-26 11:47:15,805 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 254 transitions, 1692 flow [2023-11-26 11:47:15,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 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 11:47:15,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:15,812 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] [2023-11-26 11:47:15,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:47:15,812 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:15,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:15,813 INFO L85 PathProgramCache]: Analyzing trace with hash 132353764, now seen corresponding path program 1 times [2023-11-26 11:47:15,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:15,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913620434] [2023-11-26 11:47:15,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:15,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:15,928 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 11:47:15,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:15,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913620434] [2023-11-26 11:47:15,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913620434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:15,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:15,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:47:15,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670635956] [2023-11-26 11:47:15,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:15,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:15,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:15,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:15,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:15,944 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 117 [2023-11-26 11:47:15,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 254 transitions, 1692 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 11:47:15,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:15,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 117 [2023-11-26 11:47:15,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:16,005 INFO L124 PetriNetUnfolderBase]: 40/244 cut-off events. [2023-11-26 11:47:16,005 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2023-11-26 11:47:16,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 244 events. 40/244 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 667 event pairs, 4 based on Foata normal form. 2/235 useless extension candidates. Maximal degree in co-relation 543. Up to 62 conditions per place. [2023-11-26 11:47:16,008 INFO L140 encePairwiseOnDemand]: 113/117 looper letters, 2 selfloop transitions, 4 changer transitions 0/121 dead transitions. [2023-11-26 11:47:16,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 121 transitions, 532 flow [2023-11-26 11:47:16,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2023-11-26 11:47:16,010 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9629629629629629 [2023-11-26 11:47:16,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 338 transitions. [2023-11-26 11:47:16,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 338 transitions. [2023-11-26 11:47:16,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:16,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 338 transitions. [2023-11-26 11:47:16,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 11:47:16,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 11:47:16,013 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 11:47:16,014 INFO L175 Difference]: Start difference. First operand has 141 places, 254 transitions, 1692 flow. Second operand 3 states and 338 transitions. [2023-11-26 11:47:16,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 121 transitions, 532 flow [2023-11-26 11:47:16,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 418 flow, removed 35 selfloop flow, removed 20 redundant places. [2023-11-26 11:47:16,021 INFO L231 Difference]: Finished difference. Result has 120 places, 121 transitions, 414 flow [2023-11-26 11:47:16,021 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=120, PETRI_TRANSITIONS=121} [2023-11-26 11:47:16,022 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 17 predicate places. [2023-11-26 11:47:16,022 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 121 transitions, 414 flow [2023-11-26 11:47:16,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 11:47:16,023 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:16,023 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] [2023-11-26 11:47:16,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:47:16,023 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:16,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:16,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1960176251, now seen corresponding path program 1 times [2023-11-26 11:47:16,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:16,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179812630] [2023-11-26 11:47:16,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:16,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:16,462 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 11:47:16,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:16,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179812630] [2023-11-26 11:47:16,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179812630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:16,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:16,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:47:16,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851957759] [2023-11-26 11:47:16,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:16,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:16,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:16,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:16,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:16,725 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 117 [2023-11-26 11:47:16,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 121 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 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 11:47:16,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:16,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 117 [2023-11-26 11:47:16,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:16,860 INFO L124 PetriNetUnfolderBase]: 85/373 cut-off events. [2023-11-26 11:47:16,860 INFO L125 PetriNetUnfolderBase]: For 166/192 co-relation queries the response was YES. [2023-11-26 11:47:16,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 373 events. 85/373 cut-off events. For 166/192 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1443 event pairs, 4 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 835. Up to 135 conditions per place. [2023-11-26 11:47:16,864 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 39 selfloop transitions, 28 changer transitions 12/155 dead transitions. [2023-11-26 11:47:16,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 155 transitions, 726 flow [2023-11-26 11:47:16,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:47:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:47:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 602 transitions. [2023-11-26 11:47:16,867 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575498575498576 [2023-11-26 11:47:16,867 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 602 transitions. [2023-11-26 11:47:16,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 602 transitions. [2023-11-26 11:47:16,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:16,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 602 transitions. [2023-11-26 11:47:16,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 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 11:47:16,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:16,873 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 11:47:16,873 INFO L175 Difference]: Start difference. First operand has 120 places, 121 transitions, 414 flow. Second operand 6 states and 602 transitions. [2023-11-26 11:47:16,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 155 transitions, 726 flow [2023-11-26 11:47:16,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 155 transitions, 714 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:47:16,880 INFO L231 Difference]: Finished difference. Result has 129 places, 139 transitions, 630 flow [2023-11-26 11:47:16,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=630, PETRI_PLACES=129, PETRI_TRANSITIONS=139} [2023-11-26 11:47:16,881 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2023-11-26 11:47:16,881 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 139 transitions, 630 flow [2023-11-26 11:47:16,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 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 11:47:16,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:16,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:16,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:47:16,883 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:16,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:16,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1956684789, now seen corresponding path program 1 times [2023-11-26 11:47:16,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:16,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037399033] [2023-11-26 11:47:16,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:17,686 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 11:47:17,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:17,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037399033] [2023-11-26 11:47:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037399033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:17,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:17,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-26 11:47:17,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284319983] [2023-11-26 11:47:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:17,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 11:47:17,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:17,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 11:47:17,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:47:18,433 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 117 [2023-11-26 11:47:18,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 139 transitions, 630 flow. Second operand has 12 states, 12 states have (on average 70.75) internal successors, (849), 12 states have internal predecessors, (849), 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 11:47:18,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:18,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 117 [2023-11-26 11:47:18,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:18,930 INFO L124 PetriNetUnfolderBase]: 128/464 cut-off events. [2023-11-26 11:47:18,931 INFO L125 PetriNetUnfolderBase]: For 413/419 co-relation queries the response was YES. [2023-11-26 11:47:18,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 464 events. 128/464 cut-off events. For 413/419 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1762 event pairs, 35 based on Foata normal form. 9/470 useless extension candidates. Maximal degree in co-relation 1311. Up to 140 conditions per place. [2023-11-26 11:47:18,935 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 102 selfloop transitions, 30 changer transitions 0/189 dead transitions. [2023-11-26 11:47:18,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 189 transitions, 1184 flow [2023-11-26 11:47:18,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:47:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 11:47:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 831 transitions. [2023-11-26 11:47:18,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6456876456876457 [2023-11-26 11:47:18,940 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 831 transitions. [2023-11-26 11:47:18,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 831 transitions. [2023-11-26 11:47:18,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:18,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 831 transitions. [2023-11-26 11:47:18,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.54545454545455) internal successors, (831), 11 states have internal predecessors, (831), 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 11:47:18,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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 11:47:18,947 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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 11:47:18,947 INFO L175 Difference]: Start difference. First operand has 129 places, 139 transitions, 630 flow. Second operand 11 states and 831 transitions. [2023-11-26 11:47:18,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 189 transitions, 1184 flow [2023-11-26 11:47:18,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 189 transitions, 1110 flow, removed 25 selfloop flow, removed 9 redundant places. [2023-11-26 11:47:18,958 INFO L231 Difference]: Finished difference. Result has 129 places, 138 transitions, 634 flow [2023-11-26 11:47:18,959 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=634, PETRI_PLACES=129, PETRI_TRANSITIONS=138} [2023-11-26 11:47:18,959 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2023-11-26 11:47:18,960 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 138 transitions, 634 flow [2023-11-26 11:47:18,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 70.75) internal successors, (849), 12 states have internal predecessors, (849), 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 11:47:18,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:18,961 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] [2023-11-26 11:47:18,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:47:18,961 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:18,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:18,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1921048529, now seen corresponding path program 1 times [2023-11-26 11:47:18,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:18,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147007308] [2023-11-26 11:47:18,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:18,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:19,801 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 11:47:19,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:19,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147007308] [2023-11-26 11:47:19,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147007308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:19,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:19,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-26 11:47:19,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930810221] [2023-11-26 11:47:19,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:19,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 11:47:19,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:19,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 11:47:19,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:47:20,821 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:20,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 138 transitions, 634 flow. Second operand has 12 states, 12 states have (on average 84.58333333333333) internal successors, (1015), 12 states have internal predecessors, (1015), 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 11:47:20,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:20,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:20,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:21,403 INFO L124 PetriNetUnfolderBase]: 148/548 cut-off events. [2023-11-26 11:47:21,404 INFO L125 PetriNetUnfolderBase]: For 755/838 co-relation queries the response was YES. [2023-11-26 11:47:21,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1703 conditions, 548 events. 148/548 cut-off events. For 755/838 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2353 event pairs, 4 based on Foata normal form. 30/574 useless extension candidates. Maximal degree in co-relation 1640. Up to 133 conditions per place. [2023-11-26 11:47:21,408 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 52 selfloop transitions, 6 changer transitions 87/217 dead transitions. [2023-11-26 11:47:21,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 217 transitions, 1444 flow [2023-11-26 11:47:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:47:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-26 11:47:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1156 transitions. [2023-11-26 11:47:21,414 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.760026298487837 [2023-11-26 11:47:21,414 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1156 transitions. [2023-11-26 11:47:21,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1156 transitions. [2023-11-26 11:47:21,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:21,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1156 transitions. [2023-11-26 11:47:21,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 88.92307692307692) internal successors, (1156), 13 states have internal predecessors, (1156), 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 11:47:21,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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 11:47:21,425 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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 11:47:21,425 INFO L175 Difference]: Start difference. First operand has 129 places, 138 transitions, 634 flow. Second operand 13 states and 1156 transitions. [2023-11-26 11:47:21,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 217 transitions, 1444 flow [2023-11-26 11:47:21,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 217 transitions, 1326 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-11-26 11:47:21,456 INFO L231 Difference]: Finished difference. Result has 136 places, 117 transitions, 467 flow [2023-11-26 11:47:21,456 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=467, PETRI_PLACES=136, PETRI_TRANSITIONS=117} [2023-11-26 11:47:21,460 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 33 predicate places. [2023-11-26 11:47:21,460 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 117 transitions, 467 flow [2023-11-26 11:47:21,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 84.58333333333333) internal successors, (1015), 12 states have internal predecessors, (1015), 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 11:47:21,461 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:21,462 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] [2023-11-26 11:47:21,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:47:21,462 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:21,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:21,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1719935341, now seen corresponding path program 2 times [2023-11-26 11:47:21,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:21,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112317261] [2023-11-26 11:47:21,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:21,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:22,404 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 11:47:22,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:22,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112317261] [2023-11-26 11:47:22,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112317261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:22,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:22,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:22,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226870255] [2023-11-26 11:47:22,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:22,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:22,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:22,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:22,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:23,660 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:23,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 117 transitions, 467 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:23,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:23,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:23,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:24,090 INFO L124 PetriNetUnfolderBase]: 61/311 cut-off events. [2023-11-26 11:47:24,091 INFO L125 PetriNetUnfolderBase]: For 442/475 co-relation queries the response was YES. [2023-11-26 11:47:24,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 311 events. 61/311 cut-off events. For 442/475 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 871 event pairs, 17 based on Foata normal form. 17/322 useless extension candidates. Maximal degree in co-relation 827. Up to 112 conditions per place. [2023-11-26 11:47:24,095 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 42 selfloop transitions, 12 changer transitions 12/138 dead transitions. [2023-11-26 11:47:24,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 138 transitions, 705 flow [2023-11-26 11:47:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:47:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 11:47:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 965 transitions. [2023-11-26 11:47:24,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7498057498057498 [2023-11-26 11:47:24,099 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 965 transitions. [2023-11-26 11:47:24,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 965 transitions. [2023-11-26 11:47:24,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:24,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 965 transitions. [2023-11-26 11:47:24,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 87.72727272727273) internal successors, (965), 11 states have internal predecessors, (965), 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 11:47:24,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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 11:47:24,109 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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 11:47:24,109 INFO L175 Difference]: Start difference. First operand has 136 places, 117 transitions, 467 flow. Second operand 11 states and 965 transitions. [2023-11-26 11:47:24,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 138 transitions, 705 flow [2023-11-26 11:47:24,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 138 transitions, 619 flow, removed 26 selfloop flow, removed 11 redundant places. [2023-11-26 11:47:24,121 INFO L231 Difference]: Finished difference. Result has 133 places, 117 transitions, 430 flow [2023-11-26 11:47:24,122 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=430, PETRI_PLACES=133, PETRI_TRANSITIONS=117} [2023-11-26 11:47:24,123 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 30 predicate places. [2023-11-26 11:47:24,123 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 117 transitions, 430 flow [2023-11-26 11:47:24,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:24,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:24,124 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] [2023-11-26 11:47:24,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:47:24,125 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:24,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1164448391, now seen corresponding path program 3 times [2023-11-26 11:47:24,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:24,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365670585] [2023-11-26 11:47:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:24,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:24,853 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 11:47:24,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:24,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365670585] [2023-11-26 11:47:24,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365670585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:24,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:24,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:24,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344828683] [2023-11-26 11:47:24,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:24,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:24,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:24,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:24,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:25,938 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:25,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 117 transitions, 430 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:25,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:25,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:25,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:26,506 INFO L124 PetriNetUnfolderBase]: 134/549 cut-off events. [2023-11-26 11:47:26,507 INFO L125 PetriNetUnfolderBase]: For 810/825 co-relation queries the response was YES. [2023-11-26 11:47:26,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1638 conditions, 549 events. 134/549 cut-off events. For 810/825 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2462 event pairs, 10 based on Foata normal form. 22/567 useless extension candidates. Maximal degree in co-relation 1572. Up to 125 conditions per place. [2023-11-26 11:47:26,512 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 96 selfloop transitions, 24 changer transitions 12/204 dead transitions. [2023-11-26 11:47:26,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 204 transitions, 1267 flow [2023-11-26 11:47:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:47:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:47:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1068 transitions. [2023-11-26 11:47:26,517 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7606837606837606 [2023-11-26 11:47:26,517 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1068 transitions. [2023-11-26 11:47:26,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1068 transitions. [2023-11-26 11:47:26,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:26,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1068 transitions. [2023-11-26 11:47:26,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 89.0) internal successors, (1068), 12 states have internal predecessors, (1068), 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 11:47:26,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:26,526 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:26,526 INFO L175 Difference]: Start difference. First operand has 133 places, 117 transitions, 430 flow. Second operand 12 states and 1068 transitions. [2023-11-26 11:47:26,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 204 transitions, 1267 flow [2023-11-26 11:47:26,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 204 transitions, 1210 flow, removed 4 selfloop flow, removed 9 redundant places. [2023-11-26 11:47:26,536 INFO L231 Difference]: Finished difference. Result has 139 places, 137 transitions, 669 flow [2023-11-26 11:47:26,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=669, PETRI_PLACES=139, PETRI_TRANSITIONS=137} [2023-11-26 11:47:26,538 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 36 predicate places. [2023-11-26 11:47:26,539 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 669 flow [2023-11-26 11:47:26,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:26,540 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:26,540 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] [2023-11-26 11:47:26,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:47:26,540 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:26,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:26,541 INFO L85 PathProgramCache]: Analyzing trace with hash 2081300845, now seen corresponding path program 4 times [2023-11-26 11:47:26,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:26,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22199452] [2023-11-26 11:47:26,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:26,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:27,336 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 11:47:27,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:27,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22199452] [2023-11-26 11:47:27,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22199452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:27,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:27,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:27,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701385813] [2023-11-26 11:47:27,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:27,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:27,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:27,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:27,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:29,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:29,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 669 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:29,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:29,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:29,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:29,602 INFO L124 PetriNetUnfolderBase]: 136/573 cut-off events. [2023-11-26 11:47:29,602 INFO L125 PetriNetUnfolderBase]: For 1373/1399 co-relation queries the response was YES. [2023-11-26 11:47:29,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1935 conditions, 573 events. 136/573 cut-off events. For 1373/1399 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2662 event pairs, 22 based on Foata normal form. 36/602 useless extension candidates. Maximal degree in co-relation 1864. Up to 223 conditions per place. [2023-11-26 11:47:29,608 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 59 selfloop transitions, 17 changer transitions 29/177 dead transitions. [2023-11-26 11:47:29,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 177 transitions, 1145 flow [2023-11-26 11:47:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:47:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-26 11:47:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2023-11-26 11:47:29,612 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7488494411571335 [2023-11-26 11:47:29,613 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1139 transitions. [2023-11-26 11:47:29,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1139 transitions. [2023-11-26 11:47:29,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:29,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1139 transitions. [2023-11-26 11:47:29,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 87.61538461538461) internal successors, (1139), 13 states have internal predecessors, (1139), 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 11:47:29,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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 11:47:29,622 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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 11:47:29,622 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 669 flow. Second operand 13 states and 1139 transitions. [2023-11-26 11:47:29,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 177 transitions, 1145 flow [2023-11-26 11:47:29,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 177 transitions, 1135 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:47:29,636 INFO L231 Difference]: Finished difference. Result has 152 places, 137 transitions, 718 flow [2023-11-26 11:47:29,637 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=718, PETRI_PLACES=152, PETRI_TRANSITIONS=137} [2023-11-26 11:47:29,637 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-26 11:47:29,638 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 137 transitions, 718 flow [2023-11-26 11:47:29,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:29,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:29,639 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] [2023-11-26 11:47:29,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:47:29,639 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:29,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:29,640 INFO L85 PathProgramCache]: Analyzing trace with hash 299557929, now seen corresponding path program 5 times [2023-11-26 11:47:29,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:29,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208676114] [2023-11-26 11:47:29,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:29,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:30,354 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 11:47:30,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:30,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208676114] [2023-11-26 11:47:30,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208676114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:30,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:30,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:30,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916930502] [2023-11-26 11:47:30,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:30,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:30,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:30,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:30,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:31,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:31,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 137 transitions, 718 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:31,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:31,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:31,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:32,096 INFO L124 PetriNetUnfolderBase]: 137/605 cut-off events. [2023-11-26 11:47:32,096 INFO L125 PetriNetUnfolderBase]: For 2010/2028 co-relation queries the response was YES. [2023-11-26 11:47:32,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2131 conditions, 605 events. 137/605 cut-off events. For 2010/2028 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2838 event pairs, 19 based on Foata normal form. 19/621 useless extension candidates. Maximal degree in co-relation 2055. Up to 178 conditions per place. [2023-11-26 11:47:32,102 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 79 selfloop transitions, 19 changer transitions 35/205 dead transitions. [2023-11-26 11:47:32,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 205 transitions, 1525 flow [2023-11-26 11:47:32,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:47:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:47:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1065 transitions. [2023-11-26 11:47:32,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7585470085470085 [2023-11-26 11:47:32,108 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1065 transitions. [2023-11-26 11:47:32,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1065 transitions. [2023-11-26 11:47:32,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:32,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1065 transitions. [2023-11-26 11:47:32,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.75) internal successors, (1065), 12 states have internal predecessors, (1065), 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 11:47:32,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:32,118 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:32,118 INFO L175 Difference]: Start difference. First operand has 152 places, 137 transitions, 718 flow. Second operand 12 states and 1065 transitions. [2023-11-26 11:47:32,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 205 transitions, 1525 flow [2023-11-26 11:47:32,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 205 transitions, 1417 flow, removed 19 selfloop flow, removed 12 redundant places. [2023-11-26 11:47:32,137 INFO L231 Difference]: Finished difference. Result has 152 places, 132 transitions, 699 flow [2023-11-26 11:47:32,137 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=699, PETRI_PLACES=152, PETRI_TRANSITIONS=132} [2023-11-26 11:47:32,138 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-26 11:47:32,139 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 132 transitions, 699 flow [2023-11-26 11:47:32,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:32,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:32,140 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] [2023-11-26 11:47:32,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:47:32,140 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:32,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:32,141 INFO L85 PathProgramCache]: Analyzing trace with hash -867202395, now seen corresponding path program 6 times [2023-11-26 11:47:32,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:32,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911718559] [2023-11-26 11:47:32,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:32,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:32,799 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 11:47:32,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:32,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911718559] [2023-11-26 11:47:32,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911718559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:32,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:32,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:32,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809845596] [2023-11-26 11:47:32,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:32,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:32,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:32,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:32,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:33,884 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:33,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 132 transitions, 699 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:33,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:33,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:33,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:34,456 INFO L124 PetriNetUnfolderBase]: 146/645 cut-off events. [2023-11-26 11:47:34,456 INFO L125 PetriNetUnfolderBase]: For 2537/2561 co-relation queries the response was YES. [2023-11-26 11:47:34,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 645 events. 146/645 cut-off events. For 2537/2561 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3224 event pairs, 28 based on Foata normal form. 20/659 useless extension candidates. Maximal degree in co-relation 2290. Up to 183 conditions per place. [2023-11-26 11:47:34,464 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 81 selfloop transitions, 27 changer transitions 12/192 dead transitions. [2023-11-26 11:47:34,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 192 transitions, 1436 flow [2023-11-26 11:47:34,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:47:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:47:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1059 transitions. [2023-11-26 11:47:34,468 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7542735042735043 [2023-11-26 11:47:34,469 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1059 transitions. [2023-11-26 11:47:34,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1059 transitions. [2023-11-26 11:47:34,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:34,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1059 transitions. [2023-11-26 11:47:34,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.25) internal successors, (1059), 12 states have internal predecessors, (1059), 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 11:47:34,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:34,477 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:34,477 INFO L175 Difference]: Start difference. First operand has 152 places, 132 transitions, 699 flow. Second operand 12 states and 1059 transitions. [2023-11-26 11:47:34,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 192 transitions, 1436 flow [2023-11-26 11:47:34,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 192 transitions, 1299 flow, removed 56 selfloop flow, removed 11 redundant places. [2023-11-26 11:47:34,501 INFO L231 Difference]: Finished difference. Result has 155 places, 149 transitions, 894 flow [2023-11-26 11:47:34,501 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=894, PETRI_PLACES=155, PETRI_TRANSITIONS=149} [2023-11-26 11:47:34,503 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 52 predicate places. [2023-11-26 11:47:34,503 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 149 transitions, 894 flow [2023-11-26 11:47:34,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:34,504 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:34,504 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] [2023-11-26 11:47:34,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:47:34,504 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:34,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:34,505 INFO L85 PathProgramCache]: Analyzing trace with hash -799777435, now seen corresponding path program 7 times [2023-11-26 11:47:34,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:34,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503815500] [2023-11-26 11:47:34,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:34,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:35,214 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 11:47:35,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:35,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503815500] [2023-11-26 11:47:35,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503815500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:35,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:35,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:35,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256235628] [2023-11-26 11:47:35,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:35,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:35,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:35,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:35,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:36,247 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:36,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 149 transitions, 894 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:36,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:36,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:36,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:36,774 INFO L124 PetriNetUnfolderBase]: 126/609 cut-off events. [2023-11-26 11:47:36,774 INFO L125 PetriNetUnfolderBase]: For 2453/2487 co-relation queries the response was YES. [2023-11-26 11:47:36,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 609 events. 126/609 cut-off events. For 2453/2487 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2975 event pairs, 26 based on Foata normal form. 15/619 useless extension candidates. Maximal degree in co-relation 2183. Up to 242 conditions per place. [2023-11-26 11:47:36,780 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 55 selfloop transitions, 8 changer transitions 53/188 dead transitions. [2023-11-26 11:47:36,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 188 transitions, 1419 flow [2023-11-26 11:47:36,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:47:36,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:47:36,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1056 transitions. [2023-11-26 11:47:36,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7521367521367521 [2023-11-26 11:47:36,785 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1056 transitions. [2023-11-26 11:47:36,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1056 transitions. [2023-11-26 11:47:36,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:36,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1056 transitions. [2023-11-26 11:47:36,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.0) internal successors, (1056), 12 states have internal predecessors, (1056), 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 11:47:36,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:36,796 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:36,796 INFO L175 Difference]: Start difference. First operand has 155 places, 149 transitions, 894 flow. Second operand 12 states and 1056 transitions. [2023-11-26 11:47:36,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 188 transitions, 1419 flow [2023-11-26 11:47:36,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 188 transitions, 1386 flow, removed 11 selfloop flow, removed 4 redundant places. [2023-11-26 11:47:36,814 INFO L231 Difference]: Finished difference. Result has 166 places, 134 transitions, 731 flow [2023-11-26 11:47:36,815 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=731, PETRI_PLACES=166, PETRI_TRANSITIONS=134} [2023-11-26 11:47:36,816 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 63 predicate places. [2023-11-26 11:47:36,816 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 134 transitions, 731 flow [2023-11-26 11:47:36,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:36,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:36,834 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] [2023-11-26 11:47:36,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:47:36,835 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:36,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:36,835 INFO L85 PathProgramCache]: Analyzing trace with hash 321300283, now seen corresponding path program 8 times [2023-11-26 11:47:36,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:36,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006740918] [2023-11-26 11:47:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:37,501 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 11:47:37,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:37,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006740918] [2023-11-26 11:47:37,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006740918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:37,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:37,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:37,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587004527] [2023-11-26 11:47:37,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:37,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:37,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:37,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:37,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:38,611 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:38,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 134 transitions, 731 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:38,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:38,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:38,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:39,065 INFO L124 PetriNetUnfolderBase]: 128/563 cut-off events. [2023-11-26 11:47:39,065 INFO L125 PetriNetUnfolderBase]: For 2577/2609 co-relation queries the response was YES. [2023-11-26 11:47:39,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 563 events. 128/563 cut-off events. For 2577/2609 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2545 event pairs, 22 based on Foata normal form. 34/591 useless extension candidates. Maximal degree in co-relation 2081. Up to 156 conditions per place. [2023-11-26 11:47:39,072 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 69 selfloop transitions, 27 changer transitions 15/183 dead transitions. [2023-11-26 11:47:39,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 183 transitions, 1400 flow [2023-11-26 11:47:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:47:39,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 11:47:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 968 transitions. [2023-11-26 11:47:39,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7521367521367521 [2023-11-26 11:47:39,076 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 968 transitions. [2023-11-26 11:47:39,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 968 transitions. [2023-11-26 11:47:39,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:39,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 968 transitions. [2023-11-26 11:47:39,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 88.0) internal successors, (968), 11 states have internal predecessors, (968), 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 11:47:39,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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 11:47:39,081 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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 11:47:39,082 INFO L175 Difference]: Start difference. First operand has 166 places, 134 transitions, 731 flow. Second operand 11 states and 968 transitions. [2023-11-26 11:47:39,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 183 transitions, 1400 flow [2023-11-26 11:47:39,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 183 transitions, 1244 flow, removed 63 selfloop flow, removed 16 redundant places. [2023-11-26 11:47:39,098 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 882 flow [2023-11-26 11:47:39,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=882, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2023-11-26 11:47:39,100 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-26 11:47:39,100 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 882 flow [2023-11-26 11:47:39,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:39,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:39,101 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] [2023-11-26 11:47:39,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:47:39,101 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:39,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:39,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1901720867, now seen corresponding path program 9 times [2023-11-26 11:47:39,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:39,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291638403] [2023-11-26 11:47:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,760 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 11:47:39,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:39,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291638403] [2023-11-26 11:47:39,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291638403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:39,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:39,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:39,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442007693] [2023-11-26 11:47:39,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:39,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:39,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:39,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:39,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:41,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:41,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 882 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:41,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:41,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:41,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:41,609 INFO L124 PetriNetUnfolderBase]: 109/490 cut-off events. [2023-11-26 11:47:41,609 INFO L125 PetriNetUnfolderBase]: For 2112/2134 co-relation queries the response was YES. [2023-11-26 11:47:41,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1996 conditions, 490 events. 109/490 cut-off events. For 2112/2134 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2312 event pairs, 14 based on Foata normal form. 23/510 useless extension candidates. Maximal degree in co-relation 1920. Up to 189 conditions per place. [2023-11-26 11:47:41,615 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 60 selfloop transitions, 22 changer transitions 11/165 dead transitions. [2023-11-26 11:47:41,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 165 transitions, 1223 flow [2023-11-26 11:47:41,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:47:41,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:47:41,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1046 transitions. [2023-11-26 11:47:41,619 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7450142450142451 [2023-11-26 11:47:41,619 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1046 transitions. [2023-11-26 11:47:41,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1046 transitions. [2023-11-26 11:47:41,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:41,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1046 transitions. [2023-11-26 11:47:41,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 87.16666666666667) internal successors, (1046), 12 states have internal predecessors, (1046), 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 11:47:41,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:41,625 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 11:47:41,626 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 882 flow. Second operand 12 states and 1046 transitions. [2023-11-26 11:47:41,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 165 transitions, 1223 flow [2023-11-26 11:47:41,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 165 transitions, 1160 flow, removed 12 selfloop flow, removed 9 redundant places. [2023-11-26 11:47:41,640 INFO L231 Difference]: Finished difference. Result has 159 places, 149 transitions, 935 flow [2023-11-26 11:47:41,641 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=935, PETRI_PLACES=159, PETRI_TRANSITIONS=149} [2023-11-26 11:47:41,641 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 56 predicate places. [2023-11-26 11:47:41,642 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 149 transitions, 935 flow [2023-11-26 11:47:41,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:41,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:41,643 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] [2023-11-26 11:47:41,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:47:41,643 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:41,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:41,644 INFO L85 PathProgramCache]: Analyzing trace with hash 885547587, now seen corresponding path program 10 times [2023-11-26 11:47:41,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:41,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720046589] [2023-11-26 11:47:41,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:41,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:42,348 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 11:47:42,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:42,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720046589] [2023-11-26 11:47:42,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720046589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:42,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:42,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:42,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958476274] [2023-11-26 11:47:42,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:42,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:42,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:42,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:42,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:43,720 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:43,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 149 transitions, 935 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:43,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:43,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:43,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:44,257 INFO L124 PetriNetUnfolderBase]: 95/463 cut-off events. [2023-11-26 11:47:44,257 INFO L125 PetriNetUnfolderBase]: For 2310/2326 co-relation queries the response was YES. [2023-11-26 11:47:44,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 463 events. 95/463 cut-off events. For 2310/2326 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2132 event pairs, 10 based on Foata normal form. 19/480 useless extension candidates. Maximal degree in co-relation 1760. Up to 152 conditions per place. [2023-11-26 11:47:44,262 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 30 selfloop transitions, 9 changer transitions 67/178 dead transitions. [2023-11-26 11:47:44,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 178 transitions, 1363 flow [2023-11-26 11:47:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:47:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-26 11:47:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2023-11-26 11:47:44,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7462195923734385 [2023-11-26 11:47:44,266 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1135 transitions. [2023-11-26 11:47:44,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1135 transitions. [2023-11-26 11:47:44,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:44,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1135 transitions. [2023-11-26 11:47:44,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 87.3076923076923) internal successors, (1135), 13 states have internal predecessors, (1135), 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 11:47:44,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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 11:47:44,273 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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 11:47:44,273 INFO L175 Difference]: Start difference. First operand has 159 places, 149 transitions, 935 flow. Second operand 13 states and 1135 transitions. [2023-11-26 11:47:44,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 178 transitions, 1363 flow [2023-11-26 11:47:44,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 178 transitions, 1327 flow, removed 7 selfloop flow, removed 6 redundant places. [2023-11-26 11:47:44,289 INFO L231 Difference]: Finished difference. Result has 166 places, 111 transitions, 495 flow [2023-11-26 11:47:44,289 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=495, PETRI_PLACES=166, PETRI_TRANSITIONS=111} [2023-11-26 11:47:44,290 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 63 predicate places. [2023-11-26 11:47:44,290 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 111 transitions, 495 flow [2023-11-26 11:47:44,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:44,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:44,291 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] [2023-11-26 11:47:44,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 11:47:44,292 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:44,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:44,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1603649235, now seen corresponding path program 11 times [2023-11-26 11:47:44,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:44,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842612332] [2023-11-26 11:47:44,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:44,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:44,905 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 11:47:44,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:44,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842612332] [2023-11-26 11:47:44,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842612332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:44,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:44,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:44,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824254135] [2023-11-26 11:47:44,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:44,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:44,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:44,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:44,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:46,200 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:46,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 111 transitions, 495 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:46,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:46,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:46,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:46,586 INFO L124 PetriNetUnfolderBase]: 47/259 cut-off events. [2023-11-26 11:47:46,586 INFO L125 PetriNetUnfolderBase]: For 1368/1376 co-relation queries the response was YES. [2023-11-26 11:47:46,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 259 events. 47/259 cut-off events. For 1368/1376 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 721 event pairs, 5 based on Foata normal form. 16/275 useless extension candidates. Maximal degree in co-relation 931. Up to 49 conditions per place. [2023-11-26 11:47:46,589 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 38 selfloop transitions, 18 changer transitions 12/140 dead transitions. [2023-11-26 11:47:46,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 140 transitions, 892 flow [2023-11-26 11:47:46,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:47:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 11:47:46,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 956 transitions. [2023-11-26 11:47:46,593 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7428127428127428 [2023-11-26 11:47:46,593 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 956 transitions. [2023-11-26 11:47:46,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 956 transitions. [2023-11-26 11:47:46,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:46,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 956 transitions. [2023-11-26 11:47:46,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 86.9090909090909) internal successors, (956), 11 states have internal predecessors, (956), 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 11:47:46,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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 11:47:46,600 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 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 11:47:46,600 INFO L175 Difference]: Start difference. First operand has 166 places, 111 transitions, 495 flow. Second operand 11 states and 956 transitions. [2023-11-26 11:47:46,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 140 transitions, 892 flow [2023-11-26 11:47:46,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 140 transitions, 688 flow, removed 53 selfloop flow, removed 29 redundant places. [2023-11-26 11:47:46,609 INFO L231 Difference]: Finished difference. Result has 139 places, 117 transitions, 488 flow [2023-11-26 11:47:46,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=488, PETRI_PLACES=139, PETRI_TRANSITIONS=117} [2023-11-26 11:47:46,610 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 36 predicate places. [2023-11-26 11:47:46,610 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 117 transitions, 488 flow [2023-11-26 11:47:46,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:46,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:46,611 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] [2023-11-26 11:47:46,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 11:47:46,612 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-26 11:47:46,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:46,612 INFO L85 PathProgramCache]: Analyzing trace with hash -2123827589, now seen corresponding path program 12 times [2023-11-26 11:47:46,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:46,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742461229] [2023-11-26 11:47:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:46,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:47,251 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 11:47:47,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:47,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742461229] [2023-11-26 11:47:47,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742461229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:47,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:47,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:47:47,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770512730] [2023-11-26 11:47:47,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:47,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:47:47,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:47,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:47:47,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:47:48,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-26 11:47:48,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 117 transitions, 488 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:48,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:48,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-26 11:47:48,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:48,948 INFO L124 PetriNetUnfolderBase]: 27/211 cut-off events. [2023-11-26 11:47:48,948 INFO L125 PetriNetUnfolderBase]: For 462/466 co-relation queries the response was YES. [2023-11-26 11:47:48,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 211 events. 27/211 cut-off events. For 462/466 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 513 event pairs, 2 based on Foata normal form. 14/224 useless extension candidates. Maximal degree in co-relation 665. Up to 41 conditions per place. [2023-11-26 11:47:48,950 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 0 selfloop transitions, 0 changer transitions 134/134 dead transitions. [2023-11-26 11:47:48,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 134 transitions, 712 flow [2023-11-26 11:47:48,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:47:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-26 11:47:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2023-11-26 11:47:48,953 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7383300460223537 [2023-11-26 11:47:48,954 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1123 transitions. [2023-11-26 11:47:48,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1123 transitions. [2023-11-26 11:47:48,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:48,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1123 transitions. [2023-11-26 11:47:48,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 86.38461538461539) internal successors, (1123), 13 states have internal predecessors, (1123), 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 11:47:48,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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 11:47:48,961 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 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 11:47:48,961 INFO L175 Difference]: Start difference. First operand has 139 places, 117 transitions, 488 flow. Second operand 13 states and 1123 transitions. [2023-11-26 11:47:48,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 134 transitions, 712 flow [2023-11-26 11:47:48,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 134 transitions, 682 flow, removed 1 selfloop flow, removed 10 redundant places. [2023-11-26 11:47:48,966 INFO L231 Difference]: Finished difference. Result has 140 places, 0 transitions, 0 flow [2023-11-26 11:47:48,967 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=140, PETRI_TRANSITIONS=0} [2023-11-26 11:47:48,967 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 37 predicate places. [2023-11-26 11:47:48,967 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 0 transitions, 0 flow [2023-11-26 11:47:48,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 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 11:47:48,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-11-26 11:47:48,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-11-26 11:47:48,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-11-26 11:47:48,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-11-26 11:47:48,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-26 11:47:48,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-11-26 11:47:48,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-11-26 11:47:48,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-11-26 11:47:48,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-11-26 11:47:48,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 11:47:48,973 INFO L445 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:48,979 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:47:48,979 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:47:48,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:47:48 BasicIcfg [2023-11-26 11:47:48,984 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:47:48,985 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:47:48,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:47:48,985 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:47:48,986 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:10" (3/4) ... [2023-11-26 11:47:48,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:47:48,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-26 11:47:48,995 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 11:47:48,996 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:47:48,996 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:47:49,096 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:47:49,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:47:49,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:47:49,097 INFO L158 Benchmark]: Toolchain (without parser) took 40540.11ms. Allocated memory was 136.3MB in the beginning and 488.6MB in the end (delta: 352.3MB). Free memory was 88.6MB in the beginning and 360.6MB in the end (delta: -272.0MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2023-11-26 11:47:49,098 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:49,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.24ms. Allocated memory is still 136.3MB. Free memory was 88.6MB in the beginning and 60.2MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 11:47:49,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.25ms. Allocated memory is still 136.3MB. Free memory was 60.2MB in the beginning and 57.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:49,099 INFO L158 Benchmark]: Boogie Preprocessor took 37.44ms. Allocated memory is still 136.3MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:49,099 INFO L158 Benchmark]: RCFGBuilder took 715.33ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 55.6MB in the beginning and 148.5MB in the end (delta: -92.9MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:49,100 INFO L158 Benchmark]: TraceAbstraction took 38888.60ms. Allocated memory was 190.8MB in the beginning and 488.6MB in the end (delta: 297.8MB). Free memory was 147.3MB in the beginning and 364.8MB in the end (delta: -217.5MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2023-11-26 11:47:49,100 INFO L158 Benchmark]: Witness Printer took 112.05ms. Allocated memory is still 488.6MB. Free memory was 364.8MB in the beginning and 360.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:47:49,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.24ms. Allocated memory is still 136.3MB. Free memory was 88.6MB in the beginning and 60.2MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.25ms. Allocated memory is still 136.3MB. Free memory was 60.2MB in the beginning and 57.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.44ms. Allocated memory is still 136.3MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.33ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 55.6MB in the beginning and 148.5MB in the end (delta: -92.9MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 38888.60ms. Allocated memory was 190.8MB in the beginning and 488.6MB in the end (delta: 297.8MB). Free memory was 147.3MB in the beginning and 364.8MB in the end (delta: -217.5MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. * Witness Printer took 112.05ms. Allocated memory is still 488.6MB. Free memory was 364.8MB in the beginning and 360.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 146 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 38.7s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6257 SdHoareTripleChecker+Valid, 19.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5042 mSDsluCounter, 5204 SdHoareTripleChecker+Invalid, 16.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4912 mSDsCounter, 1583 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23956 IncrementalHoareTripleChecker+Invalid, 25539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1583 mSolverCounterUnsat, 292 mSDtfsCounter, 23956 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 279 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1692occurred in iteration=4, InterpolantAutomatonStates: 189, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 1393 NumberOfCodeBlocks, 1393 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1374 ConstructedInterpolants, 0 QuantifiedInterpolants, 10882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:47:49,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a03d3-0e6d-406b-87b1-068fcfc3fdf7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE