./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd --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 446ad788bb04ab307771e8b8b2d959cead97e99c160d020f0d1d03b043f9ed25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:10:08,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:10:08,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:10:08,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:10:08,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:10:08,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:10:08,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:10:08,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:10:08,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:10:08,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:10:08,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:10:08,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:10:08,574 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:10:08,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:10:08,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:10:08,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:10:08,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:10:08,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:10:08,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:10:08,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:10:08,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:10:08,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:10:08,575 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:10:08,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:10:08,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:10:08,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:10:08,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:10:08,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:10:08,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:10:08,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:10:08,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:10:08,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:10:08,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:10:08,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:10:08,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:10:08,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:10:08,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:10:08,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:10:08,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:10:08,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:10:08,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:10:08,578 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd 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 -> 446ad788bb04ab307771e8b8b2d959cead97e99c160d020f0d1d03b043f9ed25 [2024-11-13 15:10:08,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:10:08,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:10:08,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:10:08,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:10:08,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:10:08,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter.i Unable to find full path for "g++" [2024-11-13 15:10:10,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:10:11,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:10:11,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter.i [2024-11-13 15:10:11,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/data/811f33754/d10cc6963d9d4f0a80f8bd651a229945/FLAG402efb859 [2024-11-13 15:10:11,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/data/811f33754/d10cc6963d9d4f0a80f8bd651a229945 [2024-11-13 15:10:11,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:10:11,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:10:11,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:10:11,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:10:11,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:10:11,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba4994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11, skipping insertion in model container [2024-11-13 15:10:11,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:10:11,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:10:11,715 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:10:11,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:10:11,840 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:10:11,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11 WrapperNode [2024-11-13 15:10:11,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:10:11,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:10:11,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:10:11,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:10:11,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,922 INFO L138 Inliner]: procedures = 270, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 271 [2024-11-13 15:10:11,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:10:11,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:10:11,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:10:11,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:10:11,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:10:11,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:10:11,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:10:11,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:10:11,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (1/1) ... [2024-11-13 15:10:11,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:10:11,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:10:12,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:10:12,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f611666c-ee3e-46d8-ba22-1fe5ef3dd170/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:10:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:10:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:10:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:10:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:10:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:10:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:10:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:10:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:10:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2024-11-13 15:10:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2024-11-13 15:10:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:10:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-13 15:10:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-13 15:10:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:10:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:10:12,039 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:10:12,241 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:10:12,243 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:10:12,826 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:10:12,826 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:10:12,884 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:10:12,884 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 15:10:12,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:10:12 BoogieIcfgContainer [2024-11-13 15:10:12,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:10:12,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:10:12,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:10:12,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:10:12,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:10:11" (1/3) ... [2024-11-13 15:10:12,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65acef45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:10:12, skipping insertion in model container [2024-11-13 15:10:12,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:10:11" (2/3) ... [2024-11-13 15:10:12,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65acef45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:10:12, skipping insertion in model container [2024-11-13 15:10:12,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:10:12" (3/3) ... [2024-11-13 15:10:12,900 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter.i [2024-11-13 15:10:12,947 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:10:12,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-join-counter.i that has 3 procedures, 393 locations, 1 initial locations, 5 loop locations, and 34 error locations. [2024-11-13 15:10:12,949 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:10:13,102 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 15:10:13,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 468 places, 477 transitions, 968 flow [2024-11-13 15:10:13,471 INFO L124 PetriNetUnfolderBase]: 21/596 cut-off events. [2024-11-13 15:10:13,473 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:10:13,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 596 events. 21/596 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 937 event pairs, 0 based on Foata normal form. 0/511 useless extension candidates. Maximal degree in co-relation 378. Up to 6 conditions per place. [2024-11-13 15:10:13,491 INFO L82 GeneralOperation]: Start removeDead. Operand has 468 places, 477 transitions, 968 flow [2024-11-13 15:10:13,504 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 398 places, 403 transitions, 816 flow [2024-11-13 15:10:13,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:10:13,534 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14e4cb60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:10:13,538 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-13 15:10:13,567 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:10:13,569 INFO L124 PetriNetUnfolderBase]: 0/153 cut-off events. [2024-11-13 15:10:13,569 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:10:13,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:13,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:13,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:13,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:13,578 INFO L85 PathProgramCache]: Analyzing trace with hash -139085421, now seen corresponding path program 1 times [2024-11-13 15:10:13,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:13,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200850904] [2024-11-13 15:10:13,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:13,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:14,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:14,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200850904] [2024-11-13 15:10:14,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200850904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:14,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:14,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:14,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983850916] [2024-11-13 15:10:14,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:14,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:14,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:14,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:14,266 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 477 [2024-11-13 15:10:14,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:14,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:14,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 477 [2024-11-13 15:10:14,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:15,509 INFO L124 PetriNetUnfolderBase]: 617/3929 cut-off events. [2024-11-13 15:10:15,510 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-13 15:10:15,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4944 conditions, 3929 events. 617/3929 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 29635 event pairs, 482 based on Foata normal form. 127/3458 useless extension candidates. Maximal degree in co-relation 4706. Up to 985 conditions per place. [2024-11-13 15:10:15,551 INFO L140 encePairwiseOnDemand]: 467/477 looper letters, 28 selfloop transitions, 2 changer transitions 1/393 dead transitions. [2024-11-13 15:10:15,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 393 transitions, 856 flow [2024-11-13 15:10:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1328 transitions. [2024-11-13 15:10:15,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9280223619846262 [2024-11-13 15:10:15,618 INFO L175 Difference]: Start difference. First operand has 398 places, 403 transitions, 816 flow. Second operand 3 states and 1328 transitions. [2024-11-13 15:10:15,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 393 transitions, 856 flow [2024-11-13 15:10:15,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 393 transitions, 855 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:10:15,641 INFO L231 Difference]: Finished difference. Result has 395 places, 392 transitions, 797 flow [2024-11-13 15:10:15,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=395, PETRI_TRANSITIONS=392} [2024-11-13 15:10:15,653 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -3 predicate places. [2024-11-13 15:10:15,654 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 392 transitions, 797 flow [2024-11-13 15:10:15,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:15,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:15,656 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:15,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:10:15,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:15,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:15,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1300744774, now seen corresponding path program 1 times [2024-11-13 15:10:15,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:15,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289008811] [2024-11-13 15:10:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:15,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:15,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:15,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289008811] [2024-11-13 15:10:15,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289008811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:15,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:15,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:15,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658167298] [2024-11-13 15:10:15,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:15,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:15,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:15,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:15,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:15,926 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 477 [2024-11-13 15:10:15,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 392 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:15,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:15,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 477 [2024-11-13 15:10:15,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:17,075 INFO L124 PetriNetUnfolderBase]: 760/4482 cut-off events. [2024-11-13 15:10:17,076 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-13 15:10:17,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5696 conditions, 4482 events. 760/4482 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 34998 event pairs, 564 based on Foata normal form. 0/3830 useless extension candidates. Maximal degree in co-relation 5533. Up to 1180 conditions per place. [2024-11-13 15:10:17,118 INFO L140 encePairwiseOnDemand]: 469/477 looper letters, 31 selfloop transitions, 1 changer transitions 0/385 dead transitions. [2024-11-13 15:10:17,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 385 transitions, 847 flow [2024-11-13 15:10:17,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2024-11-13 15:10:17,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9077568134171907 [2024-11-13 15:10:17,124 INFO L175 Difference]: Start difference. First operand has 395 places, 392 transitions, 797 flow. Second operand 3 states and 1299 transitions. [2024-11-13 15:10:17,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 385 transitions, 847 flow [2024-11-13 15:10:17,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 843 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:10:17,133 INFO L231 Difference]: Finished difference. Result has 387 places, 385 transitions, 781 flow [2024-11-13 15:10:17,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=387, PETRI_TRANSITIONS=385} [2024-11-13 15:10:17,135 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -11 predicate places. [2024-11-13 15:10:17,135 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 385 transitions, 781 flow [2024-11-13 15:10:17,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:17,138 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:17,138 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:17,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:10:17,139 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:17,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:17,139 INFO L85 PathProgramCache]: Analyzing trace with hash 322898846, now seen corresponding path program 1 times [2024-11-13 15:10:17,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:17,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233804172] [2024-11-13 15:10:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:17,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:17,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233804172] [2024-11-13 15:10:17,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233804172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:17,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:17,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:17,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892619245] [2024-11-13 15:10:17,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:17,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:17,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:17,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:17,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:17,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 477 [2024-11-13 15:10:17,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 385 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:17,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:17,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 477 [2024-11-13 15:10:17,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:18,465 INFO L124 PetriNetUnfolderBase]: 685/4221 cut-off events. [2024-11-13 15:10:18,466 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-13 15:10:18,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5343 conditions, 4221 events. 685/4221 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 33348 event pairs, 541 based on Foata normal form. 0/3599 useless extension candidates. Maximal degree in co-relation 5180. Up to 1090 conditions per place. [2024-11-13 15:10:18,502 INFO L140 encePairwiseOnDemand]: 474/477 looper letters, 24 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-13 15:10:18,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 831 flow [2024-11-13 15:10:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1329 transitions. [2024-11-13 15:10:18,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9287211740041929 [2024-11-13 15:10:18,508 INFO L175 Difference]: Start difference. First operand has 387 places, 385 transitions, 781 flow. Second operand 3 states and 1329 transitions. [2024-11-13 15:10:18,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 831 flow [2024-11-13 15:10:18,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 384 transitions, 830 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:10:18,519 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 782 flow [2024-11-13 15:10:18,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-11-13 15:10:18,521 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -11 predicate places. [2024-11-13 15:10:18,521 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 782 flow [2024-11-13 15:10:18,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:18,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:18,523 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:18,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:10:18,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:18,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1056416456, now seen corresponding path program 1 times [2024-11-13 15:10:18,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:18,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271568928] [2024-11-13 15:10:18,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:18,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:18,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:18,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271568928] [2024-11-13 15:10:18,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271568928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:18,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:18,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:18,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756359933] [2024-11-13 15:10:18,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:18,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:18,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:18,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:18,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:18,720 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 477 [2024-11-13 15:10:18,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:18,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:18,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 477 [2024-11-13 15:10:18,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:19,898 INFO L124 PetriNetUnfolderBase]: 835/4404 cut-off events. [2024-11-13 15:10:19,902 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-13 15:10:19,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5702 conditions, 4404 events. 835/4404 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 33880 event pairs, 605 based on Foata normal form. 0/3765 useless extension candidates. Maximal degree in co-relation 5539. Up to 1258 conditions per place. [2024-11-13 15:10:19,967 INFO L140 encePairwiseOnDemand]: 474/477 looper letters, 24 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-13 15:10:19,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 832 flow [2024-11-13 15:10:19,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:19,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1326 transitions. [2024-11-13 15:10:19,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9266247379454927 [2024-11-13 15:10:19,972 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 782 flow. Second operand 3 states and 1326 transitions. [2024-11-13 15:10:19,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 832 flow [2024-11-13 15:10:19,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 383 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:10:19,979 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 780 flow [2024-11-13 15:10:19,980 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-13 15:10:19,983 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -12 predicate places. [2024-11-13 15:10:19,983 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 780 flow [2024-11-13 15:10:19,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:19,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:19,985 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:19,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:10:19,985 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:19,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:19,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1539474780, now seen corresponding path program 1 times [2024-11-13 15:10:19,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:19,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581557422] [2024-11-13 15:10:19,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:19,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:20,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:20,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581557422] [2024-11-13 15:10:20,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581557422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:20,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:20,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:20,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140966535] [2024-11-13 15:10:20,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:20,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:20,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:20,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:20,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:20,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 477 [2024-11-13 15:10:20,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:20,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:20,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 477 [2024-11-13 15:10:20,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:21,393 INFO L124 PetriNetUnfolderBase]: 991/4637 cut-off events. [2024-11-13 15:10:21,394 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-13 15:10:21,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6154 conditions, 4637 events. 991/4637 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 36342 event pairs, 713 based on Foata normal form. 0/3972 useless extension candidates. Maximal degree in co-relation 5991. Up to 1475 conditions per place. [2024-11-13 15:10:21,434 INFO L140 encePairwiseOnDemand]: 474/477 looper letters, 26 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-13 15:10:21,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 382 transitions, 834 flow [2024-11-13 15:10:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1322 transitions. [2024-11-13 15:10:21,438 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9238294898672257 [2024-11-13 15:10:21,438 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 780 flow. Second operand 3 states and 1322 transitions. [2024-11-13 15:10:21,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 382 transitions, 834 flow [2024-11-13 15:10:21,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 382 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:10:21,446 INFO L231 Difference]: Finished difference. Result has 385 places, 382 transitions, 778 flow [2024-11-13 15:10:21,447 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=385, PETRI_TRANSITIONS=382} [2024-11-13 15:10:21,449 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -13 predicate places. [2024-11-13 15:10:21,451 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 382 transitions, 778 flow [2024-11-13 15:10:21,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:21,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:21,453 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:21,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:10:21,453 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:21,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:21,454 INFO L85 PathProgramCache]: Analyzing trace with hash 2086226640, now seen corresponding path program 1 times [2024-11-13 15:10:21,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:21,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117562429] [2024-11-13 15:10:21,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:21,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:21,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:21,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117562429] [2024-11-13 15:10:21,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117562429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:21,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:21,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:21,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506956941] [2024-11-13 15:10:21,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:21,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:21,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:21,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:21,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:21,648 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 477 [2024-11-13 15:10:21,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 382 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:21,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:21,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 477 [2024-11-13 15:10:21,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:22,922 INFO L124 PetriNetUnfolderBase]: 1451/5152 cut-off events. [2024-11-13 15:10:22,922 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-13 15:10:22,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7346 conditions, 5152 events. 1451/5152 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 39212 event pairs, 507 based on Foata normal form. 0/4567 useless extension candidates. Maximal degree in co-relation 7184. Up to 2100 conditions per place. [2024-11-13 15:10:22,960 INFO L140 encePairwiseOnDemand]: 469/477 looper letters, 38 selfloop transitions, 3 changer transitions 0/390 dead transitions. [2024-11-13 15:10:22,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 390 transitions, 881 flow [2024-11-13 15:10:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1315 transitions. [2024-11-13 15:10:22,964 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9189378057302585 [2024-11-13 15:10:22,964 INFO L175 Difference]: Start difference. First operand has 385 places, 382 transitions, 778 flow. Second operand 3 states and 1315 transitions. [2024-11-13 15:10:22,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 390 transitions, 881 flow [2024-11-13 15:10:22,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 390 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:10:22,976 INFO L231 Difference]: Finished difference. Result has 381 places, 380 transitions, 785 flow [2024-11-13 15:10:22,977 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=381, PETRI_TRANSITIONS=380} [2024-11-13 15:10:22,980 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -17 predicate places. [2024-11-13 15:10:22,981 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 380 transitions, 785 flow [2024-11-13 15:10:22,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:22,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:22,982 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:22,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:10:22,982 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:22,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:22,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1142467579, now seen corresponding path program 1 times [2024-11-13 15:10:22,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:22,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843242846] [2024-11-13 15:10:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:22,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:23,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:23,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843242846] [2024-11-13 15:10:23,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843242846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:23,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:23,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:23,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284903154] [2024-11-13 15:10:23,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:23,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:23,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:23,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:23,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:23,139 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 477 [2024-11-13 15:10:23,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 380 transitions, 785 flow. Second operand has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:23,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:23,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 477 [2024-11-13 15:10:23,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:24,380 INFO L124 PetriNetUnfolderBase]: 1016/5693 cut-off events. [2024-11-13 15:10:24,380 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-13 15:10:24,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7432 conditions, 5693 events. 1016/5693 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 48632 event pairs, 681 based on Foata normal form. 0/5053 useless extension candidates. Maximal degree in co-relation 7270. Up to 1521 conditions per place. [2024-11-13 15:10:24,423 INFO L140 encePairwiseOnDemand]: 471/477 looper letters, 30 selfloop transitions, 3 changer transitions 0/386 dead transitions. [2024-11-13 15:10:24,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 386 transitions, 863 flow [2024-11-13 15:10:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1332 transitions. [2024-11-13 15:10:24,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9308176100628931 [2024-11-13 15:10:24,429 INFO L175 Difference]: Start difference. First operand has 381 places, 380 transitions, 785 flow. Second operand 3 states and 1332 transitions. [2024-11-13 15:10:24,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 386 transitions, 863 flow [2024-11-13 15:10:24,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 386 transitions, 863 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:10:24,436 INFO L231 Difference]: Finished difference. Result has 381 places, 380 transitions, 800 flow [2024-11-13 15:10:24,436 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=381, PETRI_TRANSITIONS=380} [2024-11-13 15:10:24,438 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -17 predicate places. [2024-11-13 15:10:24,438 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 380 transitions, 800 flow [2024-11-13 15:10:24,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:24,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:24,439 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:24,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:10:24,440 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:24,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:24,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1085462370, now seen corresponding path program 1 times [2024-11-13 15:10:24,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:24,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777854851] [2024-11-13 15:10:24,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:24,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:24,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:24,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777854851] [2024-11-13 15:10:24,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777854851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:24,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:24,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:24,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525243521] [2024-11-13 15:10:24,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:24,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:24,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:24,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:24,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:24,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 477 [2024-11-13 15:10:24,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 380 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:24,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:24,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 477 [2024-11-13 15:10:24,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:26,189 INFO L124 PetriNetUnfolderBase]: 1742/8121 cut-off events. [2024-11-13 15:10:26,189 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2024-11-13 15:10:26,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11191 conditions, 8121 events. 1742/8121 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 71661 event pairs, 642 based on Foata normal form. 0/7080 useless extension candidates. Maximal degree in co-relation 11028. Up to 1443 conditions per place. [2024-11-13 15:10:26,236 INFO L140 encePairwiseOnDemand]: 466/477 looper letters, 44 selfloop transitions, 8 changer transitions 0/404 dead transitions. [2024-11-13 15:10:26,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 404 transitions, 958 flow [2024-11-13 15:10:26,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1345 transitions. [2024-11-13 15:10:26,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9399021663172606 [2024-11-13 15:10:26,244 INFO L175 Difference]: Start difference. First operand has 381 places, 380 transitions, 800 flow. Second operand 3 states and 1345 transitions. [2024-11-13 15:10:26,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 404 transitions, 958 flow [2024-11-13 15:10:26,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 404 transitions, 958 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:10:26,253 INFO L231 Difference]: Finished difference. Result has 385 places, 388 transitions, 870 flow [2024-11-13 15:10:26,253 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=385, PETRI_TRANSITIONS=388} [2024-11-13 15:10:26,254 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -13 predicate places. [2024-11-13 15:10:26,254 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 388 transitions, 870 flow [2024-11-13 15:10:26,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:26,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:26,255 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:26,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:10:26,256 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting cleanerErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:26,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:26,256 INFO L85 PathProgramCache]: Analyzing trace with hash 223409682, now seen corresponding path program 1 times [2024-11-13 15:10:26,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:26,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265781730] [2024-11-13 15:10:26,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:26,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:26,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:26,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265781730] [2024-11-13 15:10:26,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265781730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:26,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:26,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:26,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991326530] [2024-11-13 15:10:26,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:26,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:26,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:26,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:26,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:26,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 477 [2024-11-13 15:10:26,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 388 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:26,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:26,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 477 [2024-11-13 15:10:26,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:28,526 INFO L124 PetriNetUnfolderBase]: 2111/10735 cut-off events. [2024-11-13 15:10:28,526 INFO L125 PetriNetUnfolderBase]: For 154/162 co-relation queries the response was YES. [2024-11-13 15:10:28,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14552 conditions, 10735 events. 2111/10735 cut-off events. For 154/162 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 102361 event pairs, 1244 based on Foata normal form. 0/9633 useless extension candidates. Maximal degree in co-relation 14387. Up to 2835 conditions per place. [2024-11-13 15:10:28,579 INFO L140 encePairwiseOnDemand]: 472/477 looper letters, 35 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2024-11-13 15:10:28,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 398 transitions, 967 flow [2024-11-13 15:10:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:28,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1327 transitions. [2024-11-13 15:10:28,584 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9273235499650594 [2024-11-13 15:10:28,584 INFO L175 Difference]: Start difference. First operand has 385 places, 388 transitions, 870 flow. Second operand 3 states and 1327 transitions. [2024-11-13 15:10:28,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 398 transitions, 967 flow [2024-11-13 15:10:28,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 398 transitions, 951 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:10:28,597 INFO L231 Difference]: Finished difference. Result has 383 places, 387 transitions, 862 flow [2024-11-13 15:10:28,599 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=383, PETRI_TRANSITIONS=387} [2024-11-13 15:10:28,600 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -15 predicate places. [2024-11-13 15:10:28,601 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 387 transitions, 862 flow [2024-11-13 15:10:28,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:28,602 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:28,602 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:28,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:10:28,603 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:28,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:28,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1600516045, now seen corresponding path program 1 times [2024-11-13 15:10:28,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:28,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859387171] [2024-11-13 15:10:28,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:28,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:28,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:28,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859387171] [2024-11-13 15:10:28,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859387171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:28,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:28,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:28,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815974820] [2024-11-13 15:10:28,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:28,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:28,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:28,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:28,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:29,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 477 [2024-11-13 15:10:29,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 387 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:29,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:29,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 477 [2024-11-13 15:10:29,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:32,899 INFO L124 PetriNetUnfolderBase]: 4584/20536 cut-off events. [2024-11-13 15:10:32,899 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2024-11-13 15:10:32,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29262 conditions, 20536 events. 4584/20536 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 220837 event pairs, 2480 based on Foata normal form. 0/18594 useless extension candidates. Maximal degree in co-relation 29096. Up to 5342 conditions per place. [2024-11-13 15:10:33,004 INFO L140 encePairwiseOnDemand]: 467/477 looper letters, 45 selfloop transitions, 9 changer transitions 0/410 dead transitions. [2024-11-13 15:10:33,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 410 transitions, 1022 flow [2024-11-13 15:10:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:33,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1345 transitions. [2024-11-13 15:10:33,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9399021663172606 [2024-11-13 15:10:33,007 INFO L175 Difference]: Start difference. First operand has 383 places, 387 transitions, 862 flow. Second operand 3 states and 1345 transitions. [2024-11-13 15:10:33,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 410 transitions, 1022 flow [2024-11-13 15:10:33,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 410 transitions, 1022 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:10:33,015 INFO L231 Difference]: Finished difference. Result has 387 places, 395 transitions, 932 flow [2024-11-13 15:10:33,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=932, PETRI_PLACES=387, PETRI_TRANSITIONS=395} [2024-11-13 15:10:33,016 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -11 predicate places. [2024-11-13 15:10:33,016 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 395 transitions, 932 flow [2024-11-13 15:10:33,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:33,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:33,018 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:33,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:10:33,018 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:33,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:33,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1061121708, now seen corresponding path program 1 times [2024-11-13 15:10:33,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:33,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015029486] [2024-11-13 15:10:33,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:33,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:33,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:33,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015029486] [2024-11-13 15:10:33,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015029486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:33,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:33,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:10:33,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806377568] [2024-11-13 15:10:33,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:33,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:10:33,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:33,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:10:33,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:10:33,393 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 477 [2024-11-13 15:10:33,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 395 transitions, 932 flow. Second operand has 5 states, 5 states have (on average 434.8) internal successors, (2174), 5 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:33,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:33,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 477 [2024-11-13 15:10:33,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:36,502 INFO L124 PetriNetUnfolderBase]: 2538/15434 cut-off events. [2024-11-13 15:10:36,502 INFO L125 PetriNetUnfolderBase]: For 495/559 co-relation queries the response was YES. [2024-11-13 15:10:36,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21758 conditions, 15434 events. 2538/15434 cut-off events. For 495/559 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 167305 event pairs, 1887 based on Foata normal form. 4/14006 useless extension candidates. Maximal degree in co-relation 21588. Up to 3397 conditions per place. [2024-11-13 15:10:36,571 INFO L140 encePairwiseOnDemand]: 468/477 looper letters, 36 selfloop transitions, 8 changer transitions 0/409 dead transitions. [2024-11-13 15:10:36,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 409 transitions, 1047 flow [2024-11-13 15:10:36,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:10:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:10:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2643 transitions. [2024-11-13 15:10:36,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9234800838574424 [2024-11-13 15:10:36,576 INFO L175 Difference]: Start difference. First operand has 387 places, 395 transitions, 932 flow. Second operand 6 states and 2643 transitions. [2024-11-13 15:10:36,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 409 transitions, 1047 flow [2024-11-13 15:10:36,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 409 transitions, 1029 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:10:36,588 INFO L231 Difference]: Finished difference. Result has 394 places, 399 transitions, 959 flow [2024-11-13 15:10:36,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=959, PETRI_PLACES=394, PETRI_TRANSITIONS=399} [2024-11-13 15:10:36,589 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -4 predicate places. [2024-11-13 15:10:36,590 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 399 transitions, 959 flow [2024-11-13 15:10:36,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 434.8) internal successors, (2174), 5 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:36,591 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:36,591 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:36,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:10:36,591 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:36,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:36,592 INFO L85 PathProgramCache]: Analyzing trace with hash -342383149, now seen corresponding path program 1 times [2024-11-13 15:10:36,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:36,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591185933] [2024-11-13 15:10:36,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:36,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:36,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:36,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591185933] [2024-11-13 15:10:36,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591185933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:36,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:36,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:10:36,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550708056] [2024-11-13 15:10:36,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:36,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:10:36,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:36,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:10:36,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:10:36,710 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 477 [2024-11-13 15:10:36,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 399 transitions, 959 flow. Second operand has 3 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:36,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:36,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 477 [2024-11-13 15:10:36,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:40,426 INFO L124 PetriNetUnfolderBase]: 3409/17760 cut-off events. [2024-11-13 15:10:40,426 INFO L125 PetriNetUnfolderBase]: For 196/227 co-relation queries the response was YES. [2024-11-13 15:10:40,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25322 conditions, 17760 events. 3409/17760 cut-off events. For 196/227 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 194812 event pairs, 1915 based on Foata normal form. 2/15837 useless extension candidates. Maximal degree in co-relation 25148. Up to 3412 conditions per place. [2024-11-13 15:10:40,515 INFO L140 encePairwiseOnDemand]: 473/477 looper letters, 29 selfloop transitions, 3 changer transitions 0/410 dead transitions. [2024-11-13 15:10:40,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 410 transitions, 1048 flow [2024-11-13 15:10:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:10:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:10:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1356 transitions. [2024-11-13 15:10:40,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9475890985324947 [2024-11-13 15:10:40,518 INFO L175 Difference]: Start difference. First operand has 394 places, 399 transitions, 959 flow. Second operand 3 states and 1356 transitions. [2024-11-13 15:10:40,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 410 transitions, 1048 flow [2024-11-13 15:10:40,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 410 transitions, 1044 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:10:40,523 INFO L231 Difference]: Finished difference. Result has 397 places, 401 transitions, 977 flow [2024-11-13 15:10:40,524 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=977, PETRI_PLACES=397, PETRI_TRANSITIONS=401} [2024-11-13 15:10:40,524 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -1 predicate places. [2024-11-13 15:10:40,524 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 401 transitions, 977 flow [2024-11-13 15:10:40,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:40,525 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:40,525 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:40,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:10:40,526 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:40,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:40,526 INFO L85 PathProgramCache]: Analyzing trace with hash 389166303, now seen corresponding path program 1 times [2024-11-13 15:10:40,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:40,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670335122] [2024-11-13 15:10:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:40,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:40,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:40,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670335122] [2024-11-13 15:10:40,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670335122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:40,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:40,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:10:40,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882166662] [2024-11-13 15:10:40,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:40,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:10:40,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:40,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:10:40,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:10:40,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 477 [2024-11-13 15:10:40,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 401 transitions, 977 flow. Second operand has 5 states, 5 states have (on average 435.0) internal successors, (2175), 5 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:40,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:40,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 477 [2024-11-13 15:10:40,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:45,064 INFO L124 PetriNetUnfolderBase]: 3864/20164 cut-off events. [2024-11-13 15:10:45,065 INFO L125 PetriNetUnfolderBase]: For 738/770 co-relation queries the response was YES. [2024-11-13 15:10:45,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29576 conditions, 20164 events. 3864/20164 cut-off events. For 738/770 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 224531 event pairs, 2584 based on Foata normal form. 6/18380 useless extension candidates. Maximal degree in co-relation 29399. Up to 5213 conditions per place. [2024-11-13 15:10:45,173 INFO L140 encePairwiseOnDemand]: 468/477 looper letters, 27 selfloop transitions, 4 changer transitions 17/413 dead transitions. [2024-11-13 15:10:45,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 413 transitions, 1092 flow [2024-11-13 15:10:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:10:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:10:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2644 transitions. [2024-11-13 15:10:45,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9238294898672257 [2024-11-13 15:10:45,177 INFO L175 Difference]: Start difference. First operand has 397 places, 401 transitions, 977 flow. Second operand 6 states and 2644 transitions. [2024-11-13 15:10:45,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 413 transitions, 1092 flow [2024-11-13 15:10:45,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 413 transitions, 1086 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:10:45,188 INFO L231 Difference]: Finished difference. Result has 402 places, 396 transitions, 958 flow [2024-11-13 15:10:45,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=966, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=958, PETRI_PLACES=402, PETRI_TRANSITIONS=396} [2024-11-13 15:10:45,189 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 4 predicate places. [2024-11-13 15:10:45,189 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 396 transitions, 958 flow [2024-11-13 15:10:45,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 435.0) internal successors, (2175), 5 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:45,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:45,190 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:45,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:10:45,190 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:45,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1657159512, now seen corresponding path program 1 times [2024-11-13 15:10:45,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:45,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275989738] [2024-11-13 15:10:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:45,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:10:46,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:46,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275989738] [2024-11-13 15:10:46,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275989738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:46,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:46,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:10:46,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806901944] [2024-11-13 15:10:46,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:46,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:10:46,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:46,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:10:46,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:10:46,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 477 [2024-11-13 15:10:46,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 396 transitions, 958 flow. Second operand has 6 states, 6 states have (on average 418.8333333333333) internal successors, (2513), 6 states have internal predecessors, (2513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:46,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:46,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 477 [2024-11-13 15:10:46,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:10:53,133 INFO L124 PetriNetUnfolderBase]: 9025/32133 cut-off events. [2024-11-13 15:10:53,133 INFO L125 PetriNetUnfolderBase]: For 2456/2579 co-relation queries the response was YES. [2024-11-13 15:10:53,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53567 conditions, 32133 events. 9025/32133 cut-off events. For 2456/2579 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 362613 event pairs, 4745 based on Foata normal form. 4/29190 useless extension candidates. Maximal degree in co-relation 53386. Up to 11087 conditions per place. [2024-11-13 15:10:53,321 INFO L140 encePairwiseOnDemand]: 463/477 looper letters, 95 selfloop transitions, 46 changer transitions 0/492 dead transitions. [2024-11-13 15:10:53,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 492 transitions, 1514 flow [2024-11-13 15:10:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:10:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:10:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2627 transitions. [2024-11-13 15:10:53,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9178895877009084 [2024-11-13 15:10:53,327 INFO L175 Difference]: Start difference. First operand has 402 places, 396 transitions, 958 flow. Second operand 6 states and 2627 transitions. [2024-11-13 15:10:53,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 492 transitions, 1514 flow [2024-11-13 15:10:53,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 492 transitions, 1486 flow, removed 7 selfloop flow, removed 9 redundant places. [2024-11-13 15:10:53,349 INFO L231 Difference]: Finished difference. Result has 398 places, 441 transitions, 1265 flow [2024-11-13 15:10:53,350 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1265, PETRI_PLACES=398, PETRI_TRANSITIONS=441} [2024-11-13 15:10:53,350 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 0 predicate places. [2024-11-13 15:10:53,350 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 441 transitions, 1265 flow [2024-11-13 15:10:53,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.8333333333333) internal successors, (2513), 6 states have internal predecessors, (2513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:53,352 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:10:53,352 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:53,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:10:53,352 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:10:53,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:53,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1973996251, now seen corresponding path program 1 times [2024-11-13 15:10:53,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:53,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730493406] [2024-11-13 15:10:53,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:53,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:10:53,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:53,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730493406] [2024-11-13 15:10:53,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730493406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:53,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:53,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:10:53,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608050993] [2024-11-13 15:10:53,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:53,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:10:53,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:53,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:10:53,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:10:54,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 477 [2024-11-13 15:10:54,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 441 transitions, 1265 flow. Second operand has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:10:54,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:10:54,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 477 [2024-11-13 15:10:54,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:11:02,659 INFO L124 PetriNetUnfolderBase]: 9762/41000 cut-off events. [2024-11-13 15:11:02,659 INFO L125 PetriNetUnfolderBase]: For 3919/6023 co-relation queries the response was YES. [2024-11-13 15:11:02,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68027 conditions, 41000 events. 9762/41000 cut-off events. For 3919/6023 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 504496 event pairs, 4609 based on Foata normal form. 257/37118 useless extension candidates. Maximal degree in co-relation 67852. Up to 10941 conditions per place. [2024-11-13 15:11:02,907 INFO L140 encePairwiseOnDemand]: 465/477 looper letters, 64 selfloop transitions, 14 changer transitions 10/490 dead transitions. [2024-11-13 15:11:02,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 490 transitions, 1544 flow [2024-11-13 15:11:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:11:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 15:11:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4348 transitions. [2024-11-13 15:11:02,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9115303983228511 [2024-11-13 15:11:02,913 INFO L175 Difference]: Start difference. First operand has 398 places, 441 transitions, 1265 flow. Second operand 10 states and 4348 transitions. [2024-11-13 15:11:02,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 490 transitions, 1544 flow [2024-11-13 15:11:02,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 490 transitions, 1544 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:11:02,936 INFO L231 Difference]: Finished difference. Result has 411 places, 448 transitions, 1332 flow [2024-11-13 15:11:02,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=1260, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1332, PETRI_PLACES=411, PETRI_TRANSITIONS=448} [2024-11-13 15:11:02,937 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 13 predicate places. [2024-11-13 15:11:02,937 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 448 transitions, 1332 flow [2024-11-13 15:11:02,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:02,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:11:02,938 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:11:02,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:11:02,939 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:11:02,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:02,939 INFO L85 PathProgramCache]: Analyzing trace with hash 419707206, now seen corresponding path program 1 times [2024-11-13 15:11:02,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:02,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784479471] [2024-11-13 15:11:02,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:02,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:11:03,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:03,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784479471] [2024-11-13 15:11:03,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784479471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:03,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:03,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:11:03,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902015818] [2024-11-13 15:11:03,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:03,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:11:03,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:03,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:11:03,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:11:04,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 477 [2024-11-13 15:11:04,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 448 transitions, 1332 flow. Second operand has 8 states, 8 states have (on average 422.875) internal successors, (3383), 8 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:04,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:11:04,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 477 [2024-11-13 15:11:04,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand