./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.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_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/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_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/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_48ec1093-ec7a-451c-9187-5a63e5742b91/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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:23:29,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:23:29,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 16:23:29,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:23:29,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:23:29,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:23:29,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:23:29,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:23:29,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:23:29,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:23:29,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:23:29,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:23:29,535 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:23:29,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:23:29,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:23:29,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:23:29,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:23:29,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:23:29,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:23:29,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:23:29,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:23:29,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:23:29,538 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 16:23:29,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:23:29,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:23:29,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:23:29,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:23:29,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:23:29,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:23:29,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:23:29,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:23:29,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:23:29,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:23:29,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:23:29,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:23:29,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:23:29,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:23:29,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:23:29,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:23:29,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:23:29,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:23:29,541 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_48ec1093-ec7a-451c-9187-5a63e5742b91/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 -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2024-11-13 16:23:29,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:23:29,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:23:29,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:23:29,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:23:29,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:23:29,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c Unable to find full path for "g++" [2024-11-13 16:23:31,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:23:32,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:23:32,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2024-11-13 16:23:32,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/data/f7ebf7312/16da7d609dad4d20b766413dd72e632d/FLAGe83ac555a [2024-11-13 16:23:32,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/data/f7ebf7312/16da7d609dad4d20b766413dd72e632d [2024-11-13 16:23:32,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:23:32,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:23:32,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:23:32,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:23:32,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:23:32,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b4b249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32, skipping insertion in model container [2024-11-13 16:23:32,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:23:32,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:23:32,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:23:32,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:23:32,468 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:23:32,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32 WrapperNode [2024-11-13 16:23:32,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:23:32,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:23:32,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:23:32,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:23:32,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,539 INFO L138 Inliner]: procedures = 25, calls = 54, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 461 [2024-11-13 16:23:32,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:23:32,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:23:32,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:23:32,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:23:32,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:23:32,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:23:32,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:23:32,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:23:32,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (1/1) ... [2024-11-13 16:23:32,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:23:32,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:23:32,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:23:32,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:23:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:23:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 16:23:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 16:23:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 16:23:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 16:23:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-13 16:23:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:23:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:23:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:23:32,655 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 16:23:32,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:23:32,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:23:33,624 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:23:33,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:23:34,186 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:23:34,187 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 16:23:34,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:23:34 BoogieIcfgContainer [2024-11-13 16:23:34,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:23:34,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:23:34,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:23:34,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:23:34,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:23:32" (1/3) ... [2024-11-13 16:23:34,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322a8b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:23:34, skipping insertion in model container [2024-11-13 16:23:34,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:32" (2/3) ... [2024-11-13 16:23:34,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322a8b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:23:34, skipping insertion in model container [2024-11-13 16:23:34,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:23:34" (3/3) ... [2024-11-13 16:23:34,200 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-11-13 16:23:34,216 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:23:34,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-prod-cons3.wvr.c that has 5 procedures, 357 locations, 1 initial locations, 5 loop locations, and 68 error locations. [2024-11-13 16:23:34,218 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:23:34,371 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 16:23:34,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 369 places, 374 transitions, 776 flow [2024-11-13 16:23:34,636 INFO L124 PetriNetUnfolderBase]: 18/370 cut-off events. [2024-11-13 16:23:34,638 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 16:23:34,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 370 events. 18/370 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 508 event pairs, 0 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 343. Up to 3 conditions per place. [2024-11-13 16:23:34,652 INFO L82 GeneralOperation]: Start removeDead. Operand has 369 places, 374 transitions, 776 flow [2024-11-13 16:23:34,665 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 349 places, 353 transitions, 730 flow [2024-11-13 16:23:34,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:23:34,689 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;@7491ab17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:23:34,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2024-11-13 16:23:34,701 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:23:34,705 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-11-13 16:23:34,705 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:23:34,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:34,706 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] [2024-11-13 16:23:34,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:34,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:34,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1649073182, now seen corresponding path program 1 times [2024-11-13 16:23:34,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:34,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379305635] [2024-11-13 16:23:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:34,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:34,947 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 16:23:34,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:34,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379305635] [2024-11-13 16:23:34,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379305635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:34,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:34,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:34,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103860822] [2024-11-13 16:23:34,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:34,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:34,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:34,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:35,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 374 [2024-11-13 16:23:35,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 353 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 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 16:23:35,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:35,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 374 [2024-11-13 16:23:35,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:35,801 INFO L124 PetriNetUnfolderBase]: 752/1727 cut-off events. [2024-11-13 16:23:35,801 INFO L125 PetriNetUnfolderBase]: For 256/256 co-relation queries the response was YES. [2024-11-13 16:23:35,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3048 conditions, 1727 events. 752/1727 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 9873 event pairs, 600 based on Foata normal form. 204/1779 useless extension candidates. Maximal degree in co-relation 2698. Up to 1053 conditions per place. [2024-11-13 16:23:35,827 INFO L140 encePairwiseOnDemand]: 312/374 looper letters, 26 selfloop transitions, 2 changer transitions 6/293 dead transitions. [2024-11-13 16:23:35,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 293 transitions, 666 flow [2024-11-13 16:23:35,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-11-13 16:23:35,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351158645276292 [2024-11-13 16:23:35,852 INFO L175 Difference]: Start difference. First operand has 349 places, 353 transitions, 730 flow. Second operand 3 states and 937 transitions. [2024-11-13 16:23:35,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 293 transitions, 666 flow [2024-11-13 16:23:35,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 293 transitions, 650 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-13 16:23:35,875 INFO L231 Difference]: Finished difference. Result has 294 places, 287 transitions, 586 flow [2024-11-13 16:23:35,878 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=294, PETRI_TRANSITIONS=287} [2024-11-13 16:23:35,882 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -55 predicate places. [2024-11-13 16:23:35,882 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 287 transitions, 586 flow [2024-11-13 16:23:35,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 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 16:23:35,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:35,884 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] [2024-11-13 16:23:35,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:23:35,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:35,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:35,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1220650767, now seen corresponding path program 1 times [2024-11-13 16:23:35,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:35,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005868705] [2024-11-13 16:23:35,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:35,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:35,987 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 16:23:35,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:35,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005868705] [2024-11-13 16:23:35,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005868705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:35,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:35,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:35,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258265480] [2024-11-13 16:23:35,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:35,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:35,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:35,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:35,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:36,019 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 374 [2024-11-13 16:23:36,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 287 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 0 states have call successors, (0), 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 16:23:36,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:36,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 374 [2024-11-13 16:23:36,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:36,583 INFO L124 PetriNetUnfolderBase]: 923/1998 cut-off events. [2024-11-13 16:23:36,587 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-13 16:23:36,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3423 conditions, 1998 events. 923/1998 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11652 event pairs, 743 based on Foata normal form. 0/1850 useless extension candidates. Maximal degree in co-relation 3385. Up to 1288 conditions per place. [2024-11-13 16:23:36,605 INFO L140 encePairwiseOnDemand]: 370/374 looper letters, 26 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2024-11-13 16:23:36,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 284 transitions, 634 flow [2024-11-13 16:23:36,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:36,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 879 transitions. [2024-11-13 16:23:36,609 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7834224598930482 [2024-11-13 16:23:36,610 INFO L175 Difference]: Start difference. First operand has 294 places, 287 transitions, 586 flow. Second operand 3 states and 879 transitions. [2024-11-13 16:23:36,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 284 transitions, 634 flow [2024-11-13 16:23:36,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 284 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:36,617 INFO L231 Difference]: Finished difference. Result has 285 places, 284 transitions, 578 flow [2024-11-13 16:23:36,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=285, PETRI_TRANSITIONS=284} [2024-11-13 16:23:36,621 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -64 predicate places. [2024-11-13 16:23:36,622 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 284 transitions, 578 flow [2024-11-13 16:23:36,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 0 states have call successors, (0), 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 16:23:36,622 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:36,623 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] [2024-11-13 16:23:36,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:23:36,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:36,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:36,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1195215993, now seen corresponding path program 1 times [2024-11-13 16:23:36,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:36,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968315695] [2024-11-13 16:23:36,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:36,728 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 16:23:36,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:36,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968315695] [2024-11-13 16:23:36,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968315695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:36,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:36,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:36,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225626131] [2024-11-13 16:23:36,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:36,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:36,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:36,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:36,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:36,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-13 16:23:36,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 284 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:36,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:36,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-13 16:23:36,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:37,236 INFO L124 PetriNetUnfolderBase]: 565/1385 cut-off events. [2024-11-13 16:23:37,236 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-13 16:23:37,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2284 conditions, 1385 events. 565/1385 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7585 event pairs, 457 based on Foata normal form. 0/1291 useless extension candidates. Maximal degree in co-relation 2246. Up to 815 conditions per place. [2024-11-13 16:23:37,262 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-13 16:23:37,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 283 transitions, 628 flow [2024-11-13 16:23:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-13 16:23:37,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-13 16:23:37,273 INFO L175 Difference]: Start difference. First operand has 285 places, 284 transitions, 578 flow. Second operand 3 states and 882 transitions. [2024-11-13 16:23:37,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 283 transitions, 628 flow [2024-11-13 16:23:37,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 283 transitions, 627 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:23:37,281 INFO L231 Difference]: Finished difference. Result has 285 places, 283 transitions, 579 flow [2024-11-13 16:23:37,281 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=579, PETRI_PLACES=285, PETRI_TRANSITIONS=283} [2024-11-13 16:23:37,283 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -64 predicate places. [2024-11-13 16:23:37,283 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 283 transitions, 579 flow [2024-11-13 16:23:37,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:37,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:37,284 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] [2024-11-13 16:23:37,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:23:37,284 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:37,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:37,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1452994820, now seen corresponding path program 1 times [2024-11-13 16:23:37,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:37,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953487624] [2024-11-13 16:23:37,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:37,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:37,356 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 16:23:37,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:37,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953487624] [2024-11-13 16:23:37,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953487624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:37,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:37,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:37,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784887523] [2024-11-13 16:23:37,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:37,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:37,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:37,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:37,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:37,385 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-13 16:23:37,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 283 transitions, 579 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:37,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:37,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-13 16:23:37,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:37,793 INFO L124 PetriNetUnfolderBase]: 565/1384 cut-off events. [2024-11-13 16:23:37,793 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-13 16:23:37,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2285 conditions, 1384 events. 565/1384 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7551 event pairs, 457 based on Foata normal form. 0/1291 useless extension candidates. Maximal degree in co-relation 2247. Up to 815 conditions per place. [2024-11-13 16:23:37,802 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-13 16:23:37,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 282 transitions, 629 flow [2024-11-13 16:23:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-13 16:23:37,806 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-13 16:23:37,806 INFO L175 Difference]: Start difference. First operand has 285 places, 283 transitions, 579 flow. Second operand 3 states and 882 transitions. [2024-11-13 16:23:37,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 282 transitions, 629 flow [2024-11-13 16:23:37,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 282 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:37,812 INFO L231 Difference]: Finished difference. Result has 284 places, 282 transitions, 577 flow [2024-11-13 16:23:37,812 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=284, PETRI_TRANSITIONS=282} [2024-11-13 16:23:37,813 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -65 predicate places. [2024-11-13 16:23:37,813 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 282 transitions, 577 flow [2024-11-13 16:23:37,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:37,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:37,814 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] [2024-11-13 16:23:37,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:23:37,816 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:37,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:37,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1405664418, now seen corresponding path program 1 times [2024-11-13 16:23:37,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:37,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805476248] [2024-11-13 16:23:37,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:37,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:37,915 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 16:23:37,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:37,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805476248] [2024-11-13 16:23:37,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805476248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:37,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:37,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:37,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622089637] [2024-11-13 16:23:37,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:37,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:37,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:37,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:37,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:37,942 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-13 16:23:37,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 282 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:37,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:37,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-13 16:23:37,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:38,242 INFO L124 PetriNetUnfolderBase]: 565/1383 cut-off events. [2024-11-13 16:23:38,242 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-13 16:23:38,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2284 conditions, 1383 events. 565/1383 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7560 event pairs, 457 based on Foata normal form. 0/1291 useless extension candidates. Maximal degree in co-relation 2246. Up to 815 conditions per place. [2024-11-13 16:23:38,252 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-13 16:23:38,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 281 transitions, 627 flow [2024-11-13 16:23:38,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-13 16:23:38,255 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-13 16:23:38,255 INFO L175 Difference]: Start difference. First operand has 284 places, 282 transitions, 577 flow. Second operand 3 states and 882 transitions. [2024-11-13 16:23:38,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 281 transitions, 627 flow [2024-11-13 16:23:38,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 281 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:38,260 INFO L231 Difference]: Finished difference. Result has 283 places, 281 transitions, 575 flow [2024-11-13 16:23:38,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=283, PETRI_TRANSITIONS=281} [2024-11-13 16:23:38,261 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -66 predicate places. [2024-11-13 16:23:38,261 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 281 transitions, 575 flow [2024-11-13 16:23:38,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:38,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:38,262 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] [2024-11-13 16:23:38,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:23:38,262 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:38,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:38,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1159356565, now seen corresponding path program 1 times [2024-11-13 16:23:38,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:38,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393012257] [2024-11-13 16:23:38,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:38,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:38,314 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 16:23:38,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:38,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393012257] [2024-11-13 16:23:38,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393012257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:38,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:38,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:38,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240916124] [2024-11-13 16:23:38,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:38,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:38,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:38,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:38,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:38,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-13 16:23:38,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 281 transitions, 575 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:38,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:38,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-13 16:23:38,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:38,626 INFO L124 PetriNetUnfolderBase]: 565/1382 cut-off events. [2024-11-13 16:23:38,626 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-13 16:23:38,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2283 conditions, 1382 events. 565/1382 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7614 event pairs, 457 based on Foata normal form. 0/1291 useless extension candidates. Maximal degree in co-relation 2245. Up to 815 conditions per place. [2024-11-13 16:23:38,635 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-13 16:23:38,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 280 transitions, 625 flow [2024-11-13 16:23:38,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-13 16:23:38,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-13 16:23:38,639 INFO L175 Difference]: Start difference. First operand has 283 places, 281 transitions, 575 flow. Second operand 3 states and 882 transitions. [2024-11-13 16:23:38,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 280 transitions, 625 flow [2024-11-13 16:23:38,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 280 transitions, 621 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:38,643 INFO L231 Difference]: Finished difference. Result has 282 places, 280 transitions, 573 flow [2024-11-13 16:23:38,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=573, PETRI_PLACES=282, PETRI_TRANSITIONS=280} [2024-11-13 16:23:38,646 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-13 16:23:38,647 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 280 transitions, 573 flow [2024-11-13 16:23:38,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:38,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:38,648 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] [2024-11-13 16:23:38,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:23:38,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:38,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:38,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2078472393, now seen corresponding path program 1 times [2024-11-13 16:23:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:38,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100086943] [2024-11-13 16:23:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:38,744 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 16:23:38,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:38,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100086943] [2024-11-13 16:23:38,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100086943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:38,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:38,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:38,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854209491] [2024-11-13 16:23:38,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:38,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:38,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:38,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:38,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:38,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-13 16:23:38,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 280 transitions, 573 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 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 16:23:38,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:38,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-13 16:23:38,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:39,134 INFO L124 PetriNetUnfolderBase]: 687/1772 cut-off events. [2024-11-13 16:23:39,135 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-13 16:23:39,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 1772 events. 687/1772 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11069 event pairs, 280 based on Foata normal form. 0/1665 useless extension candidates. Maximal degree in co-relation 2828. Up to 697 conditions per place. [2024-11-13 16:23:39,147 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 35 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-13 16:23:39,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 293 transitions, 679 flow [2024-11-13 16:23:39,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-13 16:23:39,151 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065953654188949 [2024-11-13 16:23:39,151 INFO L175 Difference]: Start difference. First operand has 282 places, 280 transitions, 573 flow. Second operand 3 states and 905 transitions. [2024-11-13 16:23:39,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 293 transitions, 679 flow [2024-11-13 16:23:39,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 293 transitions, 675 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:39,158 INFO L231 Difference]: Finished difference. Result has 282 places, 280 transitions, 577 flow [2024-11-13 16:23:39,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=282, PETRI_TRANSITIONS=280} [2024-11-13 16:23:39,160 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-13 16:23:39,160 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 280 transitions, 577 flow [2024-11-13 16:23:39,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 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 16:23:39,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:39,161 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] [2024-11-13 16:23:39,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:23:39,161 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:39,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:39,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1863675567, now seen corresponding path program 1 times [2024-11-13 16:23:39,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:39,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815225924] [2024-11-13 16:23:39,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:39,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:39,227 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 16:23:39,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:39,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815225924] [2024-11-13 16:23:39,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815225924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:39,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:39,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:39,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510531153] [2024-11-13 16:23:39,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:39,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:39,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:39,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:39,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:39,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-11-13 16:23:39,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 280 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 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 16:23:39,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:39,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-11-13 16:23:39,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:39,574 INFO L124 PetriNetUnfolderBase]: 687/1688 cut-off events. [2024-11-13 16:23:39,574 INFO L125 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2024-11-13 16:23:39,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2924 conditions, 1688 events. 687/1688 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10097 event pairs, 566 based on Foata normal form. 0/1570 useless extension candidates. Maximal degree in co-relation 2885. Up to 994 conditions per place. [2024-11-13 16:23:39,585 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-11-13 16:23:39,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 279 transitions, 627 flow [2024-11-13 16:23:39,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-13 16:23:39,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-11-13 16:23:39,588 INFO L175 Difference]: Start difference. First operand has 282 places, 280 transitions, 577 flow. Second operand 3 states and 884 transitions. [2024-11-13 16:23:39,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 279 transitions, 627 flow [2024-11-13 16:23:39,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 279 transitions, 625 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:23:39,593 INFO L231 Difference]: Finished difference. Result has 282 places, 279 transitions, 577 flow [2024-11-13 16:23:39,593 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=282, PETRI_TRANSITIONS=279} [2024-11-13 16:23:39,594 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-13 16:23:39,596 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 279 transitions, 577 flow [2024-11-13 16:23:39,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 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 16:23:39,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:39,600 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] [2024-11-13 16:23:39,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:23:39,600 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:39,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:39,601 INFO L85 PathProgramCache]: Analyzing trace with hash -282190876, now seen corresponding path program 1 times [2024-11-13 16:23:39,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:39,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425494232] [2024-11-13 16:23:39,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:39,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:39,711 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 16:23:39,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:39,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425494232] [2024-11-13 16:23:39,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425494232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:39,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:39,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:39,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553338186] [2024-11-13 16:23:39,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:39,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:39,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:39,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:39,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:39,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-13 16:23:39,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 279 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 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 16:23:39,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:39,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-13 16:23:39,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:40,298 INFO L124 PetriNetUnfolderBase]: 851/2331 cut-off events. [2024-11-13 16:23:40,298 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2024-11-13 16:23:40,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3800 conditions, 2331 events. 851/2331 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 16793 event pairs, 394 based on Foata normal form. 0/2127 useless extension candidates. Maximal degree in co-relation 3762. Up to 776 conditions per place. [2024-11-13 16:23:40,312 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 37 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-13 16:23:40,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 293 transitions, 692 flow [2024-11-13 16:23:40,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-13 16:23:40,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065953654188949 [2024-11-13 16:23:40,315 INFO L175 Difference]: Start difference. First operand has 282 places, 279 transitions, 577 flow. Second operand 3 states and 905 transitions. [2024-11-13 16:23:40,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 293 transitions, 692 flow [2024-11-13 16:23:40,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 293 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:40,320 INFO L231 Difference]: Finished difference. Result has 282 places, 279 transitions, 581 flow [2024-11-13 16:23:40,321 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=282, PETRI_TRANSITIONS=279} [2024-11-13 16:23:40,322 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-13 16:23:40,322 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 279 transitions, 581 flow [2024-11-13 16:23:40,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 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 16:23:40,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:40,323 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] [2024-11-13 16:23:40,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:23:40,324 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:40,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:40,324 INFO L85 PathProgramCache]: Analyzing trace with hash 864949572, now seen corresponding path program 1 times [2024-11-13 16:23:40,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:40,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76277306] [2024-11-13 16:23:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:40,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:40,399 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 16:23:40,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:40,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76277306] [2024-11-13 16:23:40,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76277306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:40,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:40,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:40,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74324293] [2024-11-13 16:23:40,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:40,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:40,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:40,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:40,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:40,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-11-13 16:23:40,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 279 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 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 16:23:40,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:40,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-11-13 16:23:40,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:40,930 INFO L124 PetriNetUnfolderBase]: 851/2198 cut-off events. [2024-11-13 16:23:40,930 INFO L125 PetriNetUnfolderBase]: For 349/349 co-relation queries the response was YES. [2024-11-13 16:23:40,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3879 conditions, 2198 events. 851/2198 cut-off events. For 349/349 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15084 event pairs, 719 based on Foata normal form. 0/2018 useless extension candidates. Maximal degree in co-relation 3839. Up to 1234 conditions per place. [2024-11-13 16:23:40,947 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/278 dead transitions. [2024-11-13 16:23:40,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 278 transitions, 633 flow [2024-11-13 16:23:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:40,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-13 16:23:40,951 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-11-13 16:23:40,951 INFO L175 Difference]: Start difference. First operand has 282 places, 279 transitions, 581 flow. Second operand 3 states and 884 transitions. [2024-11-13 16:23:40,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 278 transitions, 633 flow [2024-11-13 16:23:40,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 278 transitions, 631 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:23:40,957 INFO L231 Difference]: Finished difference. Result has 282 places, 278 transitions, 581 flow [2024-11-13 16:23:40,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=282, PETRI_TRANSITIONS=278} [2024-11-13 16:23:40,958 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-13 16:23:40,958 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 278 transitions, 581 flow [2024-11-13 16:23:40,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 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 16:23:40,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:40,959 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] [2024-11-13 16:23:40,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:23:40,959 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:40,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1870103037, now seen corresponding path program 1 times [2024-11-13 16:23:40,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:40,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079605304] [2024-11-13 16:23:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:40,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:41,012 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 16:23:41,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:41,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079605304] [2024-11-13 16:23:41,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079605304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:41,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:41,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:41,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791416243] [2024-11-13 16:23:41,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:41,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:41,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:41,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:41,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:41,034 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-13 16:23:41,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 278 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:41,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:41,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-13 16:23:41,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:41,483 INFO L124 PetriNetUnfolderBase]: 851/2197 cut-off events. [2024-11-13 16:23:41,483 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-13 16:23:41,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3814 conditions, 2197 events. 851/2197 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15184 event pairs, 719 based on Foata normal form. 0/2018 useless extension candidates. Maximal degree in co-relation 3774. Up to 1238 conditions per place. [2024-11-13 16:23:41,497 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 26 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2024-11-13 16:23:41,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 277 transitions, 635 flow [2024-11-13 16:23:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-13 16:23:41,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-13 16:23:41,500 INFO L175 Difference]: Start difference. First operand has 282 places, 278 transitions, 581 flow. Second operand 3 states and 882 transitions. [2024-11-13 16:23:41,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 277 transitions, 635 flow [2024-11-13 16:23:41,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 277 transitions, 631 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:41,504 INFO L231 Difference]: Finished difference. Result has 281 places, 277 transitions, 579 flow [2024-11-13 16:23:41,505 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=579, PETRI_PLACES=281, PETRI_TRANSITIONS=277} [2024-11-13 16:23:41,505 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -68 predicate places. [2024-11-13 16:23:41,505 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 277 transitions, 579 flow [2024-11-13 16:23:41,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 0 states have call successors, (0), 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 16:23:41,506 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:41,506 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 16:23:41,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:23:41,507 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:41,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:41,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2074740906, now seen corresponding path program 1 times [2024-11-13 16:23:41,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:41,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862184294] [2024-11-13 16:23:41,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:41,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:41,546 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 16:23:41,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:41,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862184294] [2024-11-13 16:23:41,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862184294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:41,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:41,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:41,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992652466] [2024-11-13 16:23:41,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:41,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:41,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:41,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:41,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:41,557 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-13 16:23:41,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 277 transitions, 579 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 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 16:23:41,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:41,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-13 16:23:41,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:41,976 INFO L124 PetriNetUnfolderBase]: 851/2196 cut-off events. [2024-11-13 16:23:41,976 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-13 16:23:41,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3807 conditions, 2196 events. 851/2196 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15199 event pairs, 719 based on Foata normal form. 0/2018 useless extension candidates. Maximal degree in co-relation 3768. Up to 1232 conditions per place. [2024-11-13 16:23:41,996 INFO L140 encePairwiseOnDemand]: 372/374 looper letters, 24 selfloop transitions, 1 changer transitions 0/276 dead transitions. [2024-11-13 16:23:41,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 276 transitions, 627 flow [2024-11-13 16:23:41,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-13 16:23:41,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7941176470588235 [2024-11-13 16:23:41,999 INFO L175 Difference]: Start difference. First operand has 281 places, 277 transitions, 579 flow. Second operand 3 states and 891 transitions. [2024-11-13 16:23:41,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 276 transitions, 627 flow [2024-11-13 16:23:42,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 276 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:42,005 INFO L231 Difference]: Finished difference. Result has 280 places, 276 transitions, 575 flow [2024-11-13 16:23:42,006 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=280, PETRI_TRANSITIONS=276} [2024-11-13 16:23:42,008 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -69 predicate places. [2024-11-13 16:23:42,008 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 276 transitions, 575 flow [2024-11-13 16:23:42,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 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 16:23:42,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:42,009 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] [2024-11-13 16:23:42,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:23:42,009 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:42,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:42,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1873574364, now seen corresponding path program 1 times [2024-11-13 16:23:42,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:42,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287333753] [2024-11-13 16:23:42,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:42,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:42,874 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 16:23:42,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:42,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287333753] [2024-11-13 16:23:42,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287333753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:42,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:42,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:23:42,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057943991] [2024-11-13 16:23:42,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:42,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:23:42,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:42,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:23:42,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:23:43,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 374 [2024-11-13 16:23:43,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 276 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 266.5) internal successors, (1599), 6 states have internal predecessors, (1599), 0 states have call successors, (0), 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 16:23:43,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:43,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 374 [2024-11-13 16:23:43,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:43,550 INFO L124 PetriNetUnfolderBase]: 851/2194 cut-off events. [2024-11-13 16:23:43,550 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-13 16:23:43,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3827 conditions, 2194 events. 851/2194 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15148 event pairs, 719 based on Foata normal form. 0/2018 useless extension candidates. Maximal degree in co-relation 3788. Up to 1247 conditions per place. [2024-11-13 16:23:43,563 INFO L140 encePairwiseOnDemand]: 362/374 looper letters, 38 selfloop transitions, 10 changer transitions 0/274 dead transitions. [2024-11-13 16:23:43,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 274 transitions, 667 flow [2024-11-13 16:23:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:23:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:23:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1638 transitions. [2024-11-13 16:23:43,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7299465240641712 [2024-11-13 16:23:43,567 INFO L175 Difference]: Start difference. First operand has 280 places, 276 transitions, 575 flow. Second operand 6 states and 1638 transitions. [2024-11-13 16:23:43,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 274 transitions, 667 flow [2024-11-13 16:23:43,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 274 transitions, 666 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:23:43,572 INFO L231 Difference]: Finished difference. Result has 282 places, 274 transitions, 590 flow [2024-11-13 16:23:43,573 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=590, PETRI_PLACES=282, PETRI_TRANSITIONS=274} [2024-11-13 16:23:43,574 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-13 16:23:43,574 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 274 transitions, 590 flow [2024-11-13 16:23:43,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 266.5) internal successors, (1599), 6 states have internal predecessors, (1599), 0 states have call successors, (0), 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 16:23:43,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:43,575 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] [2024-11-13 16:23:43,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:23:43,575 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:43,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:43,576 INFO L85 PathProgramCache]: Analyzing trace with hash -486524206, now seen corresponding path program 1 times [2024-11-13 16:23:43,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:43,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947547290] [2024-11-13 16:23:43,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:43,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:43,633 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 16:23:43,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:43,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947547290] [2024-11-13 16:23:43,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947547290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:43,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:43,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:43,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59069001] [2024-11-13 16:23:43,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:43,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:43,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:43,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:43,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:43,647 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-11-13 16:23:43,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 274 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 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 16:23:43,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:43,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-11-13 16:23:43,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:44,143 INFO L124 PetriNetUnfolderBase]: 851/2193 cut-off events. [2024-11-13 16:23:44,143 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-13 16:23:44,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3815 conditions, 2193 events. 851/2193 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15217 event pairs, 719 based on Foata normal form. 0/2018 useless extension candidates. Maximal degree in co-relation 3780. Up to 1234 conditions per place. [2024-11-13 16:23:44,159 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2024-11-13 16:23:44,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 273 transitions, 642 flow [2024-11-13 16:23:44,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-13 16:23:44,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-11-13 16:23:44,162 INFO L175 Difference]: Start difference. First operand has 282 places, 274 transitions, 590 flow. Second operand 3 states and 884 transitions. [2024-11-13 16:23:44,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 273 transitions, 642 flow [2024-11-13 16:23:44,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 273 transitions, 622 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:23:44,168 INFO L231 Difference]: Finished difference. Result has 278 places, 273 transitions, 572 flow [2024-11-13 16:23:44,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=278, PETRI_TRANSITIONS=273} [2024-11-13 16:23:44,170 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -71 predicate places. [2024-11-13 16:23:44,170 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 273 transitions, 572 flow [2024-11-13 16:23:44,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 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 16:23:44,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:44,171 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 16:23:44,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 16:23:44,171 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:44,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:44,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1572142924, now seen corresponding path program 1 times [2024-11-13 16:23:44,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:44,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465140920] [2024-11-13 16:23:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:44,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:44,238 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 16:23:44,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:44,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465140920] [2024-11-13 16:23:44,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465140920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:44,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:44,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:44,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691363747] [2024-11-13 16:23:44,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:44,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:44,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:44,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:44,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-13 16:23:44,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 273 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 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 16:23:44,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:44,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-13 16:23:44,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:44,725 INFO L124 PetriNetUnfolderBase]: 851/2192 cut-off events. [2024-11-13 16:23:44,726 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-13 16:23:44,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 2192 events. 851/2192 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15214 event pairs, 719 based on Foata normal form. 0/2018 useless extension candidates. Maximal degree in co-relation 3765. Up to 1232 conditions per place. [2024-11-13 16:23:44,740 INFO L140 encePairwiseOnDemand]: 372/374 looper letters, 24 selfloop transitions, 1 changer transitions 0/272 dead transitions. [2024-11-13 16:23:44,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 272 transitions, 620 flow [2024-11-13 16:23:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:44,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-13 16:23:44,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7941176470588235 [2024-11-13 16:23:44,743 INFO L175 Difference]: Start difference. First operand has 278 places, 273 transitions, 572 flow. Second operand 3 states and 891 transitions. [2024-11-13 16:23:44,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 272 transitions, 620 flow [2024-11-13 16:23:44,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 272 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:44,749 INFO L231 Difference]: Finished difference. Result has 277 places, 272 transitions, 568 flow [2024-11-13 16:23:44,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=277, PETRI_TRANSITIONS=272} [2024-11-13 16:23:44,750 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -72 predicate places. [2024-11-13 16:23:44,751 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 272 transitions, 568 flow [2024-11-13 16:23:44,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 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 16:23:44,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:44,752 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:23:44,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:23:44,752 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:44,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:44,752 INFO L85 PathProgramCache]: Analyzing trace with hash 452784189, now seen corresponding path program 1 times [2024-11-13 16:23:44,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:44,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782374898] [2024-11-13 16:23:44,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:44,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:44,829 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 16:23:44,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:44,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782374898] [2024-11-13 16:23:44,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782374898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:44,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:44,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:44,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116699346] [2024-11-13 16:23:44,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:44,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:44,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:44,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:44,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:44,841 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-11-13 16:23:44,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 272 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 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 16:23:44,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:44,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-11-13 16:23:44,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:45,211 INFO L124 PetriNetUnfolderBase]: 851/2191 cut-off events. [2024-11-13 16:23:45,211 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-13 16:23:45,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 2191 events. 851/2191 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15210 event pairs, 719 based on Foata normal form. 0/2018 useless extension candidates. Maximal degree in co-relation 3764. Up to 1234 conditions per place. [2024-11-13 16:23:45,226 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2024-11-13 16:23:45,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 271 transitions, 620 flow [2024-11-13 16:23:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-13 16:23:45,229 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-11-13 16:23:45,229 INFO L175 Difference]: Start difference. First operand has 277 places, 272 transitions, 568 flow. Second operand 3 states and 884 transitions. [2024-11-13 16:23:45,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 271 transitions, 620 flow [2024-11-13 16:23:45,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 271 transitions, 619 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:23:45,233 INFO L231 Difference]: Finished difference. Result has 277 places, 271 transitions, 569 flow [2024-11-13 16:23:45,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=569, PETRI_PLACES=277, PETRI_TRANSITIONS=271} [2024-11-13 16:23:45,234 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -72 predicate places. [2024-11-13 16:23:45,234 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 271 transitions, 569 flow [2024-11-13 16:23:45,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 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 16:23:45,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:23:45,235 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:23:45,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:23:45,235 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-13 16:23:45,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:23:45,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1796195460, now seen corresponding path program 1 times [2024-11-13 16:23:45,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:23:45,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334993362] [2024-11-13 16:23:45,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:23:45,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:23:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:23:45,342 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 16:23:45,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:23:45,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334993362] [2024-11-13 16:23:45,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334993362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:23:45,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:23:45,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:23:45,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200136385] [2024-11-13 16:23:45,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:23:45,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:23:45,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:45,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:23:45,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:23:45,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-13 16:23:45,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 271 transitions, 569 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 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 16:23:45,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:23:45,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-13 16:23:45,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:23:45,907 INFO L124 PetriNetUnfolderBase]: 1357/2994 cut-off events. [2024-11-13 16:23:45,907 INFO L125 PetriNetUnfolderBase]: For 613/614 co-relation queries the response was YES. [2024-11-13 16:23:45,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5343 conditions, 2994 events. 1357/2994 cut-off events. For 613/614 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 20374 event pairs, 460 based on Foata normal form. 4/2780 useless extension candidates. Maximal degree in co-relation 5304. Up to 1440 conditions per place. [2024-11-13 16:23:45,916 INFO L140 encePairwiseOnDemand]: 366/374 looper letters, 0 selfloop transitions, 0 changer transitions 292/292 dead transitions. [2024-11-13 16:23:45,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 292 transitions, 718 flow [2024-11-13 16:23:45,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:23:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:23:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2024-11-13 16:23:45,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8110516934046346 [2024-11-13 16:23:45,919 INFO L175 Difference]: Start difference. First operand has 277 places, 271 transitions, 569 flow. Second operand 3 states and 910 transitions. [2024-11-13 16:23:45,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 292 transitions, 718 flow [2024-11-13 16:23:45,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 292 transitions, 714 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:23:45,923 INFO L231 Difference]: Finished difference. Result has 276 places, 0 transitions, 0 flow [2024-11-13 16:23:45,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=276, PETRI_TRANSITIONS=0} [2024-11-13 16:23:45,924 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -73 predicate places. [2024-11-13 16:23:45,924 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 0 transitions, 0 flow [2024-11-13 16:23:45,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 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 16:23:45,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (120 of 121 remaining) [2024-11-13 16:23:45,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (119 of 121 remaining) [2024-11-13 16:23:45,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (118 of 121 remaining) [2024-11-13 16:23:45,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (117 of 121 remaining) [2024-11-13 16:23:45,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (116 of 121 remaining) [2024-11-13 16:23:45,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (115 of 121 remaining) [2024-11-13 16:23:45,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (114 of 121 remaining) [2024-11-13 16:23:45,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (113 of 121 remaining) [2024-11-13 16:23:45,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 121 remaining) [2024-11-13 16:23:45,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (111 of 121 remaining) [2024-11-13 16:23:45,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (110 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (109 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (108 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (107 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (106 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (105 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (104 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (103 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (102 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (101 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (100 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (99 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (98 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (97 of 121 remaining) [2024-11-13 16:23:45,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (96 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (95 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (94 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (93 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (92 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (91 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (90 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (89 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (88 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (87 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (86 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (85 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (84 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (83 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (82 of 121 remaining) [2024-11-13 16:23:45,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (81 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (80 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (79 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (78 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (77 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (76 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (75 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (74 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (73 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (72 of 121 remaining) [2024-11-13 16:23:45,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (71 of 121 remaining) [2024-11-13 16:23:45,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 121 remaining) [2024-11-13 16:23:45,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (69 of 121 remaining) [2024-11-13 16:23:45,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (68 of 121 remaining) [2024-11-13 16:23:45,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (67 of 121 remaining) [2024-11-13 16:23:45,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (66 of 121 remaining) [2024-11-13 16:23:45,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (65 of 121 remaining) [2024-11-13 16:23:45,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (64 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (63 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (61 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (60 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (59 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (58 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (57 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (56 of 121 remaining) [2024-11-13 16:23:45,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (51 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (50 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (49 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 121 remaining) [2024-11-13 16:23:45,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (40 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (39 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 121 remaining) [2024-11-13 16:23:45,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (27 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (26 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (25 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (24 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (23 of 121 remaining) [2024-11-13 16:23:45,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (22 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (21 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (20 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (18 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (17 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (15 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (14 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (13 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (12 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (11 of 121 remaining) [2024-11-13 16:23:45,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (10 of 121 remaining) [2024-11-13 16:23:45,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (9 of 121 remaining) [2024-11-13 16:23:45,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 121 remaining) [2024-11-13 16:23:45,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 121 remaining) [2024-11-13 16:23:45,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 121 remaining) [2024-11-13 16:23:45,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (5 of 121 remaining) [2024-11-13 16:23:45,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (4 of 121 remaining) [2024-11-13 16:23:45,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (3 of 121 remaining) [2024-11-13 16:23:45,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (2 of 121 remaining) [2024-11-13 16:23:45,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 121 remaining) [2024-11-13 16:23:45,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (0 of 121 remaining) [2024-11-13 16:23:45,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 16:23:45,940 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:23:45,946 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:23:45,946 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:23:45,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:23:45 BasicIcfg [2024-11-13 16:23:45,954 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:23:45,954 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:23:45,954 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:23:45,954 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:23:45,955 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:23:34" (3/4) ... [2024-11-13 16:23:45,957 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:23:45,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 16:23:45,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 16:23:45,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 16:23:45,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-13 16:23:45,969 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-13 16:23:45,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:23:45,971 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 16:23:45,971 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:23:46,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:23:46,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:23:46,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:23:46,077 INFO L158 Benchmark]: Toolchain (without parser) took 13990.31ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 92.4MB in the beginning and 355.2MB in the end (delta: -262.7MB). Peak memory consumption was 151.7MB. Max. memory is 16.1GB. [2024-11-13 16:23:46,077 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:23:46,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.62ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:23:46,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.10ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:23:46,078 INFO L158 Benchmark]: Boogie Preprocessor took 41.41ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:23:46,079 INFO L158 Benchmark]: RCFGBuilder took 1604.97ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 65.7MB in the end (delta: 7.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2024-11-13 16:23:46,079 INFO L158 Benchmark]: TraceAbstraction took 11761.67ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 64.8MB in the beginning and 359.3MB in the end (delta: -294.5MB). Peak memory consumption was 318.7MB. Max. memory is 16.1GB. [2024-11-13 16:23:46,079 INFO L158 Benchmark]: Witness Printer took 122.15ms. Allocated memory is still 536.9MB. Free memory was 359.3MB in the beginning and 355.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:23:46,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.62ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.10ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.41ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1604.97ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 65.7MB in the end (delta: 7.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11761.67ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 64.8MB in the beginning and 359.3MB in the end (delta: -294.5MB). Peak memory consumption was 318.7MB. Max. memory is 16.1GB. * Witness Printer took 122.15ms. Allocated memory is still 536.9MB. Free memory was 359.3MB in the beginning and 355.2MB 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 68]: 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: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: 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: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: 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: 116]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 452 locations, 121 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: 11.5s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 360 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 949 IncrementalHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 62 mSDtfsCounter, 949 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=730occurred in iteration=0, InterpolantAutomatonStates: 54, 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, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1548 NumberOfCodeBlocks, 1548 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1531 ConstructedInterpolants, 0 QuantifiedInterpolants, 1678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 68 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 16:23:46,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ec1093-ec7a-451c-9187-5a63e5742b91/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