./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --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_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/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_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/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_b4c94887-693a-4832-ae4f-92d6f7db9854/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 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:52:06,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:52:06,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:52:06,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:52:06,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:52:06,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:52:06,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:52:06,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:52:06,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:52:06,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:52:06,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:52:06,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:52:06,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:52:06,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:52:06,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:52:06,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:52:06,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:52:06,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:52:06,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:52:06,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:52:06,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:52:06,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:52:06,337 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:52:06,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:52:06,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:52:06,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:52:06,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:52:06,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:52:06,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:52:06,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:52:06,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:52:06,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:52:06,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:52:06,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:52:06,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:52:06,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:52:06,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:52:06,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:52:06,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:52:06,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:52:06,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:52:06,342 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_b4c94887-693a-4832-ae4f-92d6f7db9854/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 -> 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d [2024-11-13 14:52:06,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:52:06,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:52:06,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:52:06,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:52:06,720 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:52:06,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c Unable to find full path for "g++" [2024-11-13 14:52:09,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:52:09,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:52:09,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-11-13 14:52:09,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/data/c30d8356c/b451a1c3e22549dc8cfdedaf65088eb3/FLAG82ea329a1 [2024-11-13 14:52:09,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/data/c30d8356c/b451a1c3e22549dc8cfdedaf65088eb3 [2024-11-13 14:52:09,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:52:09,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:52:09,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:52:09,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:52:09,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:52:09,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:09,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a695d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09, skipping insertion in model container [2024-11-13 14:52:09,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:09,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:52:09,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:52:09,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:52:09,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:52:09,960 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:52:09,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09 WrapperNode [2024-11-13 14:52:09,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:52:09,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:52:09,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:52:09,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:52:09,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:09,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,040 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 326 [2024-11-13 14:52:10,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:52:10,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:52:10,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:52:10,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:52:10,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:52:10,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:52:10,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:52:10,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:52:10,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (1/1) ... [2024-11-13 14:52:10,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:52:10,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:10,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:52:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:52:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:52:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 14:52:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 14:52:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 14:52:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 14:52:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:52:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:52:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 14:52:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 14:52:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:52:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:52:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:52:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:52:10,218 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 14:52:10,375 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:52:10,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:52:11,271 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:52:11,271 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:52:11,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:52:11,803 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 14:52:11,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:52:11 BoogieIcfgContainer [2024-11-13 14:52:11,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:52:11,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:52:11,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:52:11,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:52:11,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:52:09" (1/3) ... [2024-11-13 14:52:11,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7647dacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:52:11, skipping insertion in model container [2024-11-13 14:52:11,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:52:09" (2/3) ... [2024-11-13 14:52:11,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7647dacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:52:11, skipping insertion in model container [2024-11-13 14:52:11,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:52:11" (3/3) ... [2024-11-13 14:52:11,818 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2024-11-13 14:52:11,841 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:52:11,843 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-queue-add-2-nl.wvr.c that has 3 procedures, 272 locations, 1 initial locations, 3 loop locations, and 53 error locations. [2024-11-13 14:52:11,843 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:52:11,997 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 14:52:12,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 278 places, 283 transitions, 580 flow [2024-11-13 14:52:12,256 INFO L124 PetriNetUnfolderBase]: 12/281 cut-off events. [2024-11-13 14:52:12,259 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 14:52:12,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 281 events. 12/281 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 463 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 198. Up to 3 conditions per place. [2024-11-13 14:52:12,273 INFO L82 GeneralOperation]: Start removeDead. Operand has 278 places, 283 transitions, 580 flow [2024-11-13 14:52:12,327 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 258 places, 261 transitions, 534 flow [2024-11-13 14:52:12,341 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:52:12,358 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;@52bb2b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:52:12,358 INFO L334 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2024-11-13 14:52:12,365 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:52:12,366 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-13 14:52:12,366 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:52:12,366 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:12,367 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] [2024-11-13 14:52:12,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:12,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:12,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1105095830, now seen corresponding path program 1 times [2024-11-13 14:52:12,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:12,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342324115] [2024-11-13 14:52:12,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:12,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:12,625 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 14:52:12,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:12,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342324115] [2024-11-13 14:52:12,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342324115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:12,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:12,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499685829] [2024-11-13 14:52:12,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:12,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:12,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:12,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:12,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:12,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 283 [2024-11-13 14:52:12,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 261 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 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 14:52:12,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:12,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 283 [2024-11-13 14:52:12,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:12,903 INFO L124 PetriNetUnfolderBase]: 21/395 cut-off events. [2024-11-13 14:52:12,904 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2024-11-13 14:52:12,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 395 events. 21/395 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1220 event pairs, 14 based on Foata normal form. 14/350 useless extension candidates. Maximal degree in co-relation 287. Up to 42 conditions per place. [2024-11-13 14:52:12,912 INFO L140 encePairwiseOnDemand]: 247/283 looper letters, 13 selfloop transitions, 2 changer transitions 3/227 dead transitions. [2024-11-13 14:52:12,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 227 transitions, 496 flow [2024-11-13 14:52:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2024-11-13 14:52:12,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8739693757361602 [2024-11-13 14:52:12,947 INFO L175 Difference]: Start difference. First operand has 258 places, 261 transitions, 534 flow. Second operand 3 states and 742 transitions. [2024-11-13 14:52:12,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 227 transitions, 496 flow [2024-11-13 14:52:12,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 227 transitions, 488 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 14:52:12,966 INFO L231 Difference]: Finished difference. Result has 229 places, 224 transitions, 456 flow [2024-11-13 14:52:12,970 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=229, PETRI_TRANSITIONS=224} [2024-11-13 14:52:12,976 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -29 predicate places. [2024-11-13 14:52:12,977 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 224 transitions, 456 flow [2024-11-13 14:52:12,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 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 14:52:12,977 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:12,978 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] [2024-11-13 14:52:12,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:52:12,979 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:12,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:12,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1896442604, now seen corresponding path program 1 times [2024-11-13 14:52:12,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:12,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123668340] [2024-11-13 14:52:12,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:12,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:13,087 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 14:52:13,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:13,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123668340] [2024-11-13 14:52:13,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123668340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:13,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:13,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:13,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549394243] [2024-11-13 14:52:13,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:13,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:13,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:13,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:13,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:13,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 283 [2024-11-13 14:52:13,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 224 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 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 14:52:13,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:13,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 283 [2024-11-13 14:52:13,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:13,251 INFO L124 PetriNetUnfolderBase]: 12/307 cut-off events. [2024-11-13 14:52:13,252 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 14:52:13,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 307 events. 12/307 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 736 event pairs, 7 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 316. Up to 30 conditions per place. [2024-11-13 14:52:13,258 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 13 selfloop transitions, 2 changer transitions 0/223 dead transitions. [2024-11-13 14:52:13,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 223 transitions, 484 flow [2024-11-13 14:52:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 709 transitions. [2024-11-13 14:52:13,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351001177856302 [2024-11-13 14:52:13,264 INFO L175 Difference]: Start difference. First operand has 229 places, 224 transitions, 456 flow. Second operand 3 states and 709 transitions. [2024-11-13 14:52:13,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 223 transitions, 484 flow [2024-11-13 14:52:13,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 223 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:13,278 INFO L231 Difference]: Finished difference. Result has 225 places, 223 transitions, 454 flow [2024-11-13 14:52:13,279 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=225, PETRI_TRANSITIONS=223} [2024-11-13 14:52:13,283 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -33 predicate places. [2024-11-13 14:52:13,283 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 223 transitions, 454 flow [2024-11-13 14:52:13,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 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 14:52:13,285 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:13,285 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] [2024-11-13 14:52:13,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:52:13,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:13,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:13,287 INFO L85 PathProgramCache]: Analyzing trace with hash -580954629, now seen corresponding path program 1 times [2024-11-13 14:52:13,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:13,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356066689] [2024-11-13 14:52:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:13,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:13,361 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 14:52:13,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:13,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356066689] [2024-11-13 14:52:13,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356066689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:13,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:13,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:13,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341798521] [2024-11-13 14:52:13,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:13,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:13,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:13,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:13,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:13,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 283 [2024-11-13 14:52:13,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 223 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 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 14:52:13,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:13,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 283 [2024-11-13 14:52:13,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:13,519 INFO L124 PetriNetUnfolderBase]: 11/331 cut-off events. [2024-11-13 14:52:13,519 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-13 14:52:13,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 331 events. 11/331 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 686 event pairs, 5 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 324. Up to 23 conditions per place. [2024-11-13 14:52:13,522 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 11 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2024-11-13 14:52:13,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 222 transitions, 478 flow [2024-11-13 14:52:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-13 14:52:13,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.839811542991755 [2024-11-13 14:52:13,530 INFO L175 Difference]: Start difference. First operand has 225 places, 223 transitions, 454 flow. Second operand 3 states and 713 transitions. [2024-11-13 14:52:13,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 222 transitions, 478 flow [2024-11-13 14:52:13,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 222 transitions, 474 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:13,541 INFO L231 Difference]: Finished difference. Result has 224 places, 222 transitions, 452 flow [2024-11-13 14:52:13,541 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=224, PETRI_TRANSITIONS=222} [2024-11-13 14:52:13,542 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -34 predicate places. [2024-11-13 14:52:13,542 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 222 transitions, 452 flow [2024-11-13 14:52:13,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 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 14:52:13,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:13,543 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] [2024-11-13 14:52:13,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:52:13,544 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:13,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash -709374020, now seen corresponding path program 1 times [2024-11-13 14:52:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:13,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538689914] [2024-11-13 14:52:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:13,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:13,674 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 14:52:13,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:13,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538689914] [2024-11-13 14:52:13,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538689914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:13,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:13,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:13,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958627114] [2024-11-13 14:52:13,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:13,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:13,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:13,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:13,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:13,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 283 [2024-11-13 14:52:13,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 222 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 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 14:52:13,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:13,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 283 [2024-11-13 14:52:13,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:13,825 INFO L124 PetriNetUnfolderBase]: 11/330 cut-off events. [2024-11-13 14:52:13,825 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-13 14:52:13,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 330 events. 11/330 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 685 event pairs, 5 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 315. Up to 23 conditions per place. [2024-11-13 14:52:13,828 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 11 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2024-11-13 14:52:13,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 221 transitions, 476 flow [2024-11-13 14:52:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:13,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-13 14:52:13,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.839811542991755 [2024-11-13 14:52:13,832 INFO L175 Difference]: Start difference. First operand has 224 places, 222 transitions, 452 flow. Second operand 3 states and 713 transitions. [2024-11-13 14:52:13,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 221 transitions, 476 flow [2024-11-13 14:52:13,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 221 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:13,840 INFO L231 Difference]: Finished difference. Result has 223 places, 221 transitions, 450 flow [2024-11-13 14:52:13,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=223, PETRI_TRANSITIONS=221} [2024-11-13 14:52:13,841 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -35 predicate places. [2024-11-13 14:52:13,841 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 221 transitions, 450 flow [2024-11-13 14:52:13,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 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 14:52:13,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:13,843 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] [2024-11-13 14:52:13,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:52:13,843 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:13,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:13,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1824558132, now seen corresponding path program 1 times [2024-11-13 14:52:13,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:13,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684786429] [2024-11-13 14:52:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:13,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:13,956 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 14:52:13,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:13,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684786429] [2024-11-13 14:52:13,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684786429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:13,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:13,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:13,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353422775] [2024-11-13 14:52:13,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:13,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:13,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:13,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:13,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:13,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 283 [2024-11-13 14:52:13,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 221 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 0 states have call successors, (0), 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 14:52:13,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:13,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 283 [2024-11-13 14:52:13,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:14,120 INFO L124 PetriNetUnfolderBase]: 11/335 cut-off events. [2024-11-13 14:52:14,121 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-13 14:52:14,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 335 events. 11/335 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 720 event pairs, 2 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 312. Up to 14 conditions per place. [2024-11-13 14:52:14,124 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 12 selfloop transitions, 2 changer transitions 0/224 dead transitions. [2024-11-13 14:52:14,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 224 transitions, 485 flow [2024-11-13 14:52:14,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2024-11-13 14:52:14,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8551236749116607 [2024-11-13 14:52:14,131 INFO L175 Difference]: Start difference. First operand has 223 places, 221 transitions, 450 flow. Second operand 3 states and 726 transitions. [2024-11-13 14:52:14,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 224 transitions, 485 flow [2024-11-13 14:52:14,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 224 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:14,139 INFO L231 Difference]: Finished difference. Result has 223 places, 221 transitions, 454 flow [2024-11-13 14:52:14,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=223, PETRI_TRANSITIONS=221} [2024-11-13 14:52:14,141 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -35 predicate places. [2024-11-13 14:52:14,141 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 221 transitions, 454 flow [2024-11-13 14:52:14,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 0 states have call successors, (0), 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 14:52:14,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:14,144 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] [2024-11-13 14:52:14,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:52:14,144 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:14,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:14,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1026355055, now seen corresponding path program 1 times [2024-11-13 14:52:14,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:14,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039028414] [2024-11-13 14:52:14,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:14,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:14,263 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 14:52:14,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:14,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039028414] [2024-11-13 14:52:14,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039028414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:14,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:14,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:14,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325282682] [2024-11-13 14:52:14,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:14,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:14,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:14,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:14,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:14,292 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 283 [2024-11-13 14:52:14,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 221 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 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 14:52:14,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:14,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 283 [2024-11-13 14:52:14,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:14,447 INFO L124 PetriNetUnfolderBase]: 11/334 cut-off events. [2024-11-13 14:52:14,451 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2024-11-13 14:52:14,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 334 events. 11/334 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 719 event pairs, 5 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 171. Up to 25 conditions per place. [2024-11-13 14:52:14,454 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 11 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2024-11-13 14:52:14,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 220 transitions, 478 flow [2024-11-13 14:52:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2024-11-13 14:52:14,461 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421672555948174 [2024-11-13 14:52:14,461 INFO L175 Difference]: Start difference. First operand has 223 places, 221 transitions, 454 flow. Second operand 3 states and 715 transitions. [2024-11-13 14:52:14,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 220 transitions, 478 flow [2024-11-13 14:52:14,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 220 transitions, 476 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:52:14,469 INFO L231 Difference]: Finished difference. Result has 223 places, 220 transitions, 454 flow [2024-11-13 14:52:14,469 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=223, PETRI_TRANSITIONS=220} [2024-11-13 14:52:14,474 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -35 predicate places. [2024-11-13 14:52:14,475 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 220 transitions, 454 flow [2024-11-13 14:52:14,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 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 14:52:14,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:14,476 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] [2024-11-13 14:52:14,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:52:14,477 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:14,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:14,477 INFO L85 PathProgramCache]: Analyzing trace with hash 272161483, now seen corresponding path program 1 times [2024-11-13 14:52:14,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:14,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653575992] [2024-11-13 14:52:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:14,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:14,586 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 14:52:14,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:14,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653575992] [2024-11-13 14:52:14,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653575992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:14,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:14,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:14,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752157370] [2024-11-13 14:52:14,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:14,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:14,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:14,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:14,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:14,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 283 [2024-11-13 14:52:14,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 220 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 0 states have call successors, (0), 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 14:52:14,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:14,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 283 [2024-11-13 14:52:14,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:14,728 INFO L124 PetriNetUnfolderBase]: 11/333 cut-off events. [2024-11-13 14:52:14,728 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-13 14:52:14,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 333 events. 11/333 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 717 event pairs, 5 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 311. Up to 23 conditions per place. [2024-11-13 14:52:14,731 INFO L140 encePairwiseOnDemand]: 281/283 looper letters, 10 selfloop transitions, 1 changer transitions 0/219 dead transitions. [2024-11-13 14:52:14,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 219 transitions, 474 flow [2024-11-13 14:52:14,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:14,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 722 transitions. [2024-11-13 14:52:14,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.850412249705536 [2024-11-13 14:52:14,735 INFO L175 Difference]: Start difference. First operand has 223 places, 220 transitions, 454 flow. Second operand 3 states and 722 transitions. [2024-11-13 14:52:14,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 219 transitions, 474 flow [2024-11-13 14:52:14,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 219 transitions, 470 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:14,743 INFO L231 Difference]: Finished difference. Result has 222 places, 219 transitions, 450 flow [2024-11-13 14:52:14,743 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=222, PETRI_TRANSITIONS=219} [2024-11-13 14:52:14,745 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -36 predicate places. [2024-11-13 14:52:14,745 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 219 transitions, 450 flow [2024-11-13 14:52:14,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 0 states have call successors, (0), 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 14:52:14,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:14,747 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] [2024-11-13 14:52:14,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:52:14,747 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:14,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:14,749 INFO L85 PathProgramCache]: Analyzing trace with hash 706081099, now seen corresponding path program 1 times [2024-11-13 14:52:14,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:14,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667445369] [2024-11-13 14:52:14,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:14,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:16,070 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 14:52:16,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:16,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667445369] [2024-11-13 14:52:16,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667445369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:16,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:16,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:52:16,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29967550] [2024-11-13 14:52:16,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:16,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:52:16,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:16,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:52:16,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:52:16,220 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 283 [2024-11-13 14:52:16,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 219 transitions, 450 flow. Second operand has 6 states, 6 states have (on average 228.5) internal successors, (1371), 6 states have internal predecessors, (1371), 0 states have call successors, (0), 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 14:52:16,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:16,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 283 [2024-11-13 14:52:16,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:16,380 INFO L124 PetriNetUnfolderBase]: 11/332 cut-off events. [2024-11-13 14:52:16,380 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-13 14:52:16,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 332 events. 11/332 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 719 event pairs, 5 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 320. Up to 30 conditions per place. [2024-11-13 14:52:16,385 INFO L140 encePairwiseOnDemand]: 277/283 looper letters, 16 selfloop transitions, 5 changer transitions 0/218 dead transitions. [2024-11-13 14:52:16,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 218 transitions, 490 flow [2024-11-13 14:52:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:52:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:52:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1383 transitions. [2024-11-13 14:52:16,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8144876325088339 [2024-11-13 14:52:16,391 INFO L175 Difference]: Start difference. First operand has 222 places, 219 transitions, 450 flow. Second operand 6 states and 1383 transitions. [2024-11-13 14:52:16,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 218 transitions, 490 flow [2024-11-13 14:52:16,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 218 transitions, 489 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:52:16,397 INFO L231 Difference]: Finished difference. Result has 225 places, 218 transitions, 457 flow [2024-11-13 14:52:16,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=457, PETRI_PLACES=225, PETRI_TRANSITIONS=218} [2024-11-13 14:52:16,400 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -33 predicate places. [2024-11-13 14:52:16,402 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 218 transitions, 457 flow [2024-11-13 14:52:16,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.5) internal successors, (1371), 6 states have internal predecessors, (1371), 0 states have call successors, (0), 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 14:52:16,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:16,403 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] [2024-11-13 14:52:16,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:52:16,404 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:16,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:16,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1667982687, now seen corresponding path program 1 times [2024-11-13 14:52:16,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:16,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520598613] [2024-11-13 14:52:16,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:16,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:16,484 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 14:52:16,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:16,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520598613] [2024-11-13 14:52:16,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520598613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:16,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:16,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:16,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927368453] [2024-11-13 14:52:16,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:16,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:16,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:16,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:16,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:16,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 283 [2024-11-13 14:52:16,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 218 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 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 14:52:16,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:16,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 283 [2024-11-13 14:52:16,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:16,600 INFO L124 PetriNetUnfolderBase]: 11/331 cut-off events. [2024-11-13 14:52:16,601 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-13 14:52:16,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 331 events. 11/331 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 715 event pairs, 5 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 361. Up to 25 conditions per place. [2024-11-13 14:52:16,604 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 11 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-11-13 14:52:16,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 217 transitions, 481 flow [2024-11-13 14:52:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2024-11-13 14:52:16,608 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421672555948174 [2024-11-13 14:52:16,608 INFO L175 Difference]: Start difference. First operand has 225 places, 218 transitions, 457 flow. Second operand 3 states and 715 transitions. [2024-11-13 14:52:16,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 217 transitions, 481 flow [2024-11-13 14:52:16,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 217 transitions, 471 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 14:52:16,614 INFO L231 Difference]: Finished difference. Result has 221 places, 217 transitions, 449 flow [2024-11-13 14:52:16,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=449, PETRI_PLACES=221, PETRI_TRANSITIONS=217} [2024-11-13 14:52:16,617 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -37 predicate places. [2024-11-13 14:52:16,617 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 217 transitions, 449 flow [2024-11-13 14:52:16,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 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 14:52:16,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:16,618 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:52:16,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:52:16,619 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:16,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:16,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1221389012, now seen corresponding path program 1 times [2024-11-13 14:52:16,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:16,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289314972] [2024-11-13 14:52:16,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:16,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:16,686 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 14:52:16,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289314972] [2024-11-13 14:52:16,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289314972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:16,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:16,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:16,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562505056] [2024-11-13 14:52:16,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:16,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:16,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:16,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:16,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:16,710 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 283 [2024-11-13 14:52:16,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 217 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 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 14:52:16,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:16,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 283 [2024-11-13 14:52:16,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:16,782 INFO L124 PetriNetUnfolderBase]: 19/304 cut-off events. [2024-11-13 14:52:16,783 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 14:52:16,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 304 events. 19/304 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 730 event pairs, 9 based on Foata normal form. 1/263 useless extension candidates. Maximal degree in co-relation 304. Up to 38 conditions per place. [2024-11-13 14:52:16,785 INFO L140 encePairwiseOnDemand]: 279/283 looper letters, 12 selfloop transitions, 1 changer transitions 2/214 dead transitions. [2024-11-13 14:52:16,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 214 transitions, 471 flow [2024-11-13 14:52:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 709 transitions. [2024-11-13 14:52:16,790 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351001177856302 [2024-11-13 14:52:16,790 INFO L175 Difference]: Start difference. First operand has 221 places, 217 transitions, 449 flow. Second operand 3 states and 709 transitions. [2024-11-13 14:52:16,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 214 transitions, 471 flow [2024-11-13 14:52:16,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 214 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:16,797 INFO L231 Difference]: Finished difference. Result has 218 places, 212 transitions, 437 flow [2024-11-13 14:52:16,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=437, PETRI_PLACES=218, PETRI_TRANSITIONS=212} [2024-11-13 14:52:16,798 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -40 predicate places. [2024-11-13 14:52:16,798 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 212 transitions, 437 flow [2024-11-13 14:52:16,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 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 14:52:16,799 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:16,799 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] [2024-11-13 14:52:16,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:52:16,800 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:16,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:16,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1803360209, now seen corresponding path program 1 times [2024-11-13 14:52:16,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:16,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403829306] [2024-11-13 14:52:16,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:16,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:16,898 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 14:52:16,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:16,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403829306] [2024-11-13 14:52:16,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403829306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:16,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:16,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:16,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390253808] [2024-11-13 14:52:16,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:16,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:16,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:16,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:16,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:16,930 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 283 [2024-11-13 14:52:16,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 212 transitions, 437 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 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 14:52:16,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:16,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 283 [2024-11-13 14:52:16,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:17,038 INFO L124 PetriNetUnfolderBase]: 33/383 cut-off events. [2024-11-13 14:52:17,040 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2024-11-13 14:52:17,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 383 events. 33/383 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1219 event pairs, 9 based on Foata normal form. 1/337 useless extension candidates. Maximal degree in co-relation 419. Up to 38 conditions per place. [2024-11-13 14:52:17,045 INFO L140 encePairwiseOnDemand]: 275/283 looper letters, 14 selfloop transitions, 5 changer transitions 0/212 dead transitions. [2024-11-13 14:52:17,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 212 transitions, 480 flow [2024-11-13 14:52:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2024-11-13 14:52:17,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8362779740871613 [2024-11-13 14:52:17,050 INFO L175 Difference]: Start difference. First operand has 218 places, 212 transitions, 437 flow. Second operand 3 states and 710 transitions. [2024-11-13 14:52:17,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 212 transitions, 480 flow [2024-11-13 14:52:17,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 212 transitions, 479 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:52:17,058 INFO L231 Difference]: Finished difference. Result has 214 places, 209 transitions, 440 flow [2024-11-13 14:52:17,059 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=440, PETRI_PLACES=214, PETRI_TRANSITIONS=209} [2024-11-13 14:52:17,059 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -44 predicate places. [2024-11-13 14:52:17,059 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 209 transitions, 440 flow [2024-11-13 14:52:17,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 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 14:52:17,060 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:17,060 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] [2024-11-13 14:52:17,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:52:17,060 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:17,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:17,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2137591244, now seen corresponding path program 1 times [2024-11-13 14:52:17,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:17,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490295121] [2024-11-13 14:52:17,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:17,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:17,143 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 14:52:17,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:17,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490295121] [2024-11-13 14:52:17,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490295121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:17,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:17,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:17,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310004699] [2024-11-13 14:52:17,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:17,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:17,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:17,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:17,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:17,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 283 [2024-11-13 14:52:17,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 209 transitions, 440 flow. Second operand has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 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 14:52:17,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:17,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 283 [2024-11-13 14:52:17,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:17,295 INFO L124 PetriNetUnfolderBase]: 54/511 cut-off events. [2024-11-13 14:52:17,295 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-13 14:52:17,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 511 events. 54/511 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2048 event pairs, 10 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 599. Up to 87 conditions per place. [2024-11-13 14:52:17,300 INFO L140 encePairwiseOnDemand]: 277/283 looper letters, 19 selfloop transitions, 3 changer transitions 0/213 dead transitions. [2024-11-13 14:52:17,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 213 transitions, 495 flow [2024-11-13 14:52:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2024-11-13 14:52:17,303 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8445229681978799 [2024-11-13 14:52:17,303 INFO L175 Difference]: Start difference. First operand has 214 places, 209 transitions, 440 flow. Second operand 3 states and 717 transitions. [2024-11-13 14:52:17,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 213 transitions, 495 flow [2024-11-13 14:52:17,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 213 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:17,309 INFO L231 Difference]: Finished difference. Result has 212 places, 209 transitions, 445 flow [2024-11-13 14:52:17,310 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=445, PETRI_PLACES=212, PETRI_TRANSITIONS=209} [2024-11-13 14:52:17,311 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -46 predicate places. [2024-11-13 14:52:17,313 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 209 transitions, 445 flow [2024-11-13 14:52:17,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 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 14:52:17,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:17,314 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] [2024-11-13 14:52:17,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:52:17,314 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:17,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:17,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1198104930, now seen corresponding path program 1 times [2024-11-13 14:52:17,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:17,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812609628] [2024-11-13 14:52:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:17,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:17,398 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 14:52:17,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812609628] [2024-11-13 14:52:17,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812609628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:17,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:17,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:17,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60072729] [2024-11-13 14:52:17,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:17,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:17,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:17,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:17,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:17,435 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 283 [2024-11-13 14:52:17,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 209 transitions, 445 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 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 14:52:17,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:17,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 283 [2024-11-13 14:52:17,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:17,574 INFO L124 PetriNetUnfolderBase]: 67/500 cut-off events. [2024-11-13 14:52:17,575 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2024-11-13 14:52:17,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 500 events. 67/500 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2095 event pairs, 29 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 604. Up to 100 conditions per place. [2024-11-13 14:52:17,580 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 16 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2024-11-13 14:52:17,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 211 transitions, 486 flow [2024-11-13 14:52:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2024-11-13 14:52:17,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8445229681978799 [2024-11-13 14:52:17,583 INFO L175 Difference]: Start difference. First operand has 212 places, 209 transitions, 445 flow. Second operand 3 states and 717 transitions. [2024-11-13 14:52:17,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 211 transitions, 486 flow [2024-11-13 14:52:17,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 211 transitions, 486 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:52:17,589 INFO L231 Difference]: Finished difference. Result has 213 places, 208 transitions, 447 flow [2024-11-13 14:52:17,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=447, PETRI_PLACES=213, PETRI_TRANSITIONS=208} [2024-11-13 14:52:17,590 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -45 predicate places. [2024-11-13 14:52:17,591 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 208 transitions, 447 flow [2024-11-13 14:52:17,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 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 14:52:17,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:17,592 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] [2024-11-13 14:52:17,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:52:17,593 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:17,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:17,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1665792295, now seen corresponding path program 1 times [2024-11-13 14:52:17,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:17,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766222272] [2024-11-13 14:52:17,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:17,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:17,678 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 14:52:17,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766222272] [2024-11-13 14:52:17,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766222272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:17,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:17,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:17,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435850974] [2024-11-13 14:52:17,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:17,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:17,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:17,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:17,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:17,728 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 283 [2024-11-13 14:52:17,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 208 transitions, 447 flow. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 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 14:52:17,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:17,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 283 [2024-11-13 14:52:17,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:17,853 INFO L124 PetriNetUnfolderBase]: 57/455 cut-off events. [2024-11-13 14:52:17,853 INFO L125 PetriNetUnfolderBase]: For 35/37 co-relation queries the response was YES. [2024-11-13 14:52:17,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 455 events. 57/455 cut-off events. For 35/37 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1722 event pairs, 23 based on Foata normal form. 0/406 useless extension candidates. Maximal degree in co-relation 574. Up to 81 conditions per place. [2024-11-13 14:52:17,857 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 17 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2024-11-13 14:52:17,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 210 transitions, 494 flow [2024-11-13 14:52:17,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:17,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-13 14:52:17,860 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8409893992932862 [2024-11-13 14:52:17,860 INFO L175 Difference]: Start difference. First operand has 213 places, 208 transitions, 447 flow. Second operand 3 states and 714 transitions. [2024-11-13 14:52:17,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 210 transitions, 494 flow [2024-11-13 14:52:17,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 210 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:17,865 INFO L231 Difference]: Finished difference. Result has 212 places, 207 transitions, 445 flow [2024-11-13 14:52:17,866 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=445, PETRI_PLACES=212, PETRI_TRANSITIONS=207} [2024-11-13 14:52:17,868 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -46 predicate places. [2024-11-13 14:52:17,868 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 207 transitions, 445 flow [2024-11-13 14:52:17,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 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 14:52:17,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:17,869 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:52:17,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:52:17,870 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:17,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:17,870 INFO L85 PathProgramCache]: Analyzing trace with hash 739186589, now seen corresponding path program 1 times [2024-11-13 14:52:17,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:17,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995254084] [2024-11-13 14:52:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:17,985 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 14:52:17,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:17,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995254084] [2024-11-13 14:52:17,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995254084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:17,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:17,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:17,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870277820] [2024-11-13 14:52:17,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:17,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:17,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:17,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:17,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:18,035 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 283 [2024-11-13 14:52:18,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 207 transitions, 445 flow. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 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 14:52:18,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:18,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 283 [2024-11-13 14:52:18,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:18,170 INFO L124 PetriNetUnfolderBase]: 57/452 cut-off events. [2024-11-13 14:52:18,174 INFO L125 PetriNetUnfolderBase]: For 38/43 co-relation queries the response was YES. [2024-11-13 14:52:18,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 452 events. 57/452 cut-off events. For 38/43 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1700 event pairs, 23 based on Foata normal form. 1/408 useless extension candidates. Maximal degree in co-relation 571. Up to 81 conditions per place. [2024-11-13 14:52:18,178 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 17 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2024-11-13 14:52:18,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 209 transitions, 492 flow [2024-11-13 14:52:18,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-13 14:52:18,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8409893992932862 [2024-11-13 14:52:18,185 INFO L175 Difference]: Start difference. First operand has 212 places, 207 transitions, 445 flow. Second operand 3 states and 714 transitions. [2024-11-13 14:52:18,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 209 transitions, 492 flow [2024-11-13 14:52:18,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 209 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:18,191 INFO L231 Difference]: Finished difference. Result has 211 places, 206 transitions, 443 flow [2024-11-13 14:52:18,192 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=443, PETRI_PLACES=211, PETRI_TRANSITIONS=206} [2024-11-13 14:52:18,192 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -47 predicate places. [2024-11-13 14:52:18,193 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 206 transitions, 443 flow [2024-11-13 14:52:18,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 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 14:52:18,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:18,194 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] [2024-11-13 14:52:18,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:52:18,194 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:18,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:18,195 INFO L85 PathProgramCache]: Analyzing trace with hash -353327230, now seen corresponding path program 1 times [2024-11-13 14:52:18,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:18,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66058342] [2024-11-13 14:52:18,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:18,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:18,296 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 14:52:18,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66058342] [2024-11-13 14:52:18,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66058342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:18,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:18,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:18,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943027305] [2024-11-13 14:52:18,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:18,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:18,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:18,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:18,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:18,329 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 283 [2024-11-13 14:52:18,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 206 transitions, 443 flow. Second operand has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 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 14:52:18,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:18,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 283 [2024-11-13 14:52:18,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:18,464 INFO L124 PetriNetUnfolderBase]: 62/482 cut-off events. [2024-11-13 14:52:18,465 INFO L125 PetriNetUnfolderBase]: For 23/24 co-relation queries the response was YES. [2024-11-13 14:52:18,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 482 events. 62/482 cut-off events. For 23/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1881 event pairs, 19 based on Foata normal form. 1/442 useless extension candidates. Maximal degree in co-relation 574. Up to 69 conditions per place. [2024-11-13 14:52:18,468 INFO L140 encePairwiseOnDemand]: 278/283 looper letters, 13 selfloop transitions, 2 changer transitions 4/207 dead transitions. [2024-11-13 14:52:18,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 207 transitions, 478 flow [2024-11-13 14:52:18,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2024-11-13 14:52:18,472 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433451118963486 [2024-11-13 14:52:18,472 INFO L175 Difference]: Start difference. First operand has 211 places, 206 transitions, 443 flow. Second operand 3 states and 716 transitions. [2024-11-13 14:52:18,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 207 transitions, 478 flow [2024-11-13 14:52:18,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 207 transitions, 474 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:18,479 INFO L231 Difference]: Finished difference. Result has 209 places, 200 transitions, 431 flow [2024-11-13 14:52:18,479 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=209, PETRI_TRANSITIONS=200} [2024-11-13 14:52:18,480 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -49 predicate places. [2024-11-13 14:52:18,480 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 200 transitions, 431 flow [2024-11-13 14:52:18,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 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 14:52:18,481 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:18,481 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] [2024-11-13 14:52:18,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:52:18,481 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:18,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:18,482 INFO L85 PathProgramCache]: Analyzing trace with hash 764156805, now seen corresponding path program 1 times [2024-11-13 14:52:18,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:18,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405135918] [2024-11-13 14:52:18,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:18,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:18,572 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 14:52:18,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:18,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405135918] [2024-11-13 14:52:18,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405135918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:18,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:18,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:18,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244020973] [2024-11-13 14:52:18,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:18,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:18,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:18,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:18,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:18,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 283 [2024-11-13 14:52:18,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 200 transitions, 431 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 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 14:52:18,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:18,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 283 [2024-11-13 14:52:18,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:18,746 INFO L124 PetriNetUnfolderBase]: 82/489 cut-off events. [2024-11-13 14:52:18,746 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2024-11-13 14:52:18,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 489 events. 82/489 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1955 event pairs, 29 based on Foata normal form. 0/457 useless extension candidates. Maximal degree in co-relation 634. Up to 107 conditions per place. [2024-11-13 14:52:18,750 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 15 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2024-11-13 14:52:18,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 202 transitions, 470 flow [2024-11-13 14:52:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:18,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:18,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2024-11-13 14:52:18,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433451118963486 [2024-11-13 14:52:18,753 INFO L175 Difference]: Start difference. First operand has 209 places, 200 transitions, 431 flow. Second operand 3 states and 716 transitions. [2024-11-13 14:52:18,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 202 transitions, 470 flow [2024-11-13 14:52:18,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 202 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:18,759 INFO L231 Difference]: Finished difference. Result has 204 places, 199 transitions, 429 flow [2024-11-13 14:52:18,759 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=429, PETRI_PLACES=204, PETRI_TRANSITIONS=199} [2024-11-13 14:52:18,760 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -54 predicate places. [2024-11-13 14:52:18,760 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 199 transitions, 429 flow [2024-11-13 14:52:18,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 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 14:52:18,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:18,761 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] [2024-11-13 14:52:18,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:52:18,761 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:18,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:18,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1669861862, now seen corresponding path program 1 times [2024-11-13 14:52:18,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:18,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010391232] [2024-11-13 14:52:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:19,093 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 14:52:19,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:19,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010391232] [2024-11-13 14:52:19,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010391232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:19,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:19,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:52:19,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470780135] [2024-11-13 14:52:19,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:19,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:19,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:19,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:19,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:19,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 283 [2024-11-13 14:52:19,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 199 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 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 14:52:19,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:19,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 283 [2024-11-13 14:52:19,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:19,202 INFO L124 PetriNetUnfolderBase]: 24/384 cut-off events. [2024-11-13 14:52:19,202 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-13 14:52:19,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 384 events. 24/384 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1059 event pairs, 3 based on Foata normal form. 1/360 useless extension candidates. Maximal degree in co-relation 414. Up to 34 conditions per place. [2024-11-13 14:52:19,205 INFO L140 encePairwiseOnDemand]: 279/283 looper letters, 12 selfloop transitions, 3 changer transitions 0/202 dead transitions. [2024-11-13 14:52:19,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 202 transitions, 466 flow [2024-11-13 14:52:19,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2024-11-13 14:52:19,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8551236749116607 [2024-11-13 14:52:19,209 INFO L175 Difference]: Start difference. First operand has 204 places, 199 transitions, 429 flow. Second operand 3 states and 726 transitions. [2024-11-13 14:52:19,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 202 transitions, 466 flow [2024-11-13 14:52:19,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 202 transitions, 462 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:19,215 INFO L231 Difference]: Finished difference. Result has 205 places, 201 transitions, 444 flow [2024-11-13 14:52:19,216 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=205, PETRI_TRANSITIONS=201} [2024-11-13 14:52:19,216 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -53 predicate places. [2024-11-13 14:52:19,216 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 201 transitions, 444 flow [2024-11-13 14:52:19,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 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 14:52:19,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:19,219 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] [2024-11-13 14:52:19,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:52:19,219 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:19,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:19,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1123855148, now seen corresponding path program 1 times [2024-11-13 14:52:19,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:19,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126452360] [2024-11-13 14:52:19,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:19,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:19,331 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 14:52:19,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:19,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126452360] [2024-11-13 14:52:19,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126452360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:19,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:19,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:19,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283096282] [2024-11-13 14:52:19,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:19,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:19,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:19,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:19,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:19,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 283 [2024-11-13 14:52:19,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 201 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 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 14:52:19,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:19,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 283 [2024-11-13 14:52:19,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:19,466 INFO L124 PetriNetUnfolderBase]: 37/397 cut-off events. [2024-11-13 14:52:19,466 INFO L125 PetriNetUnfolderBase]: For 52/59 co-relation queries the response was YES. [2024-11-13 14:52:19,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 397 events. 37/397 cut-off events. For 52/59 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1273 event pairs, 8 based on Foata normal form. 1/381 useless extension candidates. Maximal degree in co-relation 473. Up to 41 conditions per place. [2024-11-13 14:52:19,469 INFO L140 encePairwiseOnDemand]: 278/283 looper letters, 13 selfloop transitions, 2 changer transitions 4/202 dead transitions. [2024-11-13 14:52:19,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 202 transitions, 485 flow [2024-11-13 14:52:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2024-11-13 14:52:19,472 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457008244994111 [2024-11-13 14:52:19,473 INFO L175 Difference]: Start difference. First operand has 205 places, 201 transitions, 444 flow. Second operand 3 states and 718 transitions. [2024-11-13 14:52:19,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 202 transitions, 485 flow [2024-11-13 14:52:19,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 202 transitions, 482 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:52:19,478 INFO L231 Difference]: Finished difference. Result has 204 places, 195 transitions, 432 flow [2024-11-13 14:52:19,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=204, PETRI_TRANSITIONS=195} [2024-11-13 14:52:19,479 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -54 predicate places. [2024-11-13 14:52:19,479 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 195 transitions, 432 flow [2024-11-13 14:52:19,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 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 14:52:19,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:52:19,480 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] [2024-11-13 14:52:19,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:52:19,480 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2024-11-13 14:52:19,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:19,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1940670151, now seen corresponding path program 1 times [2024-11-13 14:52:19,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:19,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585910937] [2024-11-13 14:52:19,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:19,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:19,573 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 14:52:19,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:19,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585910937] [2024-11-13 14:52:19,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585910937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:19,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:19,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:52:19,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529328148] [2024-11-13 14:52:19,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:19,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:52:19,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:19,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:52:19,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:52:19,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 283 [2024-11-13 14:52:19,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 195 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 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 14:52:19,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:52:19,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 283 [2024-11-13 14:52:19,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:52:19,694 INFO L124 PetriNetUnfolderBase]: 40/391 cut-off events. [2024-11-13 14:52:19,694 INFO L125 PetriNetUnfolderBase]: For 60/67 co-relation queries the response was YES. [2024-11-13 14:52:19,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 391 events. 40/391 cut-off events. For 60/67 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1217 event pairs, 12 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 486. Up to 61 conditions per place. [2024-11-13 14:52:19,696 INFO L140 encePairwiseOnDemand]: 280/283 looper letters, 0 selfloop transitions, 0 changer transitions 197/197 dead transitions. [2024-11-13 14:52:19,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 197 transitions, 475 flow [2024-11-13 14:52:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:52:19,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:52:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2024-11-13 14:52:19,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8445229681978799 [2024-11-13 14:52:19,700 INFO L175 Difference]: Start difference. First operand has 204 places, 195 transitions, 432 flow. Second operand 3 states and 717 transitions. [2024-11-13 14:52:19,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 197 transitions, 475 flow [2024-11-13 14:52:19,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 197 transitions, 471 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:52:19,703 INFO L231 Difference]: Finished difference. Result has 199 places, 0 transitions, 0 flow [2024-11-13 14:52:19,704 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=199, PETRI_TRANSITIONS=0} [2024-11-13 14:52:19,704 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -59 predicate places. [2024-11-13 14:52:19,704 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 0 transitions, 0 flow [2024-11-13 14:52:19,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 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 14:52:19,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (93 of 94 remaining) [2024-11-13 14:52:19,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (92 of 94 remaining) [2024-11-13 14:52:19,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (91 of 94 remaining) [2024-11-13 14:52:19,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (90 of 94 remaining) [2024-11-13 14:52:19,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (89 of 94 remaining) [2024-11-13 14:52:19,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (88 of 94 remaining) [2024-11-13 14:52:19,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (87 of 94 remaining) [2024-11-13 14:52:19,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (86 of 94 remaining) [2024-11-13 14:52:19,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (85 of 94 remaining) [2024-11-13 14:52:19,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 94 remaining) [2024-11-13 14:52:19,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 94 remaining) [2024-11-13 14:52:19,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 94 remaining) [2024-11-13 14:52:19,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (81 of 94 remaining) [2024-11-13 14:52:19,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (80 of 94 remaining) [2024-11-13 14:52:19,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 94 remaining) [2024-11-13 14:52:19,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (78 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (77 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (76 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (75 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (74 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (73 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (72 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (71 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (70 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (69 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (68 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 94 remaining) [2024-11-13 14:52:19,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 94 remaining) [2024-11-13 14:52:19,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 94 remaining) [2024-11-13 14:52:19,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 94 remaining) [2024-11-13 14:52:19,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 94 remaining) [2024-11-13 14:52:19,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 94 remaining) [2024-11-13 14:52:19,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (60 of 94 remaining) [2024-11-13 14:52:19,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (59 of 94 remaining) [2024-11-13 14:52:19,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (58 of 94 remaining) [2024-11-13 14:52:19,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (57 of 94 remaining) [2024-11-13 14:52:19,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (56 of 94 remaining) [2024-11-13 14:52:19,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (55 of 94 remaining) [2024-11-13 14:52:19,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (54 of 94 remaining) [2024-11-13 14:52:19,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (53 of 94 remaining) [2024-11-13 14:52:19,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (52 of 94 remaining) [2024-11-13 14:52:19,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (51 of 94 remaining) [2024-11-13 14:52:19,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 94 remaining) [2024-11-13 14:52:19,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (49 of 94 remaining) [2024-11-13 14:52:19,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (48 of 94 remaining) [2024-11-13 14:52:19,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (47 of 94 remaining) [2024-11-13 14:52:19,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (46 of 94 remaining) [2024-11-13 14:52:19,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (45 of 94 remaining) [2024-11-13 14:52:19,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (44 of 94 remaining) [2024-11-13 14:52:19,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (43 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (42 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (37 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (36 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (35 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 94 remaining) [2024-11-13 14:52:19,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (33 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (32 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (31 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (30 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (21 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 94 remaining) [2024-11-13 14:52:19,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (19 of 94 remaining) [2024-11-13 14:52:19,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 94 remaining) [2024-11-13 14:52:19,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (17 of 94 remaining) [2024-11-13 14:52:19,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 94 remaining) [2024-11-13 14:52:19,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 94 remaining) [2024-11-13 14:52:19,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 94 remaining) [2024-11-13 14:52:19,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 94 remaining) [2024-11-13 14:52:19,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 94 remaining) [2024-11-13 14:52:19,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 94 remaining) [2024-11-13 14:52:19,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 94 remaining) [2024-11-13 14:52:19,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 94 remaining) [2024-11-13 14:52:19,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 94 remaining) [2024-11-13 14:52:19,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (7 of 94 remaining) [2024-11-13 14:52:19,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 94 remaining) [2024-11-13 14:52:19,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 94 remaining) [2024-11-13 14:52:19,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 94 remaining) [2024-11-13 14:52:19,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (3 of 94 remaining) [2024-11-13 14:52:19,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (2 of 94 remaining) [2024-11-13 14:52:19,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (1 of 94 remaining) [2024-11-13 14:52:19,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (0 of 94 remaining) [2024-11-13 14:52:19,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:52:19,720 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:52:19,727 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:52:19,727 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:52:19,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:52:19 BasicIcfg [2024-11-13 14:52:19,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:52:19,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:52:19,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:52:19,739 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:52:19,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:52:11" (3/4) ... [2024-11-13 14:52:19,742 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:52:19,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 14:52:19,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 14:52:19,755 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 14:52:19,755 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 14:52:19,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:52:19,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:52:19,877 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:52:19,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:52:19,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:52:19,880 INFO L158 Benchmark]: Toolchain (without parser) took 10367.90ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.3MB in the beginning and 319.9MB in the end (delta: -200.7MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2024-11-13 14:52:19,882 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:52:19,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.22ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.2MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:52:19,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.26ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 103.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:52:19,884 INFO L158 Benchmark]: Boogie Preprocessor took 78.96ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:52:19,885 INFO L158 Benchmark]: RCFGBuilder took 1676.93ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 79.6MB in the end (delta: 22.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-13 14:52:19,885 INFO L158 Benchmark]: TraceAbstraction took 7928.34ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 79.0MB in the beginning and 324.1MB in the end (delta: -245.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-13 14:52:19,887 INFO L158 Benchmark]: Witness Printer took 139.50ms. Allocated memory is still 427.8MB. Free memory was 324.1MB in the beginning and 319.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:52:19,889 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.22ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.2MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.26ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 103.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.96ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1676.93ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 79.6MB in the end (delta: 22.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7928.34ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 79.0MB in the beginning and 324.1MB in the end (delta: -245.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Witness Printer took 139.50ms. Allocated memory is still 427.8MB. Free memory was 324.1MB in the beginning and 319.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 374 locations, 94 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.7s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 419 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 650 IncrementalHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 78 mSDtfsCounter, 650 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=534occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1799 NumberOfCodeBlocks, 1799 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1779 ConstructedInterpolants, 0 QuantifiedInterpolants, 2060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 53 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 14:52:19,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c94887-693a-4832-ae4f-92d6f7db9854/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE