./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-channel-sum.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_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/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_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/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_45ffbc2d-cef2-4081-ad8d-f78b46719388/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 bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:26:58,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:26:58,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 16:26:58,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:26:58,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:26:58,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:26:58,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:26:58,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:26:58,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:26:58,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:26:58,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:26:58,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:26:58,394 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:26:58,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:26:58,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:26:58,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:26:58,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:26:58,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:26:58,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:26:58,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:26:58,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:26:58,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:26:58,396 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 16:26:58,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:26:58,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:26:58,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:26:58,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:26:58,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:26:58,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:26:58,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:26:58,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:26:58,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:26:58,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:26:58,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:26:58,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:26:58,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:26:58,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:26:58,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:26:58,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:26:58,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:26:58,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:26:58,400 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_45ffbc2d-cef2-4081-ad8d-f78b46719388/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 -> bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 [2024-11-13 16:26:58,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:26:58,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:26:58,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:26:58,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:26:58,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:26:58,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c Unable to find full path for "g++" [2024-11-13 16:27:01,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:27:01,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:27:01,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-11-13 16:27:01,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/data/8c93c886a/2a21b82b142f43c3a0d567fb643775de/FLAGe993325d1 [2024-11-13 16:27:01,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/data/8c93c886a/2a21b82b142f43c3a0d567fb643775de [2024-11-13 16:27:01,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:27:01,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:27:01,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:27:01,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:27:01,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:27:01,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:27:01" (1/1) ... [2024-11-13 16:27:01,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8a517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:01, skipping insertion in model container [2024-11-13 16:27:01,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:27:01" (1/1) ... [2024-11-13 16:27:01,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:27:01,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:27:01,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:27:01,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:27:02,017 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:27:02,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02 WrapperNode [2024-11-13 16:27:02,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:27:02,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:27:02,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:27:02,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:27:02,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,103 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 204 [2024-11-13 16:27:02,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:27:02,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:27:02,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:27:02,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:27:02,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:27:02,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:27:02,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:27:02,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:27:02,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (1/1) ... [2024-11-13 16:27:02,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:27:02,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:27:02,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:27:02,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:27:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:27:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 16:27:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 16:27:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 16:27:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 16:27:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:27:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:27:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:27:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:27:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:27:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:27:02,258 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 16:27:02,379 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:27:02,381 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:27:02,911 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:27:02,911 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:27:02,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:27:02,943 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 16:27:02,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:27:02 BoogieIcfgContainer [2024-11-13 16:27:02,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:27:02,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:27:02,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:27:02,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:27:02,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:27:01" (1/3) ... [2024-11-13 16:27:02,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fac166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:27:02, skipping insertion in model container [2024-11-13 16:27:02,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:27:02" (2/3) ... [2024-11-13 16:27:02,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fac166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:27:02, skipping insertion in model container [2024-11-13 16:27:02,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:27:02" (3/3) ... [2024-11-13 16:27:02,958 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2024-11-13 16:27:02,978 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:27:02,981 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-channel-sum.wvr.c that has 3 procedures, 239 locations, 1 initial locations, 3 loop locations, and 18 error locations. [2024-11-13 16:27:02,981 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:27:03,137 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 16:27:03,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 255 transitions, 524 flow [2024-11-13 16:27:03,357 INFO L124 PetriNetUnfolderBase]: 17/253 cut-off events. [2024-11-13 16:27:03,360 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 16:27:03,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 253 events. 17/253 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 516 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 151. Up to 2 conditions per place. [2024-11-13 16:27:03,379 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 255 transitions, 524 flow [2024-11-13 16:27:03,389 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 225 places, 233 transitions, 478 flow [2024-11-13 16:27:03,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:27:03,429 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;@64bb193e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:27:03,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-13 16:27:03,447 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:27:03,447 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-13 16:27:03,447 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:27:03,448 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:03,448 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] [2024-11-13 16:27:03,449 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:03,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:03,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1557536655, now seen corresponding path program 1 times [2024-11-13 16:27:03,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:03,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599293567] [2024-11-13 16:27:03,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:03,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:03,748 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 16:27:03,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:03,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599293567] [2024-11-13 16:27:03,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599293567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:03,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:03,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:27:03,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941808414] [2024-11-13 16:27:03,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:03,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:03,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:03,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:03,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:03,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-13 16:27:03,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 233 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 16:27:03,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:03,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-13 16:27:03,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:04,149 INFO L124 PetriNetUnfolderBase]: 24/428 cut-off events. [2024-11-13 16:27:04,149 INFO L125 PetriNetUnfolderBase]: For 19/21 co-relation queries the response was YES. [2024-11-13 16:27:04,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 428 events. 24/428 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1539 event pairs, 11 based on Foata normal form. 26/387 useless extension candidates. Maximal degree in co-relation 358. Up to 40 conditions per place. [2024-11-13 16:27:04,161 INFO L140 encePairwiseOnDemand]: 243/255 looper letters, 13 selfloop transitions, 2 changer transitions 2/223 dead transitions. [2024-11-13 16:27:04,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 223 transitions, 488 flow [2024-11-13 16:27:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:04,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2024-11-13 16:27:04,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9228758169934641 [2024-11-13 16:27:04,194 INFO L175 Difference]: Start difference. First operand has 225 places, 233 transitions, 478 flow. Second operand 3 states and 706 transitions. [2024-11-13 16:27:04,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 223 transitions, 488 flow [2024-11-13 16:27:04,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 223 transitions, 480 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 16:27:04,219 INFO L231 Difference]: Finished difference. Result has 222 places, 221 transitions, 450 flow [2024-11-13 16:27:04,223 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=222, PETRI_TRANSITIONS=221} [2024-11-13 16:27:04,229 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -3 predicate places. [2024-11-13 16:27:04,231 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 221 transitions, 450 flow [2024-11-13 16:27:04,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 16:27:04,232 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:04,233 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] [2024-11-13 16:27:04,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:27:04,233 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:04,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:04,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1115305196, now seen corresponding path program 1 times [2024-11-13 16:27:04,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:04,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982003423] [2024-11-13 16:27:04,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:04,354 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 16:27:04,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:04,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982003423] [2024-11-13 16:27:04,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982003423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:04,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:04,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:27:04,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946118861] [2024-11-13 16:27:04,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:04,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:04,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:04,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:04,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:04,395 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-13 16:27:04,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 221 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 16:27:04,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:04,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-13 16:27:04,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:04,592 INFO L124 PetriNetUnfolderBase]: 39/577 cut-off events. [2024-11-13 16:27:04,592 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2024-11-13 16:27:04,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 577 events. 39/577 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2802 event pairs, 19 based on Foata normal form. 0/491 useless extension candidates. Maximal degree in co-relation 615. Up to 62 conditions per place. [2024-11-13 16:27:04,600 INFO L140 encePairwiseOnDemand]: 251/255 looper letters, 13 selfloop transitions, 1 changer transitions 0/218 dead transitions. [2024-11-13 16:27:04,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 218 transitions, 472 flow [2024-11-13 16:27:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 698 transitions. [2024-11-13 16:27:04,605 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9124183006535947 [2024-11-13 16:27:04,605 INFO L175 Difference]: Start difference. First operand has 222 places, 221 transitions, 450 flow. Second operand 3 states and 698 transitions. [2024-11-13 16:27:04,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 218 transitions, 472 flow [2024-11-13 16:27:04,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 218 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:27:04,616 INFO L231 Difference]: Finished difference. Result has 217 places, 218 transitions, 442 flow [2024-11-13 16:27:04,616 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=217, PETRI_TRANSITIONS=218} [2024-11-13 16:27:04,621 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -8 predicate places. [2024-11-13 16:27:04,621 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 218 transitions, 442 flow [2024-11-13 16:27:04,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 16:27:04,622 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:04,622 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] [2024-11-13 16:27:04,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:27:04,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:04,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:04,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1348269381, now seen corresponding path program 1 times [2024-11-13 16:27:04,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:04,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085652170] [2024-11-13 16:27:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:04,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:05,927 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 16:27:05,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:05,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085652170] [2024-11-13 16:27:05,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085652170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:05,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:05,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:27:05,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843678544] [2024-11-13 16:27:05,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:05,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:27:05,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:05,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:27:05,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:27:06,255 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 255 [2024-11-13 16:27:06,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 218 transitions, 442 flow. Second operand has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 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 16:27:06,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:06,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 255 [2024-11-13 16:27:06,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:06,595 INFO L124 PetriNetUnfolderBase]: 120/846 cut-off events. [2024-11-13 16:27:06,596 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2024-11-13 16:27:06,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 846 events. 120/846 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4452 event pairs, 65 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 1018. Up to 191 conditions per place. [2024-11-13 16:27:06,604 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 27 selfloop transitions, 5 changer transitions 0/217 dead transitions. [2024-11-13 16:27:06,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 217 transitions, 504 flow [2024-11-13 16:27:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:27:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:27:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1299 transitions. [2024-11-13 16:27:06,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8490196078431372 [2024-11-13 16:27:06,615 INFO L175 Difference]: Start difference. First operand has 217 places, 218 transitions, 442 flow. Second operand 6 states and 1299 transitions. [2024-11-13 16:27:06,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 217 transitions, 504 flow [2024-11-13 16:27:06,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:27:06,626 INFO L231 Difference]: Finished difference. Result has 220 places, 217 transitions, 449 flow [2024-11-13 16:27:06,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=449, PETRI_PLACES=220, PETRI_TRANSITIONS=217} [2024-11-13 16:27:06,630 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -5 predicate places. [2024-11-13 16:27:06,630 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 217 transitions, 449 flow [2024-11-13 16:27:06,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 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 16:27:06,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:06,632 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] [2024-11-13 16:27:06,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:27:06,632 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:06,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:06,633 INFO L85 PathProgramCache]: Analyzing trace with hash -936133980, now seen corresponding path program 1 times [2024-11-13 16:27:06,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:06,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242856751] [2024-11-13 16:27:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:06,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:06,714 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 16:27:06,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:06,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242856751] [2024-11-13 16:27:06,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242856751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:06,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:06,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:27:06,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431223997] [2024-11-13 16:27:06,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:06,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:06,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:06,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:06,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:06,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-13 16:27:06,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 217 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 16:27:06,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:06,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-13 16:27:06,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:06,888 INFO L124 PetriNetUnfolderBase]: 26/374 cut-off events. [2024-11-13 16:27:06,888 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-13 16:27:06,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 374 events. 26/374 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1343 event pairs, 14 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 412. Up to 42 conditions per place. [2024-11-13 16:27:06,893 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 13 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2024-11-13 16:27:06,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 216 transitions, 477 flow [2024-11-13 16:27:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions. [2024-11-13 16:27:06,898 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9111111111111111 [2024-11-13 16:27:06,898 INFO L175 Difference]: Start difference. First operand has 220 places, 217 transitions, 449 flow. Second operand 3 states and 697 transitions. [2024-11-13 16:27:06,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 216 transitions, 477 flow [2024-11-13 16:27:06,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 216 transitions, 467 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:27:06,909 INFO L231 Difference]: Finished difference. Result has 216 places, 216 transitions, 441 flow [2024-11-13 16:27:06,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=441, PETRI_PLACES=216, PETRI_TRANSITIONS=216} [2024-11-13 16:27:06,911 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -9 predicate places. [2024-11-13 16:27:06,911 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 216 transitions, 441 flow [2024-11-13 16:27:06,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 16:27:06,912 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:06,912 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] [2024-11-13 16:27:06,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:27:06,912 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:06,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash 938891564, now seen corresponding path program 1 times [2024-11-13 16:27:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585559943] [2024-11-13 16:27:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:07,085 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 16:27:07,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:07,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585559943] [2024-11-13 16:27:07,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585559943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:07,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:07,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:27:07,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574236184] [2024-11-13 16:27:07,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:07,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:07,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:07,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:07,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:07,195 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 255 [2024-11-13 16:27:07,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 216 transitions, 441 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 16:27:07,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:07,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 255 [2024-11-13 16:27:07,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:07,337 INFO L124 PetriNetUnfolderBase]: 32/493 cut-off events. [2024-11-13 16:27:07,337 INFO L125 PetriNetUnfolderBase]: For 8/13 co-relation queries the response was YES. [2024-11-13 16:27:07,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 493 events. 32/493 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1738 event pairs, 1 based on Foata normal form. 1/420 useless extension candidates. Maximal degree in co-relation 511. Up to 33 conditions per place. [2024-11-13 16:27:07,344 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 14 selfloop transitions, 4 changer transitions 0/221 dead transitions. [2024-11-13 16:27:07,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 221 transitions, 489 flow [2024-11-13 16:27:07,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2024-11-13 16:27:07,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.930718954248366 [2024-11-13 16:27:07,349 INFO L175 Difference]: Start difference. First operand has 216 places, 216 transitions, 441 flow. Second operand 3 states and 712 transitions. [2024-11-13 16:27:07,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 221 transitions, 489 flow [2024-11-13 16:27:07,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 221 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:27:07,358 INFO L231 Difference]: Finished difference. Result has 218 places, 219 transitions, 467 flow [2024-11-13 16:27:07,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=218, PETRI_TRANSITIONS=219} [2024-11-13 16:27:07,360 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -7 predicate places. [2024-11-13 16:27:07,360 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 219 transitions, 467 flow [2024-11-13 16:27:07,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 16:27:07,362 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:07,362 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] [2024-11-13 16:27:07,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:27:07,363 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:07,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:07,363 INFO L85 PathProgramCache]: Analyzing trace with hash 422700949, now seen corresponding path program 1 times [2024-11-13 16:27:07,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:07,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801307096] [2024-11-13 16:27:07,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:07,502 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 16:27:07,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:07,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801307096] [2024-11-13 16:27:07,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801307096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:07,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:07,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:27:07,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825068968] [2024-11-13 16:27:07,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:07,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:07,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:07,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:07,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:07,534 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-13 16:27:07,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 219 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 16:27:07,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:07,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-13 16:27:07,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:07,668 INFO L124 PetriNetUnfolderBase]: 35/426 cut-off events. [2024-11-13 16:27:07,669 INFO L125 PetriNetUnfolderBase]: For 57/78 co-relation queries the response was YES. [2024-11-13 16:27:07,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 426 events. 35/426 cut-off events. For 57/78 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1279 event pairs, 2 based on Foata normal form. 4/371 useless extension candidates. Maximal degree in co-relation 497. Up to 37 conditions per place. [2024-11-13 16:27:07,674 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 11 selfloop transitions, 2 changer transitions 6/218 dead transitions. [2024-11-13 16:27:07,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 218 transitions, 503 flow [2024-11-13 16:27:07,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2024-11-13 16:27:07,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9137254901960784 [2024-11-13 16:27:07,678 INFO L175 Difference]: Start difference. First operand has 218 places, 219 transitions, 467 flow. Second operand 3 states and 699 transitions. [2024-11-13 16:27:07,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 218 transitions, 503 flow [2024-11-13 16:27:07,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 495 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:27:07,685 INFO L231 Difference]: Finished difference. Result has 215 places, 210 transitions, 444 flow [2024-11-13 16:27:07,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=215, PETRI_TRANSITIONS=210} [2024-11-13 16:27:07,688 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -10 predicate places. [2024-11-13 16:27:07,689 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 210 transitions, 444 flow [2024-11-13 16:27:07,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 16:27:07,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:07,690 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] [2024-11-13 16:27:07,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:27:07,690 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:07,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:07,691 INFO L85 PathProgramCache]: Analyzing trace with hash -620116134, now seen corresponding path program 1 times [2024-11-13 16:27:07,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:07,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873994315] [2024-11-13 16:27:07,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:07,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:07,785 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 16:27:07,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:07,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873994315] [2024-11-13 16:27:07,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873994315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:07,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:07,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:27:07,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729747036] [2024-11-13 16:27:07,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:07,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:07,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:07,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:07,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:07,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-13 16:27:07,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 210 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 16:27:07,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:07,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-13 16:27:07,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:08,025 INFO L124 PetriNetUnfolderBase]: 74/722 cut-off events. [2024-11-13 16:27:08,026 INFO L125 PetriNetUnfolderBase]: For 47/55 co-relation queries the response was YES. [2024-11-13 16:27:08,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 722 events. 74/722 cut-off events. For 47/55 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3063 event pairs, 12 based on Foata normal form. 0/625 useless extension candidates. Maximal degree in co-relation 855. Up to 102 conditions per place. [2024-11-13 16:27:08,033 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 16 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2024-11-13 16:27:08,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 210 transitions, 481 flow [2024-11-13 16:27:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 700 transitions. [2024-11-13 16:27:08,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9150326797385621 [2024-11-13 16:27:08,038 INFO L175 Difference]: Start difference. First operand has 215 places, 210 transitions, 444 flow. Second operand 3 states and 700 transitions. [2024-11-13 16:27:08,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 210 transitions, 481 flow [2024-11-13 16:27:08,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 210 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:27:08,047 INFO L231 Difference]: Finished difference. Result has 207 places, 209 transitions, 448 flow [2024-11-13 16:27:08,048 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=207, PETRI_TRANSITIONS=209} [2024-11-13 16:27:08,049 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -18 predicate places. [2024-11-13 16:27:08,049 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 209 transitions, 448 flow [2024-11-13 16:27:08,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 16:27:08,050 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:08,050 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] [2024-11-13 16:27:08,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:27:08,050 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:08,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:08,052 INFO L85 PathProgramCache]: Analyzing trace with hash 390048545, now seen corresponding path program 1 times [2024-11-13 16:27:08,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:08,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813320694] [2024-11-13 16:27:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:08,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:08,787 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 16:27:08,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:08,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813320694] [2024-11-13 16:27:08,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813320694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:08,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:08,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:27:08,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092780903] [2024-11-13 16:27:08,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:08,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:27:08,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:08,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:27:08,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:27:09,124 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 255 [2024-11-13 16:27:09,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 209 transitions, 448 flow. Second operand has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 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 16:27:09,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:09,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 255 [2024-11-13 16:27:09,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:09,337 INFO L124 PetriNetUnfolderBase]: 96/719 cut-off events. [2024-11-13 16:27:09,337 INFO L125 PetriNetUnfolderBase]: For 68/80 co-relation queries the response was YES. [2024-11-13 16:27:09,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 719 events. 96/719 cut-off events. For 68/80 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2833 event pairs, 2 based on Foata normal form. 8/638 useless extension candidates. Maximal degree in co-relation 896. Up to 48 conditions per place. [2024-11-13 16:27:09,343 INFO L140 encePairwiseOnDemand]: 243/255 looper letters, 18 selfloop transitions, 12 changer transitions 4/215 dead transitions. [2024-11-13 16:27:09,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 215 transitions, 532 flow [2024-11-13 16:27:09,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:27:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:27:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1336 transitions. [2024-11-13 16:27:09,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.873202614379085 [2024-11-13 16:27:09,349 INFO L175 Difference]: Start difference. First operand has 207 places, 209 transitions, 448 flow. Second operand 6 states and 1336 transitions. [2024-11-13 16:27:09,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 215 transitions, 532 flow [2024-11-13 16:27:09,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 215 transitions, 532 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:27:09,355 INFO L231 Difference]: Finished difference. Result has 210 places, 207 transitions, 468 flow [2024-11-13 16:27:09,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=210, PETRI_TRANSITIONS=207} [2024-11-13 16:27:09,359 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -15 predicate places. [2024-11-13 16:27:09,360 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 207 transitions, 468 flow [2024-11-13 16:27:09,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 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 16:27:09,362 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:09,362 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:09,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:27:09,362 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:09,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1158670452, now seen corresponding path program 1 times [2024-11-13 16:27:09,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:09,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127949610] [2024-11-13 16:27:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:09,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:10,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:10,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:10,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127949610] [2024-11-13 16:27:10,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127949610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:10,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:10,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:27:10,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154821318] [2024-11-13 16:27:10,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:10,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:27:10,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:10,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:27:10,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:27:10,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 255 [2024-11-13 16:27:10,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 207 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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 16:27:10,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:10,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 255 [2024-11-13 16:27:10,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:10,656 INFO L124 PetriNetUnfolderBase]: 38/401 cut-off events. [2024-11-13 16:27:10,657 INFO L125 PetriNetUnfolderBase]: For 95/125 co-relation queries the response was YES. [2024-11-13 16:27:10,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 401 events. 38/401 cut-off events. For 95/125 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1096 event pairs, 2 based on Foata normal form. 8/362 useless extension candidates. Maximal degree in co-relation 528. Up to 38 conditions per place. [2024-11-13 16:27:10,660 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 24 selfloop transitions, 5 changer transitions 0/214 dead transitions. [2024-11-13 16:27:10,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 214 transitions, 572 flow [2024-11-13 16:27:10,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:27:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:27:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1366 transitions. [2024-11-13 16:27:10,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8928104575163399 [2024-11-13 16:27:10,666 INFO L175 Difference]: Start difference. First operand has 210 places, 207 transitions, 468 flow. Second operand 6 states and 1366 transitions. [2024-11-13 16:27:10,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 214 transitions, 572 flow [2024-11-13 16:27:10,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 214 transitions, 532 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:27:10,672 INFO L231 Difference]: Finished difference. Result has 209 places, 206 transitions, 452 flow [2024-11-13 16:27:10,672 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=452, PETRI_PLACES=209, PETRI_TRANSITIONS=206} [2024-11-13 16:27:10,673 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -16 predicate places. [2024-11-13 16:27:10,673 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 206 transitions, 452 flow [2024-11-13 16:27:10,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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 16:27:10,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:10,675 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] [2024-11-13 16:27:10,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:27:10,675 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:10,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:10,676 INFO L85 PathProgramCache]: Analyzing trace with hash 584886575, now seen corresponding path program 1 times [2024-11-13 16:27:10,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:10,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196780848] [2024-11-13 16:27:10,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:10,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:10,750 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 16:27:10,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:10,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196780848] [2024-11-13 16:27:10,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196780848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:10,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:10,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:27:10,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646912136] [2024-11-13 16:27:10,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:10,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:10,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:10,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:10,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:10,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 255 [2024-11-13 16:27:10,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 206 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 16:27:10,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:10,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 255 [2024-11-13 16:27:10,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:10,846 INFO L124 PetriNetUnfolderBase]: 38/399 cut-off events. [2024-11-13 16:27:10,847 INFO L125 PetriNetUnfolderBase]: For 35/65 co-relation queries the response was YES. [2024-11-13 16:27:10,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 399 events. 38/399 cut-off events. For 35/65 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1081 event pairs, 2 based on Foata normal form. 2/350 useless extension candidates. Maximal degree in co-relation 477. Up to 42 conditions per place. [2024-11-13 16:27:10,850 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 13 selfloop transitions, 2 changer transitions 0/207 dead transitions. [2024-11-13 16:27:10,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 207 transitions, 488 flow [2024-11-13 16:27:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:10,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2024-11-13 16:27:10,855 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9241830065359478 [2024-11-13 16:27:10,855 INFO L175 Difference]: Start difference. First operand has 209 places, 206 transitions, 452 flow. Second operand 3 states and 707 transitions. [2024-11-13 16:27:10,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 207 transitions, 488 flow [2024-11-13 16:27:10,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 207 transitions, 478 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:27:10,861 INFO L231 Difference]: Finished difference. Result has 205 places, 205 transitions, 444 flow [2024-11-13 16:27:10,861 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=205, PETRI_TRANSITIONS=205} [2024-11-13 16:27:10,862 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -20 predicate places. [2024-11-13 16:27:10,862 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 205 transitions, 444 flow [2024-11-13 16:27:10,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 16:27:10,863 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:10,863 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] [2024-11-13 16:27:10,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:27:10,864 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:10,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:10,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1345346453, now seen corresponding path program 1 times [2024-11-13 16:27:10,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:10,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799227519] [2024-11-13 16:27:10,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:10,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:10,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:10,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799227519] [2024-11-13 16:27:10,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799227519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:10,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:10,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:27:10,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954422663] [2024-11-13 16:27:10,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:10,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:10,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:10,961 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-13 16:27:10,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 205 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:10,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:10,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-13 16:27:10,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:11,088 INFO L124 PetriNetUnfolderBase]: 46/579 cut-off events. [2024-11-13 16:27:11,089 INFO L125 PetriNetUnfolderBase]: For 49/71 co-relation queries the response was YES. [2024-11-13 16:27:11,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 579 events. 46/579 cut-off events. For 49/71 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1629 event pairs, 4 based on Foata normal form. 2/520 useless extension candidates. Maximal degree in co-relation 671. Up to 41 conditions per place. [2024-11-13 16:27:11,092 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 13 selfloop transitions, 2 changer transitions 2/210 dead transitions. [2024-11-13 16:27:11,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 210 transitions, 499 flow [2024-11-13 16:27:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-13 16:27:11,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9320261437908497 [2024-11-13 16:27:11,096 INFO L175 Difference]: Start difference. First operand has 205 places, 205 transitions, 444 flow. Second operand 3 states and 713 transitions. [2024-11-13 16:27:11,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 210 transitions, 499 flow [2024-11-13 16:27:11,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 210 transitions, 493 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:27:11,102 INFO L231 Difference]: Finished difference. Result has 205 places, 205 transitions, 448 flow [2024-11-13 16:27:11,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=205, PETRI_TRANSITIONS=205} [2024-11-13 16:27:11,103 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -20 predicate places. [2024-11-13 16:27:11,103 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 205 transitions, 448 flow [2024-11-13 16:27:11,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:11,104 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:11,105 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] [2024-11-13 16:27:11,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:27:11,105 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 16:27:11,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:11,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1007351208, now seen corresponding path program 1 times [2024-11-13 16:27:11,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:11,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984819228] [2024-11-13 16:27:11,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:11,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:11,184 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 16:27:11,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984819228] [2024-11-13 16:27:11,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984819228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:11,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:27:11,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366373128] [2024-11-13 16:27:11,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:11,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:11,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:11,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:11,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:11,213 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 255 [2024-11-13 16:27:11,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 205 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 16:27:11,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:11,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 255 [2024-11-13 16:27:11,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:11,338 INFO L124 PetriNetUnfolderBase]: 50/581 cut-off events. [2024-11-13 16:27:11,338 INFO L125 PetriNetUnfolderBase]: For 51/65 co-relation queries the response was YES. [2024-11-13 16:27:11,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 581 events. 50/581 cut-off events. For 51/65 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1622 event pairs, 4 based on Foata normal form. 0/524 useless extension candidates. Maximal degree in co-relation 685. Up to 56 conditions per place. [2024-11-13 16:27:11,341 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 0 selfloop transitions, 0 changer transitions 206/206 dead transitions. [2024-11-13 16:27:11,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 206 transitions, 484 flow [2024-11-13 16:27:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-13 16:27:11,343 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9163398692810457 [2024-11-13 16:27:11,344 INFO L175 Difference]: Start difference. First operand has 205 places, 205 transitions, 448 flow. Second operand 3 states and 701 transitions. [2024-11-13 16:27:11,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 206 transitions, 484 flow [2024-11-13 16:27:11,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 206 transitions, 482 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:27:11,347 INFO L231 Difference]: Finished difference. Result has 205 places, 0 transitions, 0 flow [2024-11-13 16:27:11,348 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=205, PETRI_TRANSITIONS=0} [2024-11-13 16:27:11,348 INFO L277 CegarLoopForPetriNet]: 225 programPoint places, -20 predicate places. [2024-11-13 16:27:11,348 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 0 transitions, 0 flow [2024-11-13 16:27:11,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 16:27:11,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2024-11-13 16:27:11,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2024-11-13 16:27:11,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 32 remaining) [2024-11-13 16:27:11,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2024-11-13 16:27:11,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2024-11-13 16:27:11,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:27:11,358 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:11,365 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:27:11,365 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:27:11,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:27:11 BasicIcfg [2024-11-13 16:27:11,376 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:27:11,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:27:11,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:27:11,377 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:27:11,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:27:02" (3/4) ... [2024-11-13 16:27:11,381 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:27:11,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 16:27:11,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 16:27:11,393 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 16:27:11,393 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:27:11,394 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:27:11,395 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:27:11,504 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:27:11,504 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:27:11,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:27:11,505 INFO L158 Benchmark]: Toolchain (without parser) took 9955.74ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.8MB in the beginning and 372.9MB in the end (delta: -254.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-13 16:27:11,506 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:27:11,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.19ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 106.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:27:11,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.07ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 104.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:27:11,507 INFO L158 Benchmark]: Boogie Preprocessor took 76.47ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:27:11,508 INFO L158 Benchmark]: RCFGBuilder took 762.72ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 80.0MB in the end (delta: 22.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:27:11,508 INFO L158 Benchmark]: TraceAbstraction took 8428.58ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 79.5MB in the beginning and 377.0MB in the end (delta: -297.5MB). Peak memory consumption was 218.4MB. Max. memory is 16.1GB. [2024-11-13 16:27:11,508 INFO L158 Benchmark]: Witness Printer took 127.35ms. Allocated memory is still 427.8MB. Free memory was 377.0MB in the beginning and 372.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:27:11,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.19ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 106.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.07ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 104.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.47ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 762.72ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 80.0MB in the end (delta: 22.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8428.58ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 79.5MB in the beginning and 377.0MB in the end (delta: -297.5MB). Peak memory consumption was 218.4MB. Max. memory is 16.1GB. * Witness Printer took 127.35ms. Allocated memory is still 427.8MB. Free memory was 377.0MB in the beginning and 372.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 61]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 357 locations, 32 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: 8.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 540 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 910 IncrementalHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 28 mSDtfsCounter, 910 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=478occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 3.3s InterpolantComputationTime, 1067 NumberOfCodeBlocks, 1067 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1055 ConstructedInterpolants, 0 QuantifiedInterpolants, 1512 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 16:27:11,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ffbc2d-cef2-4081-ad8d-f78b46719388/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