./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.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_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/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_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/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_7867c333-9f5b-4320-bdfe-b140a4c5d845/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 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:01:16,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:01:16,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:01:16,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:01:16,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:01:16,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:01:16,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:01:16,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:01:16,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:01:16,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:01:16,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:01:16,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:01:16,614 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:01:16,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:01:16,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:01:16,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:01:16,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:01:16,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:01:16,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:01:16,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:01:16,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:01:16,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:01:16,616 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:01:16,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:01:16,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:01:16,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:01:16,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:01:16,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:01:16,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:01:16,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:01:16,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:01:16,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:01:16,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:01:16,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:01:16,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:01:16,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:01:16,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:01:16,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:01:16,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:01:16,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:01:16,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:01:16,619 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_7867c333-9f5b-4320-bdfe-b140a4c5d845/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 -> 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a [2024-11-13 13:01:16,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:01:16,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:01:16,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:01:16,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:01:16,921 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:01:16,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c Unable to find full path for "g++" [2024-11-13 13:01:18,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:01:19,079 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:01:19,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-13 13:01:19,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/data/464d4a4dc/7e3a0078dfa04b6dafe1d73ee1db16fb/FLAGc5261c420 [2024-11-13 13:01:19,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/data/464d4a4dc/7e3a0078dfa04b6dafe1d73ee1db16fb [2024-11-13 13:01:19,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:01:19,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:01:19,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:01:19,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:01:19,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:01:19,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6b54db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19, skipping insertion in model container [2024-11-13 13:01:19,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:01:19,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:01:19,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:01:19,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:01:19,512 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:01:19,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19 WrapperNode [2024-11-13 13:01:19,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:01:19,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:01:19,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:01:19,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:01:19,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,563 INFO L138 Inliner]: procedures = 24, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-13 13:01:19,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:01:19,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:01:19,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:01:19,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:01:19,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:01:19,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:01:19,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:01:19,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:01:19,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (1/1) ... [2024-11-13 13:01:19,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:01:19,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:01:19,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:01:19,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:01:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:01:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 13:01:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 13:01:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 13:01:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 13:01:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 13:01:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 13:01:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:01:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:01:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:01:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:01:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:01:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:01:19,734 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 13:01:19,903 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:01:19,905 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:01:20,540 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:01:20,541 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:01:20,567 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:01:20,569 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 13:01:20,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:01:20 BoogieIcfgContainer [2024-11-13 13:01:20,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:01:20,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:01:20,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:01:20,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:01:20,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:01:19" (1/3) ... [2024-11-13 13:01:20,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4e7a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:01:20, skipping insertion in model container [2024-11-13 13:01:20,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:01:19" (2/3) ... [2024-11-13 13:01:20,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4e7a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:01:20, skipping insertion in model container [2024-11-13 13:01:20,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:01:20" (3/3) ... [2024-11-13 13:01:20,581 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2024-11-13 13:01:20,599 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:01:20,603 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-sum-array-hom.wvr.c that has 4 procedures, 256 locations, 1 initial locations, 4 loop locations, and 27 error locations. [2024-11-13 13:01:20,603 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:01:20,757 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 13:01:20,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 268 transitions, 557 flow [2024-11-13 13:01:20,960 INFO L124 PetriNetUnfolderBase]: 13/265 cut-off events. [2024-11-13 13:01:20,965 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 13:01:20,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 265 events. 13/265 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 421 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 201. Up to 2 conditions per place. [2024-11-13 13:01:20,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 268 transitions, 557 flow [2024-11-13 13:01:20,984 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 246 places, 248 transitions, 514 flow [2024-11-13 13:01:20,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:01:21,017 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;@22efe79c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:01:21,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-13 13:01:21,030 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:01:21,030 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-13 13:01:21,030 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:01:21,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:21,033 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] [2024-11-13 13:01:21,033 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:21,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:21,041 INFO L85 PathProgramCache]: Analyzing trace with hash 950159826, now seen corresponding path program 1 times [2024-11-13 13:01:21,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:21,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15579398] [2024-11-13 13:01:21,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:21,241 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 13:01:21,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:21,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15579398] [2024-11-13 13:01:21,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15579398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:21,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:21,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:21,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195848345] [2024-11-13 13:01:21,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:21,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:21,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:21,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:21,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:21,388 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 268 [2024-11-13 13:01:21,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 248 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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 13:01:21,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:21,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 268 [2024-11-13 13:01:21,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:21,623 INFO L124 PetriNetUnfolderBase]: 19/449 cut-off events. [2024-11-13 13:01:21,624 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-13 13:01:21,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 449 events. 19/449 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1614 event pairs, 7 based on Foata normal form. 16/389 useless extension candidates. Maximal degree in co-relation 311. Up to 31 conditions per place. [2024-11-13 13:01:21,634 INFO L140 encePairwiseOnDemand]: 258/268 looper letters, 13 selfloop transitions, 2 changer transitions 3/240 dead transitions. [2024-11-13 13:01:21,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 240 transitions, 528 flow [2024-11-13 13:01:21,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 749 transitions. [2024-11-13 13:01:21,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.931592039800995 [2024-11-13 13:01:21,658 INFO L175 Difference]: Start difference. First operand has 246 places, 248 transitions, 514 flow. Second operand 3 states and 749 transitions. [2024-11-13 13:01:21,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 240 transitions, 528 flow [2024-11-13 13:01:21,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 240 transitions, 516 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-13 13:01:21,672 INFO L231 Difference]: Finished difference. Result has 241 places, 237 transitions, 484 flow [2024-11-13 13:01:21,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=241, PETRI_TRANSITIONS=237} [2024-11-13 13:01:21,682 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -5 predicate places. [2024-11-13 13:01:21,682 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 237 transitions, 484 flow [2024-11-13 13:01:21,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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 13:01:21,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:21,684 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 13:01:21,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:01:21,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:21,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:21,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1551836755, now seen corresponding path program 1 times [2024-11-13 13:01:21,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:21,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479887637] [2024-11-13 13:01:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:21,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:21,783 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 13:01:21,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:21,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479887637] [2024-11-13 13:01:21,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479887637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:21,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:21,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:21,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779460385] [2024-11-13 13:01:21,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:21,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:21,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:21,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:21,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:21,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 268 [2024-11-13 13:01:21,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 237 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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 13:01:21,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:21,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 268 [2024-11-13 13:01:21,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:21,975 INFO L124 PetriNetUnfolderBase]: 13/339 cut-off events. [2024-11-13 13:01:21,975 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:01:21,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 339 events. 13/339 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1046 event pairs, 5 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 346. Up to 27 conditions per place. [2024-11-13 13:01:21,982 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 13 selfloop transitions, 2 changer transitions 0/236 dead transitions. [2024-11-13 13:01:21,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 236 transitions, 512 flow [2024-11-13 13:01:21,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2024-11-13 13:01:21,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9228855721393034 [2024-11-13 13:01:21,986 INFO L175 Difference]: Start difference. First operand has 241 places, 237 transitions, 484 flow. Second operand 3 states and 742 transitions. [2024-11-13 13:01:21,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 236 transitions, 512 flow [2024-11-13 13:01:21,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 236 transitions, 508 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:21,998 INFO L231 Difference]: Finished difference. Result has 237 places, 236 transitions, 482 flow [2024-11-13 13:01:21,998 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=237, PETRI_TRANSITIONS=236} [2024-11-13 13:01:21,999 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -9 predicate places. [2024-11-13 13:01:22,000 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 236 transitions, 482 flow [2024-11-13 13:01:22,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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 13:01:22,001 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:22,001 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] [2024-11-13 13:01:22,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:01:22,002 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:22,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:22,002 INFO L85 PathProgramCache]: Analyzing trace with hash 569258591, now seen corresponding path program 1 times [2024-11-13 13:01:22,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:22,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144857560] [2024-11-13 13:01:22,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:01:22,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:22,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144857560] [2024-11-13 13:01:22,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144857560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:22,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:22,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:22,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126511169] [2024-11-13 13:01:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:22,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:22,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:22,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:22,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:22,130 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-13 13:01:22,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 236 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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 13:01:22,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:22,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-13 13:01:22,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:22,260 INFO L124 PetriNetUnfolderBase]: 25/432 cut-off events. [2024-11-13 13:01:22,260 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 13:01:22,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 432 events. 25/432 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1672 event pairs, 12 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 452. Up to 46 conditions per place. [2024-11-13 13:01:22,265 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 14 selfloop transitions, 1 changer transitions 0/232 dead transitions. [2024-11-13 13:01:22,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 232 transitions, 504 flow [2024-11-13 13:01:22,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2024-11-13 13:01:22,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9191542288557214 [2024-11-13 13:01:22,268 INFO L175 Difference]: Start difference. First operand has 237 places, 236 transitions, 482 flow. Second operand 3 states and 739 transitions. [2024-11-13 13:01:22,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 232 transitions, 504 flow [2024-11-13 13:01:22,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 232 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:22,275 INFO L231 Difference]: Finished difference. Result has 233 places, 232 transitions, 472 flow [2024-11-13 13:01:22,275 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=233, PETRI_TRANSITIONS=232} [2024-11-13 13:01:22,277 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2024-11-13 13:01:22,277 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 232 transitions, 472 flow [2024-11-13 13:01:22,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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 13:01:22,278 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:22,278 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] [2024-11-13 13:01:22,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:01:22,279 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:22,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2126890602, now seen corresponding path program 1 times [2024-11-13 13:01:22,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:22,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844664901] [2024-11-13 13:01:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:23,231 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 13:01:23,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:23,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844664901] [2024-11-13 13:01:23,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844664901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:23,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:23,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:23,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883915246] [2024-11-13 13:01:23,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:23,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:23,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:23,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:23,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:23,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 268 [2024-11-13 13:01:23,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 232 transitions, 472 flow. Second operand has 6 states, 6 states have (on average 228.5) internal successors, (1371), 6 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:01:23,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:23,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 268 [2024-11-13 13:01:23,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:24,055 INFO L124 PetriNetUnfolderBase]: 394/2180 cut-off events. [2024-11-13 13:01:24,057 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-13 13:01:24,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2799 conditions, 2180 events. 394/2180 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 17687 event pairs, 264 based on Foata normal form. 0/1774 useless extension candidates. Maximal degree in co-relation 2761. Up to 580 conditions per place. [2024-11-13 13:01:24,085 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 26 selfloop transitions, 5 changer transitions 0/231 dead transitions. [2024-11-13 13:01:24,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 231 transitions, 532 flow [2024-11-13 13:01:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:01:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:01:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1394 transitions. [2024-11-13 13:01:24,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8669154228855721 [2024-11-13 13:01:24,092 INFO L175 Difference]: Start difference. First operand has 233 places, 232 transitions, 472 flow. Second operand 6 states and 1394 transitions. [2024-11-13 13:01:24,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 231 transitions, 532 flow [2024-11-13 13:01:24,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 231 transitions, 531 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:01:24,098 INFO L231 Difference]: Finished difference. Result has 236 places, 231 transitions, 479 flow [2024-11-13 13:01:24,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=479, PETRI_PLACES=236, PETRI_TRANSITIONS=231} [2024-11-13 13:01:24,100 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -10 predicate places. [2024-11-13 13:01:24,101 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 231 transitions, 479 flow [2024-11-13 13:01:24,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.5) internal successors, (1371), 6 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:01:24,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:24,103 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] [2024-11-13 13:01:24,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:01:24,103 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:24,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1157607910, now seen corresponding path program 1 times [2024-11-13 13:01:24,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:24,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333898511] [2024-11-13 13:01:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:24,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:24,176 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 13:01:24,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:24,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333898511] [2024-11-13 13:01:24,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333898511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:24,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:24,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:24,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864944016] [2024-11-13 13:01:24,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:24,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:24,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:24,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:24,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:24,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 268 [2024-11-13 13:01:24,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 231 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 13:01:24,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:24,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 268 [2024-11-13 13:01:24,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:24,314 INFO L124 PetriNetUnfolderBase]: 24/402 cut-off events. [2024-11-13 13:01:24,314 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 13:01:24,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 402 events. 24/402 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1539 event pairs, 15 based on Foata normal form. 0/352 useless extension candidates. Maximal degree in co-relation 441. Up to 40 conditions per place. [2024-11-13 13:01:24,319 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 12 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2024-11-13 13:01:24,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 230 transitions, 505 flow [2024-11-13 13:01:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2024-11-13 13:01:24,322 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253731343283582 [2024-11-13 13:01:24,322 INFO L175 Difference]: Start difference. First operand has 236 places, 231 transitions, 479 flow. Second operand 3 states and 744 transitions. [2024-11-13 13:01:24,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 230 transitions, 505 flow [2024-11-13 13:01:24,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 230 transitions, 495 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:01:24,327 INFO L231 Difference]: Finished difference. Result has 232 places, 230 transitions, 471 flow [2024-11-13 13:01:24,328 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=232, PETRI_TRANSITIONS=230} [2024-11-13 13:01:24,328 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -14 predicate places. [2024-11-13 13:01:24,328 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 230 transitions, 471 flow [2024-11-13 13:01:24,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 13:01:24,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:24,329 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] [2024-11-13 13:01:24,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:01:24,330 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:24,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:24,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2033645669, now seen corresponding path program 1 times [2024-11-13 13:01:24,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:24,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262815775] [2024-11-13 13:01:24,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:24,372 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 13:01:24,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:24,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262815775] [2024-11-13 13:01:24,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262815775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:24,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:24,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:24,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145212524] [2024-11-13 13:01:24,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:24,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:24,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:24,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:24,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:24,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-13 13:01:24,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 230 transitions, 471 flow. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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 13:01:24,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:24,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-13 13:01:24,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:24,517 INFO L124 PetriNetUnfolderBase]: 37/538 cut-off events. [2024-11-13 13:01:24,517 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-13 13:01:24,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 538 events. 37/538 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2444 event pairs, 20 based on Foata normal form. 0/466 useless extension candidates. Maximal degree in co-relation 567. Up to 56 conditions per place. [2024-11-13 13:01:24,523 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 14 selfloop transitions, 1 changer transitions 0/226 dead transitions. [2024-11-13 13:01:24,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 226 transitions, 493 flow [2024-11-13 13:01:24,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2024-11-13 13:01:24,526 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9191542288557214 [2024-11-13 13:01:24,526 INFO L175 Difference]: Start difference. First operand has 232 places, 230 transitions, 471 flow. Second operand 3 states and 739 transitions. [2024-11-13 13:01:24,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 226 transitions, 493 flow [2024-11-13 13:01:24,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 226 transitions, 489 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:24,530 INFO L231 Difference]: Finished difference. Result has 228 places, 226 transitions, 461 flow [2024-11-13 13:01:24,531 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=228, PETRI_TRANSITIONS=226} [2024-11-13 13:01:24,532 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -18 predicate places. [2024-11-13 13:01:24,532 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 226 transitions, 461 flow [2024-11-13 13:01:24,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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 13:01:24,533 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:24,533 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:24,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:01:24,533 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:24,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:24,534 INFO L85 PathProgramCache]: Analyzing trace with hash 664081941, now seen corresponding path program 1 times [2024-11-13 13:01:24,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:24,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180514854] [2024-11-13 13:01:24,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:24,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:24,604 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 13:01:24,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:24,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180514854] [2024-11-13 13:01:24,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180514854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:24,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:24,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:24,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949802689] [2024-11-13 13:01:24,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:24,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:24,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:24,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:24,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:24,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-13 13:01:24,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 226 transitions, 461 flow. Second operand has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 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 13:01:24,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:24,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-13 13:01:24,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:24,687 INFO L124 PetriNetUnfolderBase]: 14/291 cut-off events. [2024-11-13 13:01:24,687 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:01:24,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 291 events. 14/291 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 763 event pairs, 2 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 293. Up to 14 conditions per place. [2024-11-13 13:01:24,690 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 10 selfloop transitions, 3 changer transitions 0/226 dead transitions. [2024-11-13 13:01:24,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 226 transitions, 489 flow [2024-11-13 13:01:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:24,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-13 13:01:24,693 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-13 13:01:24,693 INFO L175 Difference]: Start difference. First operand has 228 places, 226 transitions, 461 flow. Second operand 3 states and 753 transitions. [2024-11-13 13:01:24,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 226 transitions, 489 flow [2024-11-13 13:01:24,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 226 transitions, 488 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:01:24,698 INFO L231 Difference]: Finished difference. Result has 227 places, 224 transitions, 462 flow [2024-11-13 13:01:24,699 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=227, PETRI_TRANSITIONS=224} [2024-11-13 13:01:24,699 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -19 predicate places. [2024-11-13 13:01:24,699 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 224 transitions, 462 flow [2024-11-13 13:01:24,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 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 13:01:24,700 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:24,700 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 13:01:24,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:01:24,701 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:24,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:24,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1767361641, now seen corresponding path program 1 times [2024-11-13 13:01:24,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:24,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605796733] [2024-11-13 13:01:24,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:24,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:24,757 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 13:01:24,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:24,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605796733] [2024-11-13 13:01:24,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605796733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:24,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:24,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:24,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759933597] [2024-11-13 13:01:24,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:24,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:24,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:24,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:24,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:24,783 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 268 [2024-11-13 13:01:24,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 224 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 13:01:24,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:24,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 268 [2024-11-13 13:01:24,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:24,999 INFO L124 PetriNetUnfolderBase]: 114/1110 cut-off events. [2024-11-13 13:01:25,000 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-13 13:01:25,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1309 conditions, 1110 events. 114/1110 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7448 event pairs, 22 based on Foata normal form. 0/965 useless extension candidates. Maximal degree in co-relation 1271. Up to 161 conditions per place. [2024-11-13 13:01:25,010 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 18 selfloop transitions, 3 changer transitions 0/229 dead transitions. [2024-11-13 13:01:25,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 229 transitions, 519 flow [2024-11-13 13:01:25,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-13 13:01:25,013 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-13 13:01:25,013 INFO L175 Difference]: Start difference. First operand has 227 places, 224 transitions, 462 flow. Second operand 3 states and 753 transitions. [2024-11-13 13:01:25,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 229 transitions, 519 flow [2024-11-13 13:01:25,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 229 transitions, 513 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:25,020 INFO L231 Difference]: Finished difference. Result has 225 places, 224 transitions, 471 flow [2024-11-13 13:01:25,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=225, PETRI_TRANSITIONS=224} [2024-11-13 13:01:25,023 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -21 predicate places. [2024-11-13 13:01:25,023 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 224 transitions, 471 flow [2024-11-13 13:01:25,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 13:01:25,024 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:25,024 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] [2024-11-13 13:01:25,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:01:25,025 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:25,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:25,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1843358746, now seen corresponding path program 1 times [2024-11-13 13:01:25,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:25,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377163785] [2024-11-13 13:01:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:25,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:25,077 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 13:01:25,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:25,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377163785] [2024-11-13 13:01:25,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377163785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:25,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:25,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:25,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31319267] [2024-11-13 13:01:25,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:25,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:25,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:25,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:25,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:25,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-13 13:01:25,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 224 transitions, 471 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 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 13:01:25,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:25,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-13 13:01:25,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:25,212 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([699] thread3EXIT-->L87: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][210], [288#(= |#race~M~0| 0), Black: 292#true, 294#(= |#race~A~0| 0), 276#(= |#race~N~0| 0), 296#true, 54#L87true]) [2024-11-13 13:01:25,212 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is not cut-off event [2024-11-13 13:01:25,213 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is not cut-off event [2024-11-13 13:01:25,213 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is not cut-off event [2024-11-13 13:01:25,213 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is not cut-off event [2024-11-13 13:01:25,214 INFO L124 PetriNetUnfolderBase]: 57/541 cut-off events. [2024-11-13 13:01:25,214 INFO L125 PetriNetUnfolderBase]: For 21/32 co-relation queries the response was YES. [2024-11-13 13:01:25,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 541 events. 57/541 cut-off events. For 21/32 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2412 event pairs, 5 based on Foata normal form. 1/492 useless extension candidates. Maximal degree in co-relation 634. Up to 45 conditions per place. [2024-11-13 13:01:25,220 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 10 selfloop transitions, 3 changer transitions 0/224 dead transitions. [2024-11-13 13:01:25,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 224 transitions, 499 flow [2024-11-13 13:01:25,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:25,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-13 13:01:25,222 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-13 13:01:25,223 INFO L175 Difference]: Start difference. First operand has 225 places, 224 transitions, 471 flow. Second operand 3 states and 753 transitions. [2024-11-13 13:01:25,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 224 transitions, 499 flow [2024-11-13 13:01:25,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 224 transitions, 499 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:01:25,227 INFO L231 Difference]: Finished difference. Result has 225 places, 222 transitions, 473 flow [2024-11-13 13:01:25,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=225, PETRI_TRANSITIONS=222} [2024-11-13 13:01:25,228 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -21 predicate places. [2024-11-13 13:01:25,228 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 222 transitions, 473 flow [2024-11-13 13:01:25,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 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 13:01:25,228 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:25,229 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 13:01:25,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:01:25,229 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:25,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:25,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1719601083, now seen corresponding path program 1 times [2024-11-13 13:01:25,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:25,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3468458] [2024-11-13 13:01:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:25,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:25,424 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 13:01:25,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:25,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3468458] [2024-11-13 13:01:25,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3468458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:25,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:25,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:01:25,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205954311] [2024-11-13 13:01:25,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:25,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:01:25,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:25,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:01:25,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:01:25,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-13 13:01:25,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 222 transitions, 473 flow. Second operand has 7 states, 7 states have (on average 239.85714285714286) internal successors, (1679), 7 states have internal predecessors, (1679), 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 13:01:25,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:25,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-13 13:01:25,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:25,979 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([699] thread3EXIT-->L87: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][234], [288#(= |#race~M~0| 0), 299#true, Black: 292#true, 294#(= |#race~A~0| 0), 276#(= |#race~N~0| 0), 296#true, 54#L87true]) [2024-11-13 13:01:25,979 INFO L294 olderBase$Statistics]: this new event has 206 ancestors and is cut-off event [2024-11-13 13:01:25,979 INFO L297 olderBase$Statistics]: existing Event has 184 ancestors and is cut-off event [2024-11-13 13:01:25,979 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2024-11-13 13:01:25,979 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2024-11-13 13:01:25,980 INFO L124 PetriNetUnfolderBase]: 56/741 cut-off events. [2024-11-13 13:01:25,980 INFO L125 PetriNetUnfolderBase]: For 9/32 co-relation queries the response was YES. [2024-11-13 13:01:25,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 741 events. 56/741 cut-off events. For 9/32 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3644 event pairs, 18 based on Foata normal form. 5/688 useless extension candidates. Maximal degree in co-relation 884. Up to 62 conditions per place. [2024-11-13 13:01:25,988 INFO L140 encePairwiseOnDemand]: 255/268 looper letters, 22 selfloop transitions, 14 changer transitions 0/237 dead transitions. [2024-11-13 13:01:25,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 237 transitions, 583 flow [2024-11-13 13:01:25,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:01:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 13:01:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2417 transitions. [2024-11-13 13:01:25,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9018656716417911 [2024-11-13 13:01:25,996 INFO L175 Difference]: Start difference. First operand has 225 places, 222 transitions, 473 flow. Second operand 10 states and 2417 transitions. [2024-11-13 13:01:25,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 237 transitions, 583 flow [2024-11-13 13:01:25,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 237 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:26,006 INFO L231 Difference]: Finished difference. Result has 236 places, 229 transitions, 533 flow [2024-11-13 13:01:26,006 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=533, PETRI_PLACES=236, PETRI_TRANSITIONS=229} [2024-11-13 13:01:26,007 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -10 predicate places. [2024-11-13 13:01:26,007 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 229 transitions, 533 flow [2024-11-13 13:01:26,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 239.85714285714286) internal successors, (1679), 7 states have internal predecessors, (1679), 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 13:01:26,008 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:26,008 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] [2024-11-13 13:01:26,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:01:26,009 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:26,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1405712807, now seen corresponding path program 1 times [2024-11-13 13:01:26,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:26,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067374413] [2024-11-13 13:01:26,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:26,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:26,076 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 13:01:26,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:26,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067374413] [2024-11-13 13:01:26,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067374413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:26,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:26,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:26,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524483096] [2024-11-13 13:01:26,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:26,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:26,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:26,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:26,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:26,094 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-13 13:01:26,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 229 transitions, 533 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 13:01:26,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:26,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-13 13:01:26,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:26,274 INFO L124 PetriNetUnfolderBase]: 91/737 cut-off events. [2024-11-13 13:01:26,274 INFO L125 PetriNetUnfolderBase]: For 54/65 co-relation queries the response was YES. [2024-11-13 13:01:26,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 965 conditions, 737 events. 91/737 cut-off events. For 54/65 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3772 event pairs, 7 based on Foata normal form. 4/689 useless extension candidates. Maximal degree in co-relation 919. Up to 78 conditions per place. [2024-11-13 13:01:26,286 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 8 selfloop transitions, 2 changer transitions 6/229 dead transitions. [2024-11-13 13:01:26,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 229 transitions, 559 flow [2024-11-13 13:01:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:26,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2024-11-13 13:01:26,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2024-11-13 13:01:26,290 INFO L175 Difference]: Start difference. First operand has 236 places, 229 transitions, 533 flow. Second operand 3 states and 752 transitions. [2024-11-13 13:01:26,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 229 transitions, 559 flow [2024-11-13 13:01:26,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 229 transitions, 555 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:01:26,301 INFO L231 Difference]: Finished difference. Result has 235 places, 221 transitions, 516 flow [2024-11-13 13:01:26,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=235, PETRI_TRANSITIONS=221} [2024-11-13 13:01:26,302 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -11 predicate places. [2024-11-13 13:01:26,302 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 221 transitions, 516 flow [2024-11-13 13:01:26,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 13:01:26,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:26,304 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] [2024-11-13 13:01:26,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:01:26,304 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:26,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:26,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1702111860, now seen corresponding path program 1 times [2024-11-13 13:01:26,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:26,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404170945] [2024-11-13 13:01:26,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:26,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:26,500 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 13:01:26,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:26,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404170945] [2024-11-13 13:01:26,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404170945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:26,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:26,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:26,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109331008] [2024-11-13 13:01:26,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:26,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:01:26,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:26,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:01:26,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:01:26,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-13 13:01:26,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 221 transitions, 516 flow. Second operand has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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 13:01:26,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:26,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-13 13:01:26,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:26,816 INFO L124 PetriNetUnfolderBase]: 94/1147 cut-off events. [2024-11-13 13:01:26,816 INFO L125 PetriNetUnfolderBase]: For 56/65 co-relation queries the response was YES. [2024-11-13 13:01:26,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 1147 events. 94/1147 cut-off events. For 56/65 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7184 event pairs, 35 based on Foata normal form. 8/1071 useless extension candidates. Maximal degree in co-relation 1429. Up to 103 conditions per place. [2024-11-13 13:01:26,831 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 22 selfloop transitions, 5 changer transitions 0/231 dead transitions. [2024-11-13 13:01:26,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 231 transitions, 597 flow [2024-11-13 13:01:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:01:26,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:01:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1228 transitions. [2024-11-13 13:01:26,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9164179104477612 [2024-11-13 13:01:26,835 INFO L175 Difference]: Start difference. First operand has 235 places, 221 transitions, 516 flow. Second operand 5 states and 1228 transitions. [2024-11-13 13:01:26,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 231 transitions, 597 flow [2024-11-13 13:01:26,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 231 transitions, 593 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:26,840 INFO L231 Difference]: Finished difference. Result has 233 places, 223 transitions, 537 flow [2024-11-13 13:01:26,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=537, PETRI_PLACES=233, PETRI_TRANSITIONS=223} [2024-11-13 13:01:26,841 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2024-11-13 13:01:26,841 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 223 transitions, 537 flow [2024-11-13 13:01:26,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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 13:01:26,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:26,843 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:26,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:01:26,843 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:26,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash 525504077, now seen corresponding path program 1 times [2024-11-13 13:01:26,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:26,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604701104] [2024-11-13 13:01:26,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:26,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:27,358 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 13:01:27,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:27,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604701104] [2024-11-13 13:01:27,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604701104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:27,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:27,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:27,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836855822] [2024-11-13 13:01:27,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:27,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:27,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:27,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:27,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:27,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-13 13:01:27,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 223 transitions, 537 flow. Second operand has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 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 13:01:27,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:27,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-13 13:01:27,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:27,905 INFO L124 PetriNetUnfolderBase]: 111/1171 cut-off events. [2024-11-13 13:01:27,905 INFO L125 PetriNetUnfolderBase]: For 138/147 co-relation queries the response was YES. [2024-11-13 13:01:27,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1597 conditions, 1171 events. 111/1171 cut-off events. For 138/147 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7393 event pairs, 32 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 1549. Up to 124 conditions per place. [2024-11-13 13:01:27,919 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 24 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2024-11-13 13:01:27,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 230 transitions, 617 flow [2024-11-13 13:01:27,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:01:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:01:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-13 13:01:27,925 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-13 13:01:27,926 INFO L175 Difference]: Start difference. First operand has 233 places, 223 transitions, 537 flow. Second operand 6 states and 1456 transitions. [2024-11-13 13:01:27,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 230 transitions, 617 flow [2024-11-13 13:01:27,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 230 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:27,933 INFO L231 Difference]: Finished difference. Result has 235 places, 222 transitions, 540 flow [2024-11-13 13:01:27,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=540, PETRI_PLACES=235, PETRI_TRANSITIONS=222} [2024-11-13 13:01:27,935 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -11 predicate places. [2024-11-13 13:01:27,935 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 222 transitions, 540 flow [2024-11-13 13:01:27,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 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 13:01:27,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:27,937 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:27,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:01:27,937 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:27,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:27,938 INFO L85 PathProgramCache]: Analyzing trace with hash 90031999, now seen corresponding path program 1 times [2024-11-13 13:01:27,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:27,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2185080] [2024-11-13 13:01:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:27,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:28,548 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 13:01:28,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:28,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2185080] [2024-11-13 13:01:28,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2185080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:28,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:28,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:28,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960892217] [2024-11-13 13:01:28,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:28,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:28,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:28,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:28,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:28,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-13 13:01:28,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 222 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 239.83333333333334) internal successors, (1439), 6 states have internal predecessors, (1439), 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 13:01:28,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:28,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-13 13:01:28,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:29,079 INFO L124 PetriNetUnfolderBase]: 181/1135 cut-off events. [2024-11-13 13:01:29,080 INFO L125 PetriNetUnfolderBase]: For 138/203 co-relation queries the response was YES. [2024-11-13 13:01:29,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1619 conditions, 1135 events. 181/1135 cut-off events. For 138/203 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7204 event pairs, 44 based on Foata normal form. 8/1072 useless extension candidates. Maximal degree in co-relation 1571. Up to 173 conditions per place. [2024-11-13 13:01:29,096 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 22 selfloop transitions, 5 changer transitions 0/229 dead transitions. [2024-11-13 13:01:29,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 229 transitions, 616 flow [2024-11-13 13:01:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:01:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:01:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-13 13:01:29,100 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-13 13:01:29,100 INFO L175 Difference]: Start difference. First operand has 235 places, 222 transitions, 540 flow. Second operand 6 states and 1456 transitions. [2024-11-13 13:01:29,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 229 transitions, 616 flow [2024-11-13 13:01:29,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 229 transitions, 606 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:01:29,106 INFO L231 Difference]: Finished difference. Result has 234 places, 221 transitions, 538 flow [2024-11-13 13:01:29,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=538, PETRI_PLACES=234, PETRI_TRANSITIONS=221} [2024-11-13 13:01:29,107 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -12 predicate places. [2024-11-13 13:01:29,107 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 221 transitions, 538 flow [2024-11-13 13:01:29,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.83333333333334) internal successors, (1439), 6 states have internal predecessors, (1439), 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 13:01:29,108 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:29,108 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:29,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:01:29,108 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:29,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:29,109 INFO L85 PathProgramCache]: Analyzing trace with hash -53134256, now seen corresponding path program 1 times [2024-11-13 13:01:29,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:29,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215538974] [2024-11-13 13:01:29,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:29,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:29,161 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 13:01:29,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:29,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215538974] [2024-11-13 13:01:29,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215538974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:29,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:29,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:29,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751819116] [2024-11-13 13:01:29,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:29,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:29,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:29,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:29,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:29,179 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-13 13:01:29,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 221 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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 13:01:29,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:29,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-13 13:01:29,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:29,365 INFO L124 PetriNetUnfolderBase]: 83/1048 cut-off events. [2024-11-13 13:01:29,365 INFO L125 PetriNetUnfolderBase]: For 46/51 co-relation queries the response was YES. [2024-11-13 13:01:29,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1385 conditions, 1048 events. 83/1048 cut-off events. For 46/51 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6113 event pairs, 19 based on Foata normal form. 0/994 useless extension candidates. Maximal degree in co-relation 1338. Up to 86 conditions per place. [2024-11-13 13:01:29,377 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 10 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2024-11-13 13:01:29,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 222 transitions, 566 flow [2024-11-13 13:01:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-13 13:01:29,381 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-13 13:01:29,381 INFO L175 Difference]: Start difference. First operand has 234 places, 221 transitions, 538 flow. Second operand 3 states and 751 transitions. [2024-11-13 13:01:29,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 222 transitions, 566 flow [2024-11-13 13:01:29,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 222 transitions, 556 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:01:29,386 INFO L231 Difference]: Finished difference. Result has 230 places, 220 transitions, 530 flow [2024-11-13 13:01:29,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=230, PETRI_TRANSITIONS=220} [2024-11-13 13:01:29,387 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -16 predicate places. [2024-11-13 13:01:29,387 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 220 transitions, 530 flow [2024-11-13 13:01:29,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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 13:01:29,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:29,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:29,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:01:29,388 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:29,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:29,388 INFO L85 PathProgramCache]: Analyzing trace with hash 34690855, now seen corresponding path program 1 times [2024-11-13 13:01:29,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:29,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755537061] [2024-11-13 13:01:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:29,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:01:29,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:29,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755537061] [2024-11-13 13:01:29,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755537061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:29,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:29,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:29,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585561054] [2024-11-13 13:01:29,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:29,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:29,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:29,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:29,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:30,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-13 13:01:30,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 220 transitions, 530 flow. Second operand has 6 states, 6 states have (on average 240.16666666666666) internal successors, (1441), 6 states have internal predecessors, (1441), 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 13:01:30,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:30,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-13 13:01:30,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:30,425 INFO L124 PetriNetUnfolderBase]: 90/1043 cut-off events. [2024-11-13 13:01:30,425 INFO L125 PetriNetUnfolderBase]: For 76/98 co-relation queries the response was YES. [2024-11-13 13:01:30,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1487 conditions, 1043 events. 90/1043 cut-off events. For 76/98 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6311 event pairs, 27 based on Foata normal form. 4/1004 useless extension candidates. Maximal degree in co-relation 1439. Up to 118 conditions per place. [2024-11-13 13:01:30,436 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 24 selfloop transitions, 5 changer transitions 0/227 dead transitions. [2024-11-13 13:01:30,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 227 transitions, 610 flow [2024-11-13 13:01:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:01:30,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:01:30,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-13 13:01:30,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-13 13:01:30,441 INFO L175 Difference]: Start difference. First operand has 230 places, 220 transitions, 530 flow. Second operand 6 states and 1456 transitions. [2024-11-13 13:01:30,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 227 transitions, 610 flow [2024-11-13 13:01:30,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 227 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:30,446 INFO L231 Difference]: Finished difference. Result has 232 places, 219 transitions, 534 flow [2024-11-13 13:01:30,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=232, PETRI_TRANSITIONS=219} [2024-11-13 13:01:30,447 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -14 predicate places. [2024-11-13 13:01:30,448 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 219 transitions, 534 flow [2024-11-13 13:01:30,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 240.16666666666666) internal successors, (1441), 6 states have internal predecessors, (1441), 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 13:01:30,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:30,449 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:30,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:01:30,449 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:30,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:30,450 INFO L85 PathProgramCache]: Analyzing trace with hash 191753666, now seen corresponding path program 1 times [2024-11-13 13:01:30,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:30,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408302562] [2024-11-13 13:01:30,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:30,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:30,508 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 13:01:30,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:30,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408302562] [2024-11-13 13:01:30,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408302562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:30,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:30,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:30,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707434266] [2024-11-13 13:01:30,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:30,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:30,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:30,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:30,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:30,526 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-13 13:01:30,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 219 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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 13:01:30,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:30,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-13 13:01:30,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:30,729 INFO L124 PetriNetUnfolderBase]: 141/1096 cut-off events. [2024-11-13 13:01:30,729 INFO L125 PetriNetUnfolderBase]: For 99/120 co-relation queries the response was YES. [2024-11-13 13:01:30,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1503 conditions, 1096 events. 141/1096 cut-off events. For 99/120 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6829 event pairs, 40 based on Foata normal form. 0/1044 useless extension candidates. Maximal degree in co-relation 1456. Up to 169 conditions per place. [2024-11-13 13:01:30,739 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 10 selfloop transitions, 2 changer transitions 6/220 dead transitions. [2024-11-13 13:01:30,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 220 transitions, 562 flow [2024-11-13 13:01:30,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-13 13:01:30,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-13 13:01:30,742 INFO L175 Difference]: Start difference. First operand has 232 places, 219 transitions, 534 flow. Second operand 3 states and 751 transitions. [2024-11-13 13:01:30,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 220 transitions, 562 flow [2024-11-13 13:01:30,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 220 transitions, 552 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:01:30,746 INFO L231 Difference]: Finished difference. Result has 228 places, 212 transitions, 494 flow [2024-11-13 13:01:30,747 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=228, PETRI_TRANSITIONS=212} [2024-11-13 13:01:30,747 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -18 predicate places. [2024-11-13 13:01:30,748 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 212 transitions, 494 flow [2024-11-13 13:01:30,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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 13:01:30,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:30,749 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] [2024-11-13 13:01:30,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:01:30,750 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-13 13:01:30,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:30,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1591742378, now seen corresponding path program 1 times [2024-11-13 13:01:30,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:30,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685955008] [2024-11-13 13:01:30,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:30,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:01:30,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:30,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685955008] [2024-11-13 13:01:30,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685955008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:30,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:30,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:30,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083802484] [2024-11-13 13:01:30,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:30,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:30,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:30,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:30,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:30,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-13 13:01:30,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 212 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 13:01:30,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:30,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-13 13:01:30,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:30,947 INFO L124 PetriNetUnfolderBase]: 56/685 cut-off events. [2024-11-13 13:01:30,947 INFO L125 PetriNetUnfolderBase]: For 10/26 co-relation queries the response was YES. [2024-11-13 13:01:30,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 685 events. 56/685 cut-off events. For 10/26 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3407 event pairs, 17 based on Foata normal form. 2/672 useless extension candidates. Maximal degree in co-relation 865. Up to 58 conditions per place. [2024-11-13 13:01:30,952 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 0 selfloop transitions, 0 changer transitions 213/213 dead transitions. [2024-11-13 13:01:30,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 213 transitions, 522 flow [2024-11-13 13:01:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-13 13:01:30,955 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-13 13:01:30,955 INFO L175 Difference]: Start difference. First operand has 228 places, 212 transitions, 494 flow. Second operand 3 states and 751 transitions. [2024-11-13 13:01:30,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 213 transitions, 522 flow [2024-11-13 13:01:30,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 213 transitions, 498 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-13 13:01:30,960 INFO L231 Difference]: Finished difference. Result has 217 places, 0 transitions, 0 flow [2024-11-13 13:01:30,960 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=217, PETRI_TRANSITIONS=0} [2024-11-13 13:01:30,961 INFO L277 CegarLoopForPetriNet]: 246 programPoint places, -29 predicate places. [2024-11-13 13:01:30,961 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 0 transitions, 0 flow [2024-11-13 13:01:30,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 13:01:30,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-11-13 13:01:30,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-13 13:01:30,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-13 13:01:30,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-13 13:01:30,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-13 13:01:30,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-13 13:01:30,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-13 13:01:30,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-13 13:01:30,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-11-13 13:01:30,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-13 13:01:30,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 46 remaining) [2024-11-13 13:01:30,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 46 remaining) [2024-11-13 13:01:30,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 46 remaining) [2024-11-13 13:01:30,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-13 13:01:30,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-13 13:01:30,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-13 13:01:30,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-13 13:01:30,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-13 13:01:30,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-13 13:01:30,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-13 13:01:30,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-13 13:01:30,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:01:30,971 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:30,979 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:01:30,979 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:01:30,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:01:30 BasicIcfg [2024-11-13 13:01:30,989 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:01:30,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:01:30,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:01:30,990 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:01:30,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:01:20" (3/4) ... [2024-11-13 13:01:30,994 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:01:30,998 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 13:01:30,998 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 13:01:30,998 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 13:01:31,006 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 13:01:31,007 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:01:31,007 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:01:31,007 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:01:31,109 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:01:31,110 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:01:31,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:01:31,113 INFO L158 Benchmark]: Toolchain (without parser) took 11982.62ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 93.1MB in the beginning and 144.8MB in the end (delta: -51.7MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. [2024-11-13 13:01:31,113 INFO L158 Benchmark]: CDTParser took 1.58ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:01:31,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.86ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.5MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:01:31,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.01ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:01:31,115 INFO L158 Benchmark]: Boogie Preprocessor took 84.92ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:01:31,115 INFO L158 Benchmark]: RCFGBuilder took 916.63ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 55.6MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:01:31,116 INFO L158 Benchmark]: TraceAbstraction took 10416.96ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 54.9MB in the beginning and 153.2MB in the end (delta: -98.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2024-11-13 13:01:31,117 INFO L158 Benchmark]: Witness Printer took 120.77ms. Allocated memory is still 285.2MB. Free memory was 153.2MB in the beginning and 144.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:01:31,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.86ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.5MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.01ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.92ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 916.63ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 55.6MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10416.96ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 54.9MB in the beginning and 153.2MB in the end (delta: -98.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Witness Printer took 120.77ms. Allocated memory is still 285.2MB. Free memory was 153.2MB in the beginning and 144.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 361 locations, 46 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: 10.2s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 961 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 526 mSDsluCounter, 448 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1560 IncrementalHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 120 mSDtfsCounter, 1560 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=13, InterpolantAutomatonStates: 75, 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, 1540 NumberOfCodeBlocks, 1540 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1522 ConstructedInterpolants, 0 QuantifiedInterpolants, 2228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 2/2 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 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:01:31,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7867c333-9f5b-4320-bdfe-b140a4c5d845/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