./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.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_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/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_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/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_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/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 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:49:54,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:49:54,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:49:54,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:49:54,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:49:54,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:49:54,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:49:54,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:49:54,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:49:54,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:49:54,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:49:54,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:49:54,585 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:49:54,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:49:54,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:49:54,590 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:49:54,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:49:54,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:49:54,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:49:54,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:49:54,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:49:54,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:49:54,600 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:49:54,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:49:54,601 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:49:54,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:49:54,602 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:49:54,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:49:54,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:49:54,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:49:54,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:54,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:49:54,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:49:54,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:49:54,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:49:54,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:49:54,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:49:54,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:49:54,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:49:54,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:49:54,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:49:54,609 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_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 [2023-11-26 10:49:54,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:49:55,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:49:55,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:49:55,018 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:49:55,018 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:49:55,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2023-11-26 10:49:58,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:58,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:58,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2023-11-26 10:49:58,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/data/a43973ca1/9e86c9fb7531495ab284ac8b706a1845/FLAG24ed4edad [2023-11-26 10:49:58,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/data/a43973ca1/9e86c9fb7531495ab284ac8b706a1845 [2023-11-26 10:49:58,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:58,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:58,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:58,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:58,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:58,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:58" (1/1) ... [2023-11-26 10:49:58,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654712c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:58, skipping insertion in model container [2023-11-26 10:49:58,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:58" (1/1) ... [2023-11-26 10:49:58,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:49:59,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:59,583 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:49:59,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:59,768 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:49:59,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59 WrapperNode [2023-11-26 10:49:59,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:59,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:59,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:49:59,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:49:59,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,882 INFO L138 Inliner]: procedures = 263, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-26 10:49:59,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:59,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:49:59,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:49:59,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:49:59,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:49:59,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:49:59,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:49:59,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:49:59,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (1/1) ... [2023-11-26 10:49:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:00,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:00,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:50:00,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:50:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:50:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:50:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 10:50:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 10:50:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:50:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 10:50:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:50:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 10:50:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 10:50:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:50:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:50:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:50:00,082 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 10:50:00,328 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:50:00,331 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:50:00,869 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:50:00,920 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:50:00,920 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:50:00,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:00 BoogieIcfgContainer [2023-11-26 10:50:00,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:50:00,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:50:00,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:50:00,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:50:00,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:49:58" (1/3) ... [2023-11-26 10:50:00,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b6ffd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:00, skipping insertion in model container [2023-11-26 10:50:00,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:59" (2/3) ... [2023-11-26 10:50:00,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b6ffd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:00, skipping insertion in model container [2023-11-26 10:50:00,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:00" (3/3) ... [2023-11-26 10:50:00,942 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2023-11-26 10:50:00,954 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:50:00,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:50:00,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-26 10:50:00,972 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:50:01,112 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-26 10:50:01,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 122 transitions, 251 flow [2023-11-26 10:50:01,303 INFO L124 PetriNetUnfolderBase]: 0/121 cut-off events. [2023-11-26 10:50:01,303 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 10:50:01,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 121 events. 0/121 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 98 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-26 10:50:01,310 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 122 transitions, 251 flow [2023-11-26 10:50:01,320 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 113 transitions, 229 flow [2023-11-26 10:50:01,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:50:01,356 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;@4984a973, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:50:01,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-26 10:50:01,382 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:50:01,382 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-26 10:50:01,383 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:50:01,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:01,384 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] [2023-11-26 10:50:01,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:01,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:01,393 INFO L85 PathProgramCache]: Analyzing trace with hash 2114274210, now seen corresponding path program 1 times [2023-11-26 10:50:01,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:01,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805537293] [2023-11-26 10:50:01,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:01,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:01,700 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 10:50:01,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:01,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805537293] [2023-11-26 10:50:01,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805537293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:01,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:01,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:01,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287509729] [2023-11-26 10:50:01,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:01,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:01,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:01,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:01,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:01,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 122 [2023-11-26 10:50:01,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 113 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 10:50:01,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:01,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 122 [2023-11-26 10:50:01,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:02,089 INFO L124 PetriNetUnfolderBase]: 25/327 cut-off events. [2023-11-26 10:50:02,090 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 10:50:02,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 327 events. 25/327 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1223 event pairs, 25 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 351. Up to 65 conditions per place. [2023-11-26 10:50:02,100 INFO L140 encePairwiseOnDemand]: 119/122 looper letters, 14 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2023-11-26 10:50:02,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 112 transitions, 259 flow [2023-11-26 10:50:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2023-11-26 10:50:02,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8907103825136612 [2023-11-26 10:50:02,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 326 transitions. [2023-11-26 10:50:02,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 326 transitions. [2023-11-26 10:50:02,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:02,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 326 transitions. [2023-11-26 10:50:02,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 10:50:02,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 10:50:02,157 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 10:50:02,159 INFO L175 Difference]: Start difference. First operand has 117 places, 113 transitions, 229 flow. Second operand 3 states and 326 transitions. [2023-11-26 10:50:02,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 112 transitions, 259 flow [2023-11-26 10:50:02,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 112 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:50:02,173 INFO L231 Difference]: Finished difference. Result has 117 places, 112 transitions, 230 flow [2023-11-26 10:50:02,176 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=117, PETRI_TRANSITIONS=112} [2023-11-26 10:50:02,181 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 0 predicate places. [2023-11-26 10:50:02,181 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 112 transitions, 230 flow [2023-11-26 10:50:02,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 10:50:02,182 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:02,183 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] [2023-11-26 10:50:02,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:50:02,184 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:02,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:02,185 INFO L85 PathProgramCache]: Analyzing trace with hash -412247015, now seen corresponding path program 1 times [2023-11-26 10:50:02,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:02,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148063101] [2023-11-26 10:50:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:02,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:02,383 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 10:50:02,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:02,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148063101] [2023-11-26 10:50:02,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148063101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:02,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:02,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:02,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924542735] [2023-11-26 10:50:02,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:02,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:02,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:02,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:02,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:02,435 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 122 [2023-11-26 10:50:02,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 112 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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 10:50:02,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:02,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 122 [2023-11-26 10:50:02,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:02,559 INFO L124 PetriNetUnfolderBase]: 64/498 cut-off events. [2023-11-26 10:50:02,560 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 10:50:02,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 498 events. 64/498 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2450 event pairs, 56 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 613. Up to 144 conditions per place. [2023-11-26 10:50:02,570 INFO L140 encePairwiseOnDemand]: 114/122 looper letters, 18 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2023-11-26 10:50:02,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 108 transitions, 262 flow [2023-11-26 10:50:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2023-11-26 10:50:02,590 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8661202185792349 [2023-11-26 10:50:02,590 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 317 transitions. [2023-11-26 10:50:02,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 317 transitions. [2023-11-26 10:50:02,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:02,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 317 transitions. [2023-11-26 10:50:02,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 10:50:02,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 10:50:02,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 10:50:02,615 INFO L175 Difference]: Start difference. First operand has 117 places, 112 transitions, 230 flow. Second operand 3 states and 317 transitions. [2023-11-26 10:50:02,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 108 transitions, 262 flow [2023-11-26 10:50:02,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 108 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:02,621 INFO L231 Difference]: Finished difference. Result has 112 places, 108 transitions, 228 flow [2023-11-26 10:50:02,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=112, PETRI_TRANSITIONS=108} [2023-11-26 10:50:02,623 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -5 predicate places. [2023-11-26 10:50:02,623 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 108 transitions, 228 flow [2023-11-26 10:50:02,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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 10:50:02,624 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:02,624 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:02,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:50:02,625 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:02,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:02,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1643530143, now seen corresponding path program 1 times [2023-11-26 10:50:02,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:02,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983183971] [2023-11-26 10:50:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:02,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:03,477 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 10:50:03,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:03,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983183971] [2023-11-26 10:50:03,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983183971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:03,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:03,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:03,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710046788] [2023-11-26 10:50:03,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:03,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:03,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:03,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:03,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:03,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2023-11-26 10:50:03,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 108 transitions, 228 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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 10:50:03,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:03,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2023-11-26 10:50:03,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:03,987 INFO L124 PetriNetUnfolderBase]: 97/516 cut-off events. [2023-11-26 10:50:03,987 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:50:03,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 516 events. 97/516 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2651 event pairs, 43 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 708. Up to 175 conditions per place. [2023-11-26 10:50:03,991 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 28 selfloop transitions, 22 changer transitions 0/137 dead transitions. [2023-11-26 10:50:03,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 137 transitions, 386 flow [2023-11-26 10:50:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 651 transitions. [2023-11-26 10:50:03,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.889344262295082 [2023-11-26 10:50:03,995 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 651 transitions. [2023-11-26 10:50:03,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 651 transitions. [2023-11-26 10:50:03,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:03,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 651 transitions. [2023-11-26 10:50:03,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 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 10:50:04,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:04,003 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:04,003 INFO L175 Difference]: Start difference. First operand has 112 places, 108 transitions, 228 flow. Second operand 6 states and 651 transitions. [2023-11-26 10:50:04,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 137 transitions, 386 flow [2023-11-26 10:50:04,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 137 transitions, 386 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 10:50:04,008 INFO L231 Difference]: Finished difference. Result has 122 places, 129 transitions, 378 flow [2023-11-26 10:50:04,008 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=122, PETRI_TRANSITIONS=129} [2023-11-26 10:50:04,009 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 5 predicate places. [2023-11-26 10:50:04,009 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 129 transitions, 378 flow [2023-11-26 10:50:04,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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 10:50:04,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:04,010 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] [2023-11-26 10:50:04,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:50:04,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:04,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:04,012 INFO L85 PathProgramCache]: Analyzing trace with hash -48987195, now seen corresponding path program 1 times [2023-11-26 10:50:04,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:04,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137448181] [2023-11-26 10:50:04,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:04,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:04,388 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 10:50:04,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:04,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137448181] [2023-11-26 10:50:04,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137448181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:04,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:04,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:04,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210349407] [2023-11-26 10:50:04,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:04,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:04,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:04,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:04,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:04,617 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2023-11-26 10:50:04,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 129 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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 10:50:04,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:04,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2023-11-26 10:50:04,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:04,831 INFO L124 PetriNetUnfolderBase]: 140/697 cut-off events. [2023-11-26 10:50:04,831 INFO L125 PetriNetUnfolderBase]: For 130/149 co-relation queries the response was YES. [2023-11-26 10:50:04,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 697 events. 140/697 cut-off events. For 130/149 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4036 event pairs, 49 based on Foata normal form. 5/662 useless extension candidates. Maximal degree in co-relation 1156. Up to 239 conditions per place. [2023-11-26 10:50:04,837 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 41 selfloop transitions, 26 changer transitions 0/158 dead transitions. [2023-11-26 10:50:04,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 158 transitions, 588 flow [2023-11-26 10:50:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 651 transitions. [2023-11-26 10:50:04,840 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.889344262295082 [2023-11-26 10:50:04,840 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 651 transitions. [2023-11-26 10:50:04,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 651 transitions. [2023-11-26 10:50:04,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:04,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 651 transitions. [2023-11-26 10:50:04,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 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 10:50:04,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:04,847 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:04,847 INFO L175 Difference]: Start difference. First operand has 122 places, 129 transitions, 378 flow. Second operand 6 states and 651 transitions. [2023-11-26 10:50:04,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 158 transitions, 588 flow [2023-11-26 10:50:04,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 158 transitions, 588 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 10:50:04,860 INFO L231 Difference]: Finished difference. Result has 132 places, 150 transitions, 562 flow [2023-11-26 10:50:04,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=562, PETRI_PLACES=132, PETRI_TRANSITIONS=150} [2023-11-26 10:50:04,863 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 15 predicate places. [2023-11-26 10:50:04,863 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 150 transitions, 562 flow [2023-11-26 10:50:04,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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 10:50:04,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:04,866 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] [2023-11-26 10:50:04,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:50:04,866 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:04,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:04,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1982696841, now seen corresponding path program 1 times [2023-11-26 10:50:04,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:04,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467764534] [2023-11-26 10:50:04,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:04,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:05,368 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 10:50:05,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:05,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467764534] [2023-11-26 10:50:05,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467764534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:05,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:05,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:05,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748007919] [2023-11-26 10:50:05,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:05,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:05,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:05,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:05,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:05,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 122 [2023-11-26 10:50:05,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 150 transitions, 562 flow. Second operand has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 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 10:50:05,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:05,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 122 [2023-11-26 10:50:05,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:05,948 INFO L124 PetriNetUnfolderBase]: 318/1062 cut-off events. [2023-11-26 10:50:05,949 INFO L125 PetriNetUnfolderBase]: For 643/668 co-relation queries the response was YES. [2023-11-26 10:50:05,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2545 conditions, 1062 events. 318/1062 cut-off events. For 643/668 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6536 event pairs, 111 based on Foata normal form. 6/1001 useless extension candidates. Maximal degree in co-relation 2491. Up to 591 conditions per place. [2023-11-26 10:50:05,962 INFO L140 encePairwiseOnDemand]: 107/122 looper letters, 75 selfloop transitions, 53 changer transitions 0/205 dead transitions. [2023-11-26 10:50:05,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 205 transitions, 1062 flow [2023-11-26 10:50:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 606 transitions. [2023-11-26 10:50:05,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8278688524590164 [2023-11-26 10:50:05,972 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 606 transitions. [2023-11-26 10:50:05,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 606 transitions. [2023-11-26 10:50:05,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:05,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 606 transitions. [2023-11-26 10:50:05,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.0) internal successors, (606), 6 states have internal predecessors, (606), 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 10:50:05,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:05,979 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:05,979 INFO L175 Difference]: Start difference. First operand has 132 places, 150 transitions, 562 flow. Second operand 6 states and 606 transitions. [2023-11-26 10:50:05,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 205 transitions, 1062 flow [2023-11-26 10:50:05,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 205 transitions, 1062 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 10:50:06,000 INFO L231 Difference]: Finished difference. Result has 142 places, 197 transitions, 1044 flow [2023-11-26 10:50:06,001 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1044, PETRI_PLACES=142, PETRI_TRANSITIONS=197} [2023-11-26 10:50:06,004 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 25 predicate places. [2023-11-26 10:50:06,004 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 197 transitions, 1044 flow [2023-11-26 10:50:06,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 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 10:50:06,005 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:06,006 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] [2023-11-26 10:50:06,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:50:06,007 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:06,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:06,008 INFO L85 PathProgramCache]: Analyzing trace with hash 188652116, now seen corresponding path program 1 times [2023-11-26 10:50:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661713939] [2023-11-26 10:50:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:06,523 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 10:50:06,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661713939] [2023-11-26 10:50:06,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661713939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:06,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:06,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:06,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354861289] [2023-11-26 10:50:06,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:06,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:06,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:06,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:06,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:06,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2023-11-26 10:50:06,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 197 transitions, 1044 flow. Second operand has 6 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 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 10:50:06,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:06,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2023-11-26 10:50:06,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:07,317 INFO L124 PetriNetUnfolderBase]: 478/1446 cut-off events. [2023-11-26 10:50:07,317 INFO L125 PetriNetUnfolderBase]: For 1668/1702 co-relation queries the response was YES. [2023-11-26 10:50:07,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4123 conditions, 1446 events. 478/1446 cut-off events. For 1668/1702 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9143 event pairs, 132 based on Foata normal form. 3/1389 useless extension candidates. Maximal degree in co-relation 4066. Up to 813 conditions per place. [2023-11-26 10:50:07,338 INFO L140 encePairwiseOnDemand]: 103/122 looper letters, 111 selfloop transitions, 83 changer transitions 0/274 dead transitions. [2023-11-26 10:50:07,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 274 transitions, 1810 flow [2023-11-26 10:50:07,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:07,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 633 transitions. [2023-11-26 10:50:07,342 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8647540983606558 [2023-11-26 10:50:07,343 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 633 transitions. [2023-11-26 10:50:07,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 633 transitions. [2023-11-26 10:50:07,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:07,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 633 transitions. [2023-11-26 10:50:07,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 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 10:50:07,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:07,352 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:07,352 INFO L175 Difference]: Start difference. First operand has 142 places, 197 transitions, 1044 flow. Second operand 6 states and 633 transitions. [2023-11-26 10:50:07,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 274 transitions, 1810 flow [2023-11-26 10:50:07,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 274 transitions, 1746 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-11-26 10:50:07,385 INFO L231 Difference]: Finished difference. Result has 152 places, 266 transitions, 1736 flow [2023-11-26 10:50:07,386 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=986, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1736, PETRI_PLACES=152, PETRI_TRANSITIONS=266} [2023-11-26 10:50:07,390 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 35 predicate places. [2023-11-26 10:50:07,391 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 266 transitions, 1736 flow [2023-11-26 10:50:07,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 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 10:50:07,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:07,392 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] [2023-11-26 10:50:07,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:50:07,392 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:07,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:07,394 INFO L85 PathProgramCache]: Analyzing trace with hash 676450760, now seen corresponding path program 1 times [2023-11-26 10:50:07,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:07,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008079236] [2023-11-26 10:50:07,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:07,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:07,571 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 10:50:07,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:07,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008079236] [2023-11-26 10:50:07,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008079236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:07,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:07,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:50:07,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560936608] [2023-11-26 10:50:07,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:07,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:07,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:07,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:07,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:07,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 122 [2023-11-26 10:50:07,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 266 transitions, 1736 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 10:50:07,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:07,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 122 [2023-11-26 10:50:07,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:07,690 INFO L124 PetriNetUnfolderBase]: 41/282 cut-off events. [2023-11-26 10:50:07,690 INFO L125 PetriNetUnfolderBase]: For 218/218 co-relation queries the response was YES. [2023-11-26 10:50:07,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 282 events. 41/282 cut-off events. For 218/218 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 782 event pairs, 5 based on Foata normal form. 2/272 useless extension candidates. Maximal degree in co-relation 635. Up to 59 conditions per place. [2023-11-26 10:50:07,694 INFO L140 encePairwiseOnDemand]: 118/122 looper letters, 3 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2023-11-26 10:50:07,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 126 transitions, 512 flow [2023-11-26 10:50:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2023-11-26 10:50:07,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9590163934426229 [2023-11-26 10:50:07,697 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2023-11-26 10:50:07,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2023-11-26 10:50:07,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:07,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2023-11-26 10:50:07,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 10:50:07,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 10:50:07,702 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 10:50:07,702 INFO L175 Difference]: Start difference. First operand has 152 places, 266 transitions, 1736 flow. Second operand 3 states and 351 transitions. [2023-11-26 10:50:07,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 126 transitions, 512 flow [2023-11-26 10:50:07,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 126 transitions, 386 flow, removed 33 selfloop flow, removed 30 redundant places. [2023-11-26 10:50:07,710 INFO L231 Difference]: Finished difference. Result has 121 places, 126 transitions, 380 flow [2023-11-26 10:50:07,711 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=121, PETRI_TRANSITIONS=126} [2023-11-26 10:50:07,711 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 4 predicate places. [2023-11-26 10:50:07,712 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 126 transitions, 380 flow [2023-11-26 10:50:07,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 10:50:07,712 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:07,712 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] [2023-11-26 10:50:07,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:50:07,713 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:07,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:07,713 INFO L85 PathProgramCache]: Analyzing trace with hash -608640107, now seen corresponding path program 1 times [2023-11-26 10:50:07,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:07,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982140315] [2023-11-26 10:50:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:07,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:08,194 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 10:50:08,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:08,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982140315] [2023-11-26 10:50:08,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982140315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:08,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:08,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:08,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166014411] [2023-11-26 10:50:08,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:08,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:08,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:08,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:08,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:08,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 122 [2023-11-26 10:50:08,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 126 transitions, 380 flow. Second operand has 6 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 10:50:08,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:08,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 122 [2023-11-26 10:50:08,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:08,646 INFO L124 PetriNetUnfolderBase]: 85/409 cut-off events. [2023-11-26 10:50:08,647 INFO L125 PetriNetUnfolderBase]: For 141/168 co-relation queries the response was YES. [2023-11-26 10:50:08,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 409 events. 85/409 cut-off events. For 141/168 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1593 event pairs, 5 based on Foata normal form. 0/397 useless extension candidates. Maximal degree in co-relation 873. Up to 141 conditions per place. [2023-11-26 10:50:08,650 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 39 selfloop transitions, 25 changer transitions 10/160 dead transitions. [2023-11-26 10:50:08,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 160 transitions, 682 flow [2023-11-26 10:50:08,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 638 transitions. [2023-11-26 10:50:08,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8715846994535519 [2023-11-26 10:50:08,655 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 638 transitions. [2023-11-26 10:50:08,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 638 transitions. [2023-11-26 10:50:08,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:08,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 638 transitions. [2023-11-26 10:50:08,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.33333333333333) internal successors, (638), 6 states have internal predecessors, (638), 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 10:50:08,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:08,661 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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 10:50:08,661 INFO L175 Difference]: Start difference. First operand has 121 places, 126 transitions, 380 flow. Second operand 6 states and 638 transitions. [2023-11-26 10:50:08,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 160 transitions, 682 flow [2023-11-26 10:50:08,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 160 transitions, 670 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:50:08,668 INFO L231 Difference]: Finished difference. Result has 130 places, 146 transitions, 592 flow [2023-11-26 10:50:08,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=592, PETRI_PLACES=130, PETRI_TRANSITIONS=146} [2023-11-26 10:50:08,671 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 13 predicate places. [2023-11-26 10:50:08,671 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 146 transitions, 592 flow [2023-11-26 10:50:08,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 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 10:50:08,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:08,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:08,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:50:08,673 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:08,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:08,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1171563644, now seen corresponding path program 1 times [2023-11-26 10:50:08,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:08,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144248183] [2023-11-26 10:50:08,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:08,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:09,584 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 10:50:09,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:09,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144248183] [2023-11-26 10:50:09,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144248183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:09,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:09,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 10:50:09,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312668682] [2023-11-26 10:50:09,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:09,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 10:50:09,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:09,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:50:09,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:50:10,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 122 [2023-11-26 10:50:10,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 146 transitions, 592 flow. Second operand has 11 states, 11 states have (on average 86.63636363636364) internal successors, (953), 11 states have internal predecessors, (953), 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 10:50:10,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:10,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 122 [2023-11-26 10:50:10,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:10,606 INFO L124 PetriNetUnfolderBase]: 113/550 cut-off events. [2023-11-26 10:50:10,607 INFO L125 PetriNetUnfolderBase]: For 462/462 co-relation queries the response was YES. [2023-11-26 10:50:10,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1453 conditions, 550 events. 113/550 cut-off events. For 462/462 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2344 event pairs, 7 based on Foata normal form. 9/558 useless extension candidates. Maximal degree in co-relation 1396. Up to 161 conditions per place. [2023-11-26 10:50:10,612 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 78 selfloop transitions, 29 changer transitions 5/182 dead transitions. [2023-11-26 10:50:10,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 182 transitions, 1026 flow [2023-11-26 10:50:10,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:50:10,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-26 10:50:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 905 transitions. [2023-11-26 10:50:10,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7418032786885246 [2023-11-26 10:50:10,616 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 905 transitions. [2023-11-26 10:50:10,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 905 transitions. [2023-11-26 10:50:10,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:10,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 905 transitions. [2023-11-26 10:50:10,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 90.5) internal successors, (905), 10 states have internal predecessors, (905), 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 10:50:10,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 10:50:10,624 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 10:50:10,624 INFO L175 Difference]: Start difference. First operand has 130 places, 146 transitions, 592 flow. Second operand 10 states and 905 transitions. [2023-11-26 10:50:10,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 182 transitions, 1026 flow [2023-11-26 10:50:10,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 182 transitions, 1008 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-11-26 10:50:10,634 INFO L231 Difference]: Finished difference. Result has 138 places, 143 transitions, 614 flow [2023-11-26 10:50:10,635 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=614, PETRI_PLACES=138, PETRI_TRANSITIONS=143} [2023-11-26 10:50:10,635 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 21 predicate places. [2023-11-26 10:50:10,636 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 143 transitions, 614 flow [2023-11-26 10:50:10,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 86.63636363636364) internal successors, (953), 11 states have internal predecessors, (953), 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 10:50:10,637 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:10,637 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:10,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:50:10,637 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:10,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:10,638 INFO L85 PathProgramCache]: Analyzing trace with hash 458872077, now seen corresponding path program 1 times [2023-11-26 10:50:10,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:10,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092148556] [2023-11-26 10:50:10,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:10,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:11,752 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 10:50:11,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:11,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092148556] [2023-11-26 10:50:11,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092148556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:11,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:11,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 10:50:11,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311722090] [2023-11-26 10:50:11,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:11,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 10:50:11,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:11,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:50:11,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:50:12,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-26 10:50:12,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 143 transitions, 614 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:12,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:12,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-26 10:50:12,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:12,977 INFO L124 PetriNetUnfolderBase]: 76/433 cut-off events. [2023-11-26 10:50:12,977 INFO L125 PetriNetUnfolderBase]: For 495/615 co-relation queries the response was YES. [2023-11-26 10:50:12,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1215 conditions, 433 events. 76/433 cut-off events. For 495/615 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1697 event pairs, 12 based on Foata normal form. 25/454 useless extension candidates. Maximal degree in co-relation 1154. Up to 145 conditions per place. [2023-11-26 10:50:12,982 INFO L140 encePairwiseOnDemand]: 108/122 looper letters, 41 selfloop transitions, 27 changer transitions 12/162 dead transitions. [2023-11-26 10:50:12,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 162 transitions, 868 flow [2023-11-26 10:50:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:50:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-26 10:50:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1013 transitions. [2023-11-26 10:50:12,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.830327868852459 [2023-11-26 10:50:12,987 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1013 transitions. [2023-11-26 10:50:12,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1013 transitions. [2023-11-26 10:50:12,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:12,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1013 transitions. [2023-11-26 10:50:12,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 101.3) internal successors, (1013), 10 states have internal predecessors, (1013), 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 10:50:12,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 10:50:12,995 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 10:50:12,996 INFO L175 Difference]: Start difference. First operand has 138 places, 143 transitions, 614 flow. Second operand 10 states and 1013 transitions. [2023-11-26 10:50:12,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 162 transitions, 868 flow [2023-11-26 10:50:13,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 162 transitions, 759 flow, removed 6 selfloop flow, removed 10 redundant places. [2023-11-26 10:50:13,007 INFO L231 Difference]: Finished difference. Result has 139 places, 143 transitions, 587 flow [2023-11-26 10:50:13,008 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=587, PETRI_PLACES=139, PETRI_TRANSITIONS=143} [2023-11-26 10:50:13,009 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 22 predicate places. [2023-11-26 10:50:13,010 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 143 transitions, 587 flow [2023-11-26 10:50:13,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:13,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:13,011 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:13,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 10:50:13,011 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:13,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1730639999, now seen corresponding path program 2 times [2023-11-26 10:50:13,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:13,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010826993] [2023-11-26 10:50:13,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:13,947 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 10:50:13,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:13,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010826993] [2023-11-26 10:50:13,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010826993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:13,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:13,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 10:50:13,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038248571] [2023-11-26 10:50:13,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:13,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 10:50:13,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:13,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:50:13,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:50:14,584 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-26 10:50:14,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 143 transitions, 587 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:14,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:14,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-26 10:50:14,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:14,992 INFO L124 PetriNetUnfolderBase]: 118/556 cut-off events. [2023-11-26 10:50:14,992 INFO L125 PetriNetUnfolderBase]: For 525/572 co-relation queries the response was YES. [2023-11-26 10:50:14,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 556 events. 118/556 cut-off events. For 525/572 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2424 event pairs, 7 based on Foata normal form. 30/583 useless extension candidates. Maximal degree in co-relation 1467. Up to 127 conditions per place. [2023-11-26 10:50:14,997 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 42 selfloop transitions, 5 changer transitions 80/207 dead transitions. [2023-11-26 10:50:14,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 207 transitions, 1239 flow [2023-11-26 10:50:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:50:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-26 10:50:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1013 transitions. [2023-11-26 10:50:15,001 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.830327868852459 [2023-11-26 10:50:15,001 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1013 transitions. [2023-11-26 10:50:15,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1013 transitions. [2023-11-26 10:50:15,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:15,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1013 transitions. [2023-11-26 10:50:15,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 101.3) internal successors, (1013), 10 states have internal predecessors, (1013), 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 10:50:15,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 10:50:15,010 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 10:50:15,010 INFO L175 Difference]: Start difference. First operand has 139 places, 143 transitions, 587 flow. Second operand 10 states and 1013 transitions. [2023-11-26 10:50:15,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 207 transitions, 1239 flow [2023-11-26 10:50:15,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 207 transitions, 1187 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-11-26 10:50:15,020 INFO L231 Difference]: Finished difference. Result has 144 places, 125 transitions, 478 flow [2023-11-26 10:50:15,020 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=478, PETRI_PLACES=144, PETRI_TRANSITIONS=125} [2023-11-26 10:50:15,021 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 27 predicate places. [2023-11-26 10:50:15,021 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 125 transitions, 478 flow [2023-11-26 10:50:15,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:15,022 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:15,022 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:15,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 10:50:15,023 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:15,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:15,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1607054935, now seen corresponding path program 3 times [2023-11-26 10:50:15,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:15,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548336700] [2023-11-26 10:50:15,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:15,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:15,844 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 10:50:15,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:15,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548336700] [2023-11-26 10:50:15,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548336700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:15,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:15,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 10:50:15,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564015005] [2023-11-26 10:50:15,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:15,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 10:50:15,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:15,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:50:15,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:50:16,768 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-26 10:50:16,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 125 transitions, 478 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:16,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:16,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-26 10:50:16,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:17,188 INFO L124 PetriNetUnfolderBase]: 58/355 cut-off events. [2023-11-26 10:50:17,188 INFO L125 PetriNetUnfolderBase]: For 662/670 co-relation queries the response was YES. [2023-11-26 10:50:17,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 971 conditions, 355 events. 58/355 cut-off events. For 662/670 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1177 event pairs, 11 based on Foata normal form. 18/369 useless extension candidates. Maximal degree in co-relation 903. Up to 100 conditions per place. [2023-11-26 10:50:17,191 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 37 selfloop transitions, 12 changer transitions 26/155 dead transitions. [2023-11-26 10:50:17,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 155 transitions, 823 flow [2023-11-26 10:50:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 10:50:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 10:50:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1098 transitions. [2023-11-26 10:50:17,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2023-11-26 10:50:17,196 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1098 transitions. [2023-11-26 10:50:17,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1098 transitions. [2023-11-26 10:50:17,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:17,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1098 transitions. [2023-11-26 10:50:17,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 99.81818181818181) internal successors, (1098), 11 states have internal predecessors, (1098), 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 10:50:17,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 10:50:17,205 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 10:50:17,205 INFO L175 Difference]: Start difference. First operand has 144 places, 125 transitions, 478 flow. Second operand 11 states and 1098 transitions. [2023-11-26 10:50:17,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 155 transitions, 823 flow [2023-11-26 10:50:17,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 155 transitions, 758 flow, removed 26 selfloop flow, removed 9 redundant places. [2023-11-26 10:50:17,214 INFO L231 Difference]: Finished difference. Result has 145 places, 125 transitions, 470 flow [2023-11-26 10:50:17,214 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=470, PETRI_PLACES=145, PETRI_TRANSITIONS=125} [2023-11-26 10:50:17,215 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 28 predicate places. [2023-11-26 10:50:17,215 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 125 transitions, 470 flow [2023-11-26 10:50:17,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:17,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:17,216 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:17,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 10:50:17,217 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:17,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:17,217 INFO L85 PathProgramCache]: Analyzing trace with hash 693509597, now seen corresponding path program 4 times [2023-11-26 10:50:17,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:17,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192257029] [2023-11-26 10:50:17,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:17,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:18,029 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 10:50:18,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:18,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192257029] [2023-11-26 10:50:18,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192257029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:18,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:18,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 10:50:18,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038629403] [2023-11-26 10:50:18,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:18,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 10:50:18,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:18,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:50:18,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:50:18,812 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-26 10:50:18,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 125 transitions, 470 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:18,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:18,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-26 10:50:18,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:19,147 INFO L124 PetriNetUnfolderBase]: 79/377 cut-off events. [2023-11-26 10:50:19,147 INFO L125 PetriNetUnfolderBase]: For 679/697 co-relation queries the response was YES. [2023-11-26 10:50:19,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 377 events. 79/377 cut-off events. For 679/697 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1245 event pairs, 12 based on Foata normal form. 22/394 useless extension candidates. Maximal degree in co-relation 1029. Up to 72 conditions per place. [2023-11-26 10:50:19,151 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 54 selfloop transitions, 22 changer transitions 14/170 dead transitions. [2023-11-26 10:50:19,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 170 transitions, 971 flow [2023-11-26 10:50:19,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:50:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-26 10:50:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1001 transitions. [2023-11-26 10:50:19,155 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8204918032786885 [2023-11-26 10:50:19,155 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1001 transitions. [2023-11-26 10:50:19,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1001 transitions. [2023-11-26 10:50:19,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:19,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1001 transitions. [2023-11-26 10:50:19,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 100.1) internal successors, (1001), 10 states have internal predecessors, (1001), 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 10:50:19,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 10:50:19,164 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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 10:50:19,164 INFO L175 Difference]: Start difference. First operand has 145 places, 125 transitions, 470 flow. Second operand 10 states and 1001 transitions. [2023-11-26 10:50:19,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 170 transitions, 971 flow [2023-11-26 10:50:19,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 170 transitions, 907 flow, removed 11 selfloop flow, removed 10 redundant places. [2023-11-26 10:50:19,172 INFO L231 Difference]: Finished difference. Result has 146 places, 137 transitions, 620 flow [2023-11-26 10:50:19,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=620, PETRI_PLACES=146, PETRI_TRANSITIONS=137} [2023-11-26 10:50:19,174 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 29 predicate places. [2023-11-26 10:50:19,174 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 137 transitions, 620 flow [2023-11-26 10:50:19,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:19,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:19,175 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:19,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 10:50:19,176 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-26 10:50:19,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:19,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1352050497, now seen corresponding path program 5 times [2023-11-26 10:50:19,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:19,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433778085] [2023-11-26 10:50:19,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:19,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:19,967 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 10:50:19,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:19,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433778085] [2023-11-26 10:50:19,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433778085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:19,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:19,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 10:50:19,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943549625] [2023-11-26 10:50:19,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:19,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 10:50:19,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:19,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:50:19,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:50:20,967 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-26 10:50:20,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 137 transitions, 620 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:20,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:20,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-26 10:50:20,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:21,432 INFO L124 PetriNetUnfolderBase]: 53/306 cut-off events. [2023-11-26 10:50:21,432 INFO L125 PetriNetUnfolderBase]: For 731/735 co-relation queries the response was YES. [2023-11-26 10:50:21,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 306 events. 53/306 cut-off events. For 731/735 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 960 event pairs, 3 based on Foata normal form. 12/315 useless extension candidates. Maximal degree in co-relation 877. Up to 62 conditions per place. [2023-11-26 10:50:21,435 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 0 selfloop transitions, 0 changer transitions 164/164 dead transitions. [2023-11-26 10:50:21,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 164 transitions, 965 flow [2023-11-26 10:50:21,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 10:50:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 10:50:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1097 transitions. [2023-11-26 10:50:21,440 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8174366616989568 [2023-11-26 10:50:21,440 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1097 transitions. [2023-11-26 10:50:21,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1097 transitions. [2023-11-26 10:50:21,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:21,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1097 transitions. [2023-11-26 10:50:21,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 99.72727272727273) internal successors, (1097), 11 states have internal predecessors, (1097), 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 10:50:21,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 10:50:21,451 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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 10:50:21,451 INFO L175 Difference]: Start difference. First operand has 146 places, 137 transitions, 620 flow. Second operand 11 states and 1097 transitions. [2023-11-26 10:50:21,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 164 transitions, 965 flow [2023-11-26 10:50:21,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 164 transitions, 927 flow, removed 2 selfloop flow, removed 9 redundant places. [2023-11-26 10:50:21,460 INFO L231 Difference]: Finished difference. Result has 146 places, 0 transitions, 0 flow [2023-11-26 10:50:21,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=146, PETRI_TRANSITIONS=0} [2023-11-26 10:50:21,461 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 29 predicate places. [2023-11-26 10:50:21,461 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 0 transitions, 0 flow [2023-11-26 10:50:21,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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 10:50:21,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 18 remaining) [2023-11-26 10:50:21,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2023-11-26 10:50:21,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2023-11-26 10:50:21,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2023-11-26 10:50:21,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2023-11-26 10:50:21,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2023-11-26 10:50:21,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2023-11-26 10:50:21,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 18 remaining) [2023-11-26 10:50:21,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2023-11-26 10:50:21,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2023-11-26 10:50:21,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining) [2023-11-26 10:50:21,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining) [2023-11-26 10:50:21,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2023-11-26 10:50:21,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2023-11-26 10:50:21,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2023-11-26 10:50:21,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2023-11-26 10:50:21,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2023-11-26 10:50:21,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2023-11-26 10:50:21,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 10:50:21,469 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:21,476 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 10:50:21,476 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:50:21,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:50:21 BasicIcfg [2023-11-26 10:50:21,482 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:50:21,483 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:50:21,483 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:50:21,483 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:50:21,484 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:00" (3/4) ... [2023-11-26 10:50:21,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:50:21,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-26 10:50:21,495 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 10:50:21,496 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 10:50:21,496 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 10:50:21,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:50:21,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:50:21,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:50:21,586 INFO L158 Benchmark]: Toolchain (without parser) took 22713.86ms. Allocated memory was 144.7MB in the beginning and 339.7MB in the end (delta: 195.0MB). Free memory was 107.5MB in the beginning and 173.8MB in the end (delta: -66.3MB). Peak memory consumption was 131.6MB. Max. memory is 16.1GB. [2023-11-26 10:50:21,587 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:50:21,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 895.29ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 79.0MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-26 10:50:21,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.24ms. Allocated memory is still 144.7MB. Free memory was 79.0MB in the beginning and 76.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:50:21,588 INFO L158 Benchmark]: Boogie Preprocessor took 84.44ms. Allocated memory is still 144.7MB. Free memory was 76.4MB in the beginning and 74.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:50:21,588 INFO L158 Benchmark]: RCFGBuilder took 954.37ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 74.4MB in the beginning and 160.8MB in the end (delta: -86.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-26 10:50:21,589 INFO L158 Benchmark]: TraceAbstraction took 20553.49ms. Allocated memory was 195.0MB in the beginning and 339.7MB in the end (delta: 144.7MB). Free memory was 160.8MB in the beginning and 178.0MB in the end (delta: -17.1MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. [2023-11-26 10:50:21,589 INFO L158 Benchmark]: Witness Printer took 103.02ms. Allocated memory is still 339.7MB. Free memory was 178.0MB in the beginning and 173.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:50:21,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 895.29ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 79.0MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.24ms. Allocated memory is still 144.7MB. Free memory was 79.0MB in the beginning and 76.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.44ms. Allocated memory is still 144.7MB. Free memory was 76.4MB in the beginning and 74.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 954.37ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 74.4MB in the beginning and 160.8MB in the end (delta: -86.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * TraceAbstraction took 20553.49ms. Allocated memory was 195.0MB in the beginning and 339.7MB in the end (delta: 144.7MB). Free memory was 160.8MB in the beginning and 178.0MB in the end (delta: -17.1MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. * Witness Printer took 103.02ms. Allocated memory is still 339.7MB. Free memory was 178.0MB in the beginning and 173.8MB 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: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: 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: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: 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: 939]: 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: 925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: 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, 161 locations, 18 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: 20.3s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2213 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1616 mSDsluCounter, 807 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 756 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7196 IncrementalHoareTripleChecker+Invalid, 7774 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 51 mSDtfsCounter, 7196 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1736occurred in iteration=6, InterpolantAutomatonStates: 101, 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, 8.1s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 7970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:50:21,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1337ae5-5da0-4aee-9d6c-aa9d7b349622/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