./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.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_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/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_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/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_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:24:58,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:24:58,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 16:24:58,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:24:58,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:24:58,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:24:58,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:24:58,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:24:58,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:24:58,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:24:58,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:24:58,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:24:58,194 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:24:58,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:24:58,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:24:58,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:24:58,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:24:58,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:24:58,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:24:58,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:24:58,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:24:58,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:24:58,197 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 16:24:58,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:24:58,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:24:58,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:24:58,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:24:58,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:24:58,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:24:58,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:24:58,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:24:58,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:24:58,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:24:58,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:24:58,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:24:58,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:24:58,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:24:58,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:24:58,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:24:58,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:24:58,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:24:58,201 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_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/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 -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-11-13 16:24:58,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:24:58,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:24:58,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:24:58,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:24:58,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:24:58,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c Unable to find full path for "g++" [2024-11-13 16:25:00,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:25:00,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:25:00,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-13 16:25:00,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/data/f996534ef/1dd1dda525364346bf4cf5e07a1d36f1/FLAGdcbc05fce [2024-11-13 16:25:00,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/data/f996534ef/1dd1dda525364346bf4cf5e07a1d36f1 [2024-11-13 16:25:00,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:25:00,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:25:00,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:25:00,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:25:00,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:25:00,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:25:00" (1/1) ... [2024-11-13 16:25:00,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a6c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:00, skipping insertion in model container [2024-11-13 16:25:00,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:25:00" (1/1) ... [2024-11-13 16:25:00,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:25:01,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:25:01,086 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:25:01,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:25:01,152 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:25:01,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01 WrapperNode [2024-11-13 16:25:01,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:25:01,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:25:01,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:25:01,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:25:01,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,252 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 413 [2024-11-13 16:25:01,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:25:01,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:25:01,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:25:01,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:25:01,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:25:01,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:25:01,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:25:01,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:25:01,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (1/1) ... [2024-11-13 16:25:01,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:25:01,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:01,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:25:01,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:25:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:25:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 16:25:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 16:25:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 16:25:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 16:25:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 16:25:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 16:25:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:25:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:25:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 16:25:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 16:25:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:25:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:25:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:25:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:25:01,433 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 16:25:01,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:25:01,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:25:02,482 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:25:02,482 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:25:02,851 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:25:02,855 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 16:25:02,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:25:02 BoogieIcfgContainer [2024-11-13 16:25:02,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:25:02,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:25:02,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:25:02,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:25:02,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:25:00" (1/3) ... [2024-11-13 16:25:02,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c65806f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:25:02, skipping insertion in model container [2024-11-13 16:25:02,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:01" (2/3) ... [2024-11-13 16:25:02,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c65806f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:25:02, skipping insertion in model container [2024-11-13 16:25:02,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:25:02" (3/3) ... [2024-11-13 16:25:02,869 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-11-13 16:25:02,886 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:25:02,888 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product.wvr.c that has 4 procedures, 388 locations, 1 initial locations, 8 loop locations, and 45 error locations. [2024-11-13 16:25:02,888 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:25:03,058 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 16:25:03,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 397 places, 413 transitions, 847 flow [2024-11-13 16:25:03,339 INFO L124 PetriNetUnfolderBase]: 26/410 cut-off events. [2024-11-13 16:25:03,341 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 16:25:03,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 410 events. 26/410 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 816 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 322. Up to 2 conditions per place. [2024-11-13 16:25:03,361 INFO L82 GeneralOperation]: Start removeDead. Operand has 397 places, 413 transitions, 847 flow [2024-11-13 16:25:03,374 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 378 places, 393 transitions, 804 flow [2024-11-13 16:25:03,386 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:25:03,402 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;@65b67553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:25:03,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-11-13 16:25:03,412 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:25:03,412 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-13 16:25:03,413 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:25:03,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:03,415 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:03,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:03,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:03,420 INFO L85 PathProgramCache]: Analyzing trace with hash 379710345, now seen corresponding path program 1 times [2024-11-13 16:25:03,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:03,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911991931] [2024-11-13 16:25:03,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:03,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:03,648 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 16:25:03,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:03,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911991931] [2024-11-13 16:25:03,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911991931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:03,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:03,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:03,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622423154] [2024-11-13 16:25:03,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:03,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:03,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:03,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:03,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:03,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-11-13 16:25:03,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 393 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 0 states have call successors, (0), 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 16:25:03,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:03,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-11-13 16:25:03,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:04,208 INFO L124 PetriNetUnfolderBase]: 75/1119 cut-off events. [2024-11-13 16:25:04,209 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-13 16:25:04,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 1119 events. 75/1119 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5972 event pairs, 38 based on Foata normal form. 80/1016 useless extension candidates. Maximal degree in co-relation 712. Up to 92 conditions per place. [2024-11-13 16:25:04,226 INFO L140 encePairwiseOnDemand]: 382/413 looper letters, 16 selfloop transitions, 2 changer transitions 5/364 dead transitions. [2024-11-13 16:25:04,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 364 transitions, 782 flow [2024-11-13 16:25:04,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-13 16:25:04,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9168684422921711 [2024-11-13 16:25:04,251 INFO L175 Difference]: Start difference. First operand has 378 places, 393 transitions, 804 flow. Second operand 3 states and 1136 transitions. [2024-11-13 16:25:04,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 364 transitions, 782 flow [2024-11-13 16:25:04,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 364 transitions, 770 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-13 16:25:04,273 INFO L231 Difference]: Finished difference. Result has 361 places, 359 transitions, 728 flow [2024-11-13 16:25:04,278 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=361, PETRI_TRANSITIONS=359} [2024-11-13 16:25:04,282 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -17 predicate places. [2024-11-13 16:25:04,284 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 359 transitions, 728 flow [2024-11-13 16:25:04,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 0 states have call successors, (0), 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 16:25:04,285 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:04,285 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:04,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:25:04,286 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:04,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:04,287 INFO L85 PathProgramCache]: Analyzing trace with hash 410844969, now seen corresponding path program 1 times [2024-11-13 16:25:04,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:04,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754640243] [2024-11-13 16:25:04,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:04,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:04,364 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 16:25:04,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:04,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754640243] [2024-11-13 16:25:04,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754640243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:04,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:04,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:04,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875488945] [2024-11-13 16:25:04,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:04,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:04,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:04,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:04,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:04,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-11-13 16:25:04,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 359 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 0 states have call successors, (0), 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 16:25:04,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:04,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-11-13 16:25:04,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:04,731 INFO L124 PetriNetUnfolderBase]: 62/847 cut-off events. [2024-11-13 16:25:04,732 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-13 16:25:04,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 847 events. 62/847 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3749 event pairs, 34 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 916. Up to 85 conditions per place. [2024-11-13 16:25:04,743 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 16 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-13 16:25:04,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 762 flow [2024-11-13 16:25:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:04,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1108 transitions. [2024-11-13 16:25:04,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942695722356739 [2024-11-13 16:25:04,747 INFO L175 Difference]: Start difference. First operand has 361 places, 359 transitions, 728 flow. Second operand 3 states and 1108 transitions. [2024-11-13 16:25:04,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 762 flow [2024-11-13 16:25:04,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 358 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:25:04,758 INFO L231 Difference]: Finished difference. Result has 355 places, 358 transitions, 726 flow [2024-11-13 16:25:04,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=355, PETRI_TRANSITIONS=358} [2024-11-13 16:25:04,761 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -23 predicate places. [2024-11-13 16:25:04,762 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 358 transitions, 726 flow [2024-11-13 16:25:04,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 0 states have call successors, (0), 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 16:25:04,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:04,763 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:04,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:25:04,763 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:04,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:04,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1199954076, now seen corresponding path program 1 times [2024-11-13 16:25:04,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:04,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711636108] [2024-11-13 16:25:04,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:04,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:04,868 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 16:25:04,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:04,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711636108] [2024-11-13 16:25:04,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711636108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:04,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:04,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:04,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521446580] [2024-11-13 16:25:04,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:04,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:04,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:04,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:04,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:04,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-11-13 16:25:04,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 358 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 0 states have call successors, (0), 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 16:25:04,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:04,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-11-13 16:25:04,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:05,226 INFO L124 PetriNetUnfolderBase]: 85/1023 cut-off events. [2024-11-13 16:25:05,226 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-13 16:25:05,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 1023 events. 85/1023 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5445 event pairs, 56 based on Foata normal form. 0/867 useless extension candidates. Maximal degree in co-relation 1115. Up to 113 conditions per place. [2024-11-13 16:25:05,239 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 16 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-13 16:25:05,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 357 transitions, 760 flow [2024-11-13 16:25:05,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1108 transitions. [2024-11-13 16:25:05,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942695722356739 [2024-11-13 16:25:05,244 INFO L175 Difference]: Start difference. First operand has 355 places, 358 transitions, 726 flow. Second operand 3 states and 1108 transitions. [2024-11-13 16:25:05,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 357 transitions, 760 flow [2024-11-13 16:25:05,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 357 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:25:05,253 INFO L231 Difference]: Finished difference. Result has 354 places, 357 transitions, 724 flow [2024-11-13 16:25:05,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=354, PETRI_TRANSITIONS=357} [2024-11-13 16:25:05,255 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -24 predicate places. [2024-11-13 16:25:05,255 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 357 transitions, 724 flow [2024-11-13 16:25:05,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 0 states have call successors, (0), 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 16:25:05,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:05,256 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] [2024-11-13 16:25:05,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:25:05,257 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:05,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:05,257 INFO L85 PathProgramCache]: Analyzing trace with hash -342689005, now seen corresponding path program 1 times [2024-11-13 16:25:05,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:05,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359111888] [2024-11-13 16:25:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:05,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:05,306 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 16:25:05,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:05,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359111888] [2024-11-13 16:25:05,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359111888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:05,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:05,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:05,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659921638] [2024-11-13 16:25:05,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:05,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:05,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:05,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:05,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:05,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-13 16:25:05,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 357 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 16:25:05,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:05,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-13 16:25:05,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:05,656 INFO L124 PetriNetUnfolderBase]: 99/1075 cut-off events. [2024-11-13 16:25:05,656 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-13 16:25:05,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1229 conditions, 1075 events. 99/1075 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5637 event pairs, 59 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 1181. Up to 135 conditions per place. [2024-11-13 16:25:05,667 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/353 dead transitions. [2024-11-13 16:25:05,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 353 transitions, 752 flow [2024-11-13 16:25:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-11-13 16:25:05,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-11-13 16:25:05,671 INFO L175 Difference]: Start difference. First operand has 354 places, 357 transitions, 724 flow. Second operand 3 states and 1105 transitions. [2024-11-13 16:25:05,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 353 transitions, 752 flow [2024-11-13 16:25:05,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 353 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:25:05,677 INFO L231 Difference]: Finished difference. Result has 350 places, 353 transitions, 714 flow [2024-11-13 16:25:05,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=714, PETRI_PLACES=350, PETRI_TRANSITIONS=353} [2024-11-13 16:25:05,679 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -28 predicate places. [2024-11-13 16:25:05,680 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 353 transitions, 714 flow [2024-11-13 16:25:05,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 16:25:05,681 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:05,681 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 16:25:05,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:25:05,681 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:05,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:05,682 INFO L85 PathProgramCache]: Analyzing trace with hash -73778378, now seen corresponding path program 1 times [2024-11-13 16:25:05,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:05,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66578229] [2024-11-13 16:25:05,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:05,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:06,441 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 16:25:06,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:06,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66578229] [2024-11-13 16:25:06,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66578229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:06,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:06,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:25:06,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590623654] [2024-11-13 16:25:06,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:06,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:25:06,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:06,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:25:06,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:25:06,864 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 413 [2024-11-13 16:25:06,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 353 transitions, 714 flow. Second operand has 6 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 0 states have call successors, (0), 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 16:25:06,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:06,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 413 [2024-11-13 16:25:06,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:09,421 INFO L124 PetriNetUnfolderBase]: 2877/11731 cut-off events. [2024-11-13 16:25:09,423 INFO L125 PetriNetUnfolderBase]: For 219/219 co-relation queries the response was YES. [2024-11-13 16:25:09,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15888 conditions, 11731 events. 2877/11731 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 125257 event pairs, 2079 based on Foata normal form. 0/9808 useless extension candidates. Maximal degree in co-relation 15841. Up to 4033 conditions per place. [2024-11-13 16:25:09,535 INFO L140 encePairwiseOnDemand]: 401/413 looper letters, 49 selfloop transitions, 10 changer transitions 0/351 dead transitions. [2024-11-13 16:25:09,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 351 transitions, 828 flow [2024-11-13 16:25:09,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:25:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:25:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1993 transitions. [2024-11-13 16:25:09,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8042776432606941 [2024-11-13 16:25:09,542 INFO L175 Difference]: Start difference. First operand has 350 places, 353 transitions, 714 flow. Second operand 6 states and 1993 transitions. [2024-11-13 16:25:09,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 351 transitions, 828 flow [2024-11-13 16:25:09,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 351 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:25:09,549 INFO L231 Difference]: Finished difference. Result has 352 places, 351 transitions, 729 flow [2024-11-13 16:25:09,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=709, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=729, PETRI_PLACES=352, PETRI_TRANSITIONS=351} [2024-11-13 16:25:09,551 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -26 predicate places. [2024-11-13 16:25:09,551 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 351 transitions, 729 flow [2024-11-13 16:25:09,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 0 states have call successors, (0), 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 16:25:09,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:09,553 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 16:25:09,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:25:09,553 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:09,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:09,554 INFO L85 PathProgramCache]: Analyzing trace with hash -268961863, now seen corresponding path program 1 times [2024-11-13 16:25:09,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:09,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019900663] [2024-11-13 16:25:09,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:09,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:09,617 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 16:25:09,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:09,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019900663] [2024-11-13 16:25:09,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019900663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:09,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:09,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:09,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435011531] [2024-11-13 16:25:09,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:09,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:09,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:09,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:09,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:09,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-13 16:25:09,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 351 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 362.3333333333333) internal successors, (1087), 3 states have internal predecessors, (1087), 0 states have call successors, (0), 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 16:25:09,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:09,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-13 16:25:09,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:10,043 INFO L124 PetriNetUnfolderBase]: 180/1568 cut-off events. [2024-11-13 16:25:10,043 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 16:25:10,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1848 conditions, 1568 events. 180/1568 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10371 event pairs, 135 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 1815. Up to 244 conditions per place. [2024-11-13 16:25:10,057 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 18 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2024-11-13 16:25:10,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 350 transitions, 767 flow [2024-11-13 16:25:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1104 transitions. [2024-11-13 16:25:10,061 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8910411622276029 [2024-11-13 16:25:10,061 INFO L175 Difference]: Start difference. First operand has 352 places, 351 transitions, 729 flow. Second operand 3 states and 1104 transitions. [2024-11-13 16:25:10,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 350 transitions, 767 flow [2024-11-13 16:25:10,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 350 transitions, 747 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:25:10,068 INFO L231 Difference]: Finished difference. Result has 348 places, 350 transitions, 711 flow [2024-11-13 16:25:10,069 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=711, PETRI_PLACES=348, PETRI_TRANSITIONS=350} [2024-11-13 16:25:10,070 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -30 predicate places. [2024-11-13 16:25:10,070 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 350 transitions, 711 flow [2024-11-13 16:25:10,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.3333333333333) internal successors, (1087), 3 states have internal predecessors, (1087), 0 states have call successors, (0), 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 16:25:10,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:10,071 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 16:25:10,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:25:10,071 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:10,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:10,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1057422364, now seen corresponding path program 1 times [2024-11-13 16:25:10,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:10,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434398997] [2024-11-13 16:25:10,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:10,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:10,124 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 16:25:10,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:10,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434398997] [2024-11-13 16:25:10,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434398997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:10,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:10,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:10,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750486454] [2024-11-13 16:25:10,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:10,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:10,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:10,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:10,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:10,146 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-13 16:25:10,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 350 transitions, 711 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 16:25:10,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:10,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-13 16:25:10,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:10,685 INFO L124 PetriNetUnfolderBase]: 267/2525 cut-off events. [2024-11-13 16:25:10,686 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-13 16:25:10,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2875 conditions, 2525 events. 267/2525 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 19639 event pairs, 135 based on Foata normal form. 0/2143 useless extension candidates. Maximal degree in co-relation 2827. Up to 322 conditions per place. [2024-11-13 16:25:10,706 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/346 dead transitions. [2024-11-13 16:25:10,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 346 transitions, 739 flow [2024-11-13 16:25:10,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-11-13 16:25:10,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-11-13 16:25:10,710 INFO L175 Difference]: Start difference. First operand has 348 places, 350 transitions, 711 flow. Second operand 3 states and 1105 transitions. [2024-11-13 16:25:10,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 346 transitions, 739 flow [2024-11-13 16:25:10,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 346 transitions, 735 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:25:10,716 INFO L231 Difference]: Finished difference. Result has 344 places, 346 transitions, 701 flow [2024-11-13 16:25:10,716 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=701, PETRI_PLACES=344, PETRI_TRANSITIONS=346} [2024-11-13 16:25:10,720 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -34 predicate places. [2024-11-13 16:25:10,720 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 346 transitions, 701 flow [2024-11-13 16:25:10,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 16:25:10,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:10,721 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] [2024-11-13 16:25:10,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:25:10,721 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:10,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:10,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1957725854, now seen corresponding path program 1 times [2024-11-13 16:25:10,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:10,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159876174] [2024-11-13 16:25:10,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:10,810 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 16:25:10,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:10,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159876174] [2024-11-13 16:25:10,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159876174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:10,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:10,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:10,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158776106] [2024-11-13 16:25:10,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:10,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:10,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:10,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:10,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:10,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 413 [2024-11-13 16:25:10,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 346 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 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 16:25:10,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:10,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 413 [2024-11-13 16:25:10,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:10,941 INFO L124 PetriNetUnfolderBase]: 32/597 cut-off events. [2024-11-13 16:25:10,941 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 16:25:10,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 597 events. 32/597 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1966 event pairs, 15 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 602. Up to 40 conditions per place. [2024-11-13 16:25:10,946 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 12 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2024-11-13 16:25:10,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 345 transitions, 727 flow [2024-11-13 16:25:10,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:10,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1116 transitions. [2024-11-13 16:25:10,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007263922518159 [2024-11-13 16:25:10,949 INFO L175 Difference]: Start difference. First operand has 344 places, 346 transitions, 701 flow. Second operand 3 states and 1116 transitions. [2024-11-13 16:25:10,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 345 transitions, 727 flow [2024-11-13 16:25:10,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 345 transitions, 726 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:25:10,956 INFO L231 Difference]: Finished difference. Result has 344 places, 345 transitions, 702 flow [2024-11-13 16:25:10,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=344, PETRI_TRANSITIONS=345} [2024-11-13 16:25:10,960 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -34 predicate places. [2024-11-13 16:25:10,961 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 345 transitions, 702 flow [2024-11-13 16:25:10,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 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 16:25:10,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:10,962 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] [2024-11-13 16:25:10,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:25:10,965 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:10,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash 124324410, now seen corresponding path program 1 times [2024-11-13 16:25:10,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:10,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370300485] [2024-11-13 16:25:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:10,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:11,043 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 16:25:11,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:11,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370300485] [2024-11-13 16:25:11,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370300485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:11,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:11,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:11,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64693070] [2024-11-13 16:25:11,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:11,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:11,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:11,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:11,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:11,077 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-13 16:25:11,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 345 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 16:25:11,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:11,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-13 16:25:11,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:11,296 INFO L124 PetriNetUnfolderBase]: 123/1366 cut-off events. [2024-11-13 16:25:11,296 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-13 16:25:11,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1535 conditions, 1366 events. 123/1366 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8484 event pairs, 71 based on Foata normal form. 0/1189 useless extension candidates. Maximal degree in co-relation 1487. Up to 150 conditions per place. [2024-11-13 16:25:11,307 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/341 dead transitions. [2024-11-13 16:25:11,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 341 transitions, 730 flow [2024-11-13 16:25:11,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:11,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-11-13 16:25:11,312 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-11-13 16:25:11,312 INFO L175 Difference]: Start difference. First operand has 344 places, 345 transitions, 702 flow. Second operand 3 states and 1105 transitions. [2024-11-13 16:25:11,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 341 transitions, 730 flow [2024-11-13 16:25:11,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 341 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:25:11,318 INFO L231 Difference]: Finished difference. Result has 340 places, 341 transitions, 692 flow [2024-11-13 16:25:11,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=340, PETRI_TRANSITIONS=341} [2024-11-13 16:25:11,319 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -38 predicate places. [2024-11-13 16:25:11,319 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 341 transitions, 692 flow [2024-11-13 16:25:11,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 16:25:11,320 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:11,320 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] [2024-11-13 16:25:11,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:25:11,321 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:11,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:11,322 INFO L85 PathProgramCache]: Analyzing trace with hash 982447403, now seen corresponding path program 1 times [2024-11-13 16:25:11,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:11,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767047549] [2024-11-13 16:25:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:11,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:11,405 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 16:25:11,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:11,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767047549] [2024-11-13 16:25:11,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767047549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:11,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:11,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:11,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367798833] [2024-11-13 16:25:11,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:11,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:11,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:11,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:11,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:11,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 413 [2024-11-13 16:25:11,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 341 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 0 states have call successors, (0), 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 16:25:11,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:11,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 413 [2024-11-13 16:25:11,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:12,118 INFO L124 PetriNetUnfolderBase]: 771/4413 cut-off events. [2024-11-13 16:25:12,118 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-13 16:25:12,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5495 conditions, 4413 events. 771/4413 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 39591 event pairs, 325 based on Foata normal form. 0/3896 useless extension candidates. Maximal degree in co-relation 5448. Up to 1026 conditions per place. [2024-11-13 16:25:12,147 INFO L140 encePairwiseOnDemand]: 404/413 looper letters, 27 selfloop transitions, 3 changer transitions 0/343 dead transitions. [2024-11-13 16:25:12,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 343 transitions, 761 flow [2024-11-13 16:25:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2024-11-13 16:25:12,151 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8886198547215496 [2024-11-13 16:25:12,151 INFO L175 Difference]: Start difference. First operand has 340 places, 341 transitions, 692 flow. Second operand 3 states and 1101 transitions. [2024-11-13 16:25:12,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 343 transitions, 761 flow [2024-11-13 16:25:12,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 343 transitions, 760 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:25:12,158 INFO L231 Difference]: Finished difference. Result has 336 places, 338 transitions, 700 flow [2024-11-13 16:25:12,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=336, PETRI_TRANSITIONS=338} [2024-11-13 16:25:12,159 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -42 predicate places. [2024-11-13 16:25:12,159 INFO L471 AbstractCegarLoop]: Abstraction has has 336 places, 338 transitions, 700 flow [2024-11-13 16:25:12,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 0 states have call successors, (0), 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 16:25:12,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:12,160 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] [2024-11-13 16:25:12,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:25:12,161 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:12,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:12,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1508973137, now seen corresponding path program 1 times [2024-11-13 16:25:12,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:12,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577477015] [2024-11-13 16:25:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:12,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:12,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:12,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577477015] [2024-11-13 16:25:12,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577477015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:12,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:12,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:25:12,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386296500] [2024-11-13 16:25:12,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:12,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:25:12,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:12,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:25:12,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:25:12,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 413 [2024-11-13 16:25:12,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 338 transitions, 700 flow. Second operand has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 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 16:25:12,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:12,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 413 [2024-11-13 16:25:12,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:13,209 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1432] thread3EXIT-->L104: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][344], [Black: 430#true, 432#(= |#race~A~0| 0), 411#(= |#race~N~0| 0), 423#(= |#race~size~0| 0), 429#(= |#race~M~0| 0), 434#true, 203#L104true]) [2024-11-13 16:25:13,210 INFO L294 olderBase$Statistics]: this new event has 288 ancestors and is cut-off event [2024-11-13 16:25:13,210 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-13 16:25:13,210 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-13 16:25:13,210 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-13 16:25:13,223 INFO L124 PetriNetUnfolderBase]: 219/2183 cut-off events. [2024-11-13 16:25:13,223 INFO L125 PetriNetUnfolderBase]: For 20/45 co-relation queries the response was YES. [2024-11-13 16:25:13,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2591 conditions, 2183 events. 219/2183 cut-off events. For 20/45 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15209 event pairs, 79 based on Foata normal form. 9/1979 useless extension candidates. Maximal degree in co-relation 2542. Up to 187 conditions per place. [2024-11-13 16:25:13,245 INFO L140 encePairwiseOnDemand]: 400/413 looper letters, 47 selfloop transitions, 14 changer transitions 0/366 dead transitions. [2024-11-13 16:25:13,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 366 transitions, 886 flow [2024-11-13 16:25:13,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:25:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 16:25:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3562 transitions. [2024-11-13 16:25:13,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8624697336561743 [2024-11-13 16:25:13,257 INFO L175 Difference]: Start difference. First operand has 336 places, 338 transitions, 700 flow. Second operand 10 states and 3562 transitions. [2024-11-13 16:25:13,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 366 transitions, 886 flow [2024-11-13 16:25:13,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 366 transitions, 886 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:25:13,264 INFO L231 Difference]: Finished difference. Result has 349 places, 345 transitions, 766 flow [2024-11-13 16:25:13,265 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=766, PETRI_PLACES=349, PETRI_TRANSITIONS=345} [2024-11-13 16:25:13,265 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -29 predicate places. [2024-11-13 16:25:13,265 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 345 transitions, 766 flow [2024-11-13 16:25:13,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 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 16:25:13,267 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:13,267 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] [2024-11-13 16:25:13,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:25:13,268 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:13,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:13,269 INFO L85 PathProgramCache]: Analyzing trace with hash 436869121, now seen corresponding path program 1 times [2024-11-13 16:25:13,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:13,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345896953] [2024-11-13 16:25:13,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:13,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:13,485 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 16:25:13,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:13,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345896953] [2024-11-13 16:25:13,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345896953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:13,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:13,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:25:13,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571477434] [2024-11-13 16:25:13,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:13,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:25:13,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:13,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:25:13,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:25:13,574 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-13 16:25:13,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 345 transitions, 766 flow. Second operand has 5 states, 5 states have (on average 363.0) internal successors, (1815), 5 states have internal predecessors, (1815), 0 states have call successors, (0), 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 16:25:13,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:13,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-13 16:25:13,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:14,133 INFO L124 PetriNetUnfolderBase]: 337/2694 cut-off events. [2024-11-13 16:25:14,134 INFO L125 PetriNetUnfolderBase]: For 101/147 co-relation queries the response was YES. [2024-11-13 16:25:14,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3347 conditions, 2694 events. 337/2694 cut-off events. For 101/147 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 19167 event pairs, 129 based on Foata normal form. 18/2423 useless extension candidates. Maximal degree in co-relation 3289. Up to 327 conditions per place. [2024-11-13 16:25:14,159 INFO L140 encePairwiseOnDemand]: 407/413 looper letters, 31 selfloop transitions, 5 changer transitions 0/360 dead transitions. [2024-11-13 16:25:14,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 360 transitions, 876 flow [2024-11-13 16:25:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:25:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 16:25:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1842 transitions. [2024-11-13 16:25:14,164 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8920096852300242 [2024-11-13 16:25:14,164 INFO L175 Difference]: Start difference. First operand has 349 places, 345 transitions, 766 flow. Second operand 5 states and 1842 transitions. [2024-11-13 16:25:14,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 360 transitions, 876 flow [2024-11-13 16:25:14,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 360 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:25:14,172 INFO L231 Difference]: Finished difference. Result has 354 places, 347 transitions, 787 flow [2024-11-13 16:25:14,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=787, PETRI_PLACES=354, PETRI_TRANSITIONS=347} [2024-11-13 16:25:14,174 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -24 predicate places. [2024-11-13 16:25:14,174 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 347 transitions, 787 flow [2024-11-13 16:25:14,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 363.0) internal successors, (1815), 5 states have internal predecessors, (1815), 0 states have call successors, (0), 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 16:25:14,175 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:14,175 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] [2024-11-13 16:25:14,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:25:14,176 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:14,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:14,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1090705449, now seen corresponding path program 1 times [2024-11-13 16:25:14,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:14,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376296017] [2024-11-13 16:25:14,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:14,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:14,770 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 16:25:14,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:14,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376296017] [2024-11-13 16:25:14,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376296017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:14,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:14,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:25:14,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930000330] [2024-11-13 16:25:14,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:14,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:25:14,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:14,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:25:14,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:25:15,274 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-11-13 16:25:15,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 347 transitions, 787 flow. Second operand has 6 states, 6 states have (on average 350.6666666666667) internal successors, (2104), 6 states have internal predecessors, (2104), 0 states have call successors, (0), 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 16:25:15,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:15,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-11-13 16:25:15,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:15,927 INFO L124 PetriNetUnfolderBase]: 511/2768 cut-off events. [2024-11-13 16:25:15,927 INFO L125 PetriNetUnfolderBase]: For 302/356 co-relation queries the response was YES. [2024-11-13 16:25:15,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3872 conditions, 2768 events. 511/2768 cut-off events. For 302/356 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 21205 event pairs, 110 based on Foata normal form. 4/2460 useless extension candidates. Maximal degree in co-relation 3815. Up to 332 conditions per place. [2024-11-13 16:25:15,958 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 45 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-11-13 16:25:15,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 361 transitions, 923 flow [2024-11-13 16:25:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:25:15,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:25:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-11-13 16:25:15,964 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-11-13 16:25:15,965 INFO L175 Difference]: Start difference. First operand has 354 places, 347 transitions, 787 flow. Second operand 6 states and 2144 transitions. [2024-11-13 16:25:15,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 361 transitions, 923 flow [2024-11-13 16:25:15,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 361 transitions, 918 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:25:15,972 INFO L231 Difference]: Finished difference. Result has 355 places, 345 transitions, 788 flow [2024-11-13 16:25:15,973 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=355, PETRI_TRANSITIONS=345} [2024-11-13 16:25:15,973 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -23 predicate places. [2024-11-13 16:25:15,973 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 345 transitions, 788 flow [2024-11-13 16:25:15,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.6666666666667) internal successors, (2104), 6 states have internal predecessors, (2104), 0 states have call successors, (0), 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 16:25:15,975 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:15,975 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] [2024-11-13 16:25:15,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:25:15,975 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:15,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:15,976 INFO L85 PathProgramCache]: Analyzing trace with hash 25783400, now seen corresponding path program 1 times [2024-11-13 16:25:15,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:15,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456548275] [2024-11-13 16:25:15,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:15,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:16,506 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 16:25:16,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:16,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456548275] [2024-11-13 16:25:16,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456548275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:16,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:16,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:25:16,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933599129] [2024-11-13 16:25:16,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:16,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:25:16,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:16,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:25:16,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:25:16,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-11-13 16:25:16,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 345 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 0 states have call successors, (0), 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 16:25:16,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:16,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-11-13 16:25:16,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:17,553 INFO L124 PetriNetUnfolderBase]: 651/2941 cut-off events. [2024-11-13 16:25:17,553 INFO L125 PetriNetUnfolderBase]: For 311/432 co-relation queries the response was YES. [2024-11-13 16:25:17,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4165 conditions, 2941 events. 651/2941 cut-off events. For 311/432 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 22517 event pairs, 87 based on Foata normal form. 0/2675 useless extension candidates. Maximal degree in co-relation 4108. Up to 496 conditions per place. [2024-11-13 16:25:17,576 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 43 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-11-13 16:25:17,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 359 transitions, 920 flow [2024-11-13 16:25:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:25:17,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:25:17,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-11-13 16:25:17,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-11-13 16:25:17,582 INFO L175 Difference]: Start difference. First operand has 355 places, 345 transitions, 788 flow. Second operand 6 states and 2144 transitions. [2024-11-13 16:25:17,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 359 transitions, 920 flow [2024-11-13 16:25:17,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 359 transitions, 910 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:25:17,591 INFO L231 Difference]: Finished difference. Result has 353 places, 343 transitions, 784 flow [2024-11-13 16:25:17,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=353, PETRI_TRANSITIONS=343} [2024-11-13 16:25:17,593 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -25 predicate places. [2024-11-13 16:25:17,593 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 343 transitions, 784 flow [2024-11-13 16:25:17,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 0 states have call successors, (0), 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 16:25:17,594 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:17,594 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] [2024-11-13 16:25:17,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 16:25:17,594 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:17,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:17,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1882246699, now seen corresponding path program 1 times [2024-11-13 16:25:17,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:17,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081593857] [2024-11-13 16:25:17,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:17,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:25:18,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:18,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081593857] [2024-11-13 16:25:18,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081593857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:18,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:18,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:25:18,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190633062] [2024-11-13 16:25:18,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:18,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:25:18,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:18,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:25:18,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:25:18,647 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-11-13 16:25:18,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 343 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 0 states have call successors, (0), 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 16:25:18,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:18,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-11-13 16:25:18,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:19,188 INFO L124 PetriNetUnfolderBase]: 350/2338 cut-off events. [2024-11-13 16:25:19,188 INFO L125 PetriNetUnfolderBase]: For 140/219 co-relation queries the response was YES. [2024-11-13 16:25:19,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3369 conditions, 2338 events. 350/2338 cut-off events. For 140/219 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 18342 event pairs, 91 based on Foata normal form. 12/2189 useless extension candidates. Maximal degree in co-relation 3312. Up to 278 conditions per place. [2024-11-13 16:25:19,203 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 45 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2024-11-13 16:25:19,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 357 transitions, 920 flow [2024-11-13 16:25:19,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:25:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:25:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-11-13 16:25:19,208 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-11-13 16:25:19,208 INFO L175 Difference]: Start difference. First operand has 353 places, 343 transitions, 784 flow. Second operand 6 states and 2144 transitions. [2024-11-13 16:25:19,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 357 transitions, 920 flow [2024-11-13 16:25:19,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 357 transitions, 910 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:25:19,215 INFO L231 Difference]: Finished difference. Result has 351 places, 341 transitions, 780 flow [2024-11-13 16:25:19,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=780, PETRI_PLACES=351, PETRI_TRANSITIONS=341} [2024-11-13 16:25:19,216 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -27 predicate places. [2024-11-13 16:25:19,216 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 341 transitions, 780 flow [2024-11-13 16:25:19,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 0 states have call successors, (0), 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 16:25:19,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:19,217 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] [2024-11-13 16:25:19,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:25:19,217 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:19,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:19,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1514951521, now seen corresponding path program 1 times [2024-11-13 16:25:19,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:19,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717683885] [2024-11-13 16:25:19,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:19,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:19,278 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 16:25:19,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:19,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717683885] [2024-11-13 16:25:19,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717683885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:19,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:19,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:19,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187508411] [2024-11-13 16:25:19,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:19,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:19,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:19,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:19,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:19,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 413 [2024-11-13 16:25:19,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 341 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 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 16:25:19,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:19,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 413 [2024-11-13 16:25:19,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:19,608 INFO L124 PetriNetUnfolderBase]: 128/1639 cut-off events. [2024-11-13 16:25:19,608 INFO L125 PetriNetUnfolderBase]: For 43/68 co-relation queries the response was YES. [2024-11-13 16:25:19,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 1639 events. 128/1639 cut-off events. For 43/68 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9947 event pairs, 38 based on Foata normal form. 0/1536 useless extension candidates. Maximal degree in co-relation 1954. Up to 149 conditions per place. [2024-11-13 16:25:19,626 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 10 selfloop transitions, 1 changer transitions 0/340 dead transitions. [2024-11-13 16:25:19,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 340 transitions, 800 flow [2024-11-13 16:25:19,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1125 transitions. [2024-11-13 16:25:19,630 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9079903147699758 [2024-11-13 16:25:19,630 INFO L175 Difference]: Start difference. First operand has 351 places, 341 transitions, 780 flow. Second operand 3 states and 1125 transitions. [2024-11-13 16:25:19,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 340 transitions, 800 flow [2024-11-13 16:25:19,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 340 transitions, 790 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:25:19,639 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 770 flow [2024-11-13 16:25:19,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2024-11-13 16:25:19,640 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -31 predicate places. [2024-11-13 16:25:19,640 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 770 flow [2024-11-13 16:25:19,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 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 16:25:19,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:25:19,641 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] [2024-11-13 16:25:19,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:25:19,642 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-13 16:25:19,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -2060266495, now seen corresponding path program 1 times [2024-11-13 16:25:19,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:25:19,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197445389] [2024-11-13 16:25:19,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:19,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:25:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:19,708 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 16:25:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:25:19,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197445389] [2024-11-13 16:25:19,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197445389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:19,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:19,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65954190] [2024-11-13 16:25:19,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:19,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:25:19,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:19,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:19,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 413 [2024-11-13 16:25:19,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 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 16:25:19,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:25:19,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 413 [2024-11-13 16:25:19,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:25:20,018 INFO L124 PetriNetUnfolderBase]: 128/1631 cut-off events. [2024-11-13 16:25:20,019 INFO L125 PetriNetUnfolderBase]: For 43/68 co-relation queries the response was YES. [2024-11-13 16:25:20,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1967 conditions, 1631 events. 128/1631 cut-off events. For 43/68 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9903 event pairs, 38 based on Foata normal form. 8/1536 useless extension candidates. Maximal degree in co-relation 1917. Up to 149 conditions per place. [2024-11-13 16:25:20,031 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 0 selfloop transitions, 0 changer transitions 339/339 dead transitions. [2024-11-13 16:25:20,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 339 transitions, 788 flow [2024-11-13 16:25:20,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:25:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-11-13 16:25:20,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9071832122679581 [2024-11-13 16:25:20,034 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 770 flow. Second operand 3 states and 1124 transitions. [2024-11-13 16:25:20,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 339 transitions, 788 flow [2024-11-13 16:25:20,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 339 transitions, 787 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:25:20,038 INFO L231 Difference]: Finished difference. Result has 347 places, 0 transitions, 0 flow [2024-11-13 16:25:20,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=347, PETRI_TRANSITIONS=0} [2024-11-13 16:25:20,039 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -31 predicate places. [2024-11-13 16:25:20,040 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 0 transitions, 0 flow [2024-11-13 16:25:20,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 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 16:25:20,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2024-11-13 16:25:20,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2024-11-13 16:25:20,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2024-11-13 16:25:20,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2024-11-13 16:25:20,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2024-11-13 16:25:20,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2024-11-13 16:25:20,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2024-11-13 16:25:20,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2024-11-13 16:25:20,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2024-11-13 16:25:20,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2024-11-13 16:25:20,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2024-11-13 16:25:20,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2024-11-13 16:25:20,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2024-11-13 16:25:20,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2024-11-13 16:25:20,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2024-11-13 16:25:20,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2024-11-13 16:25:20,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2024-11-13 16:25:20,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2024-11-13 16:25:20,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2024-11-13 16:25:20,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2024-11-13 16:25:20,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2024-11-13 16:25:20,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2024-11-13 16:25:20,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2024-11-13 16:25:20,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2024-11-13 16:25:20,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 16:25:20,051 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 16:25:20,057 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:25:20,058 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:25:20,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:25:20 BasicIcfg [2024-11-13 16:25:20,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:25:20,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:25:20,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:25:20,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:25:20,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:25:02" (3/4) ... [2024-11-13 16:25:20,074 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:25:20,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 16:25:20,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 16:25:20,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 16:25:20,083 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-13 16:25:20,084 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:25:20,084 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:25:20,085 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:25:20,188 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:25:20,188 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:25:20,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:25:20,189 INFO L158 Benchmark]: Toolchain (without parser) took 19441.78ms. Allocated memory was 142.6MB in the beginning and 713.0MB in the end (delta: 570.4MB). Free memory was 119.1MB in the beginning and 546.0MB in the end (delta: -426.8MB). Peak memory consumption was 559.6MB. Max. memory is 16.1GB. [2024-11-13 16:25:20,190 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:25:20,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.69ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.7MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:25:20,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.19ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 102.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:25:20,192 INFO L158 Benchmark]: Boogie Preprocessor took 90.12ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 99.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:25:20,192 INFO L158 Benchmark]: RCFGBuilder took 1508.22ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 76.1MB in the end (delta: 23.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-13 16:25:20,193 INFO L158 Benchmark]: TraceAbstraction took 17206.68ms. Allocated memory was 142.6MB in the beginning and 713.0MB in the end (delta: 570.4MB). Free memory was 75.5MB in the beginning and 132.3MB in the end (delta: -56.8MB). Peak memory consumption was 511.7MB. Max. memory is 16.1GB. [2024-11-13 16:25:20,194 INFO L158 Benchmark]: Witness Printer took 123.46ms. Allocated memory is still 713.0MB. Free memory was 132.3MB in the beginning and 546.0MB in the end (delta: -413.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:25:20,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.69ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.7MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.19ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 102.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.12ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 99.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1508.22ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 76.1MB in the end (delta: 23.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * TraceAbstraction took 17206.68ms. Allocated memory was 142.6MB in the beginning and 713.0MB in the end (delta: 570.4MB). Free memory was 75.5MB in the beginning and 132.3MB in the end (delta: -56.8MB). Peak memory consumption was 511.7MB. Max. memory is 16.1GB. * Witness Printer took 123.46ms. Allocated memory is still 713.0MB. Free memory was 132.3MB in the beginning and 546.0MB in the end (delta: -413.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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 7 procedures, 565 locations, 79 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: 16.9s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1462 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 838 mSDsluCounter, 547 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 447 mSDsCounter, 386 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2375 IncrementalHoareTripleChecker+Invalid, 2761 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 386 mSolverCounterUnsat, 100 mSDtfsCounter, 2375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=804occurred in iteration=0, InterpolantAutomatonStates: 72, 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, 3.2s InterpolantComputationTime, 1796 NumberOfCodeBlocks, 1796 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1779 ConstructedInterpolants, 0 QuantifiedInterpolants, 2551 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 1/1 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 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 16:25:20,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5ec093-9e2b-44f5-ba6a-5e3df7160546/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