./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --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_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/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_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/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_fedee381-e665-44a6-b2ca-5d3e04054905/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 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:13:01,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:13:01,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:13:01,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:13:01,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:13:01,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:13:01,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:13:01,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:13:01,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:13:01,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:13:01,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:13:01,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:13:01,343 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:13:01,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:13:01,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:13:01,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:13:01,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:13:01,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:13:01,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:13:01,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:13:01,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:13:01,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:13:01,345 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:13:01,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:13:01,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:13:01,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:13:01,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:13:01,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:13:01,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:13:01,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:13:01,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:13:01,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:13:01,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:13:01,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:13:01,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:13:01,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:13:01,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:13:01,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:13:01,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:13:01,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:13:01,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:13:01,349 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_fedee381-e665-44a6-b2ca-5d3e04054905/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 -> 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c [2024-11-13 13:13:01,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:13:01,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:13:01,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:13:01,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:13:01,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:13:01,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-atomic/lamport.i Unable to find full path for "g++" [2024-11-13 13:13:04,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:13:04,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:13:04,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-13 13:13:04,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/data/5ba5f9866/ca044d8970b843dda1954f914b0cbad2/FLAGed9bb4295 [2024-11-13 13:13:04,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/data/5ba5f9866/ca044d8970b843dda1954f914b0cbad2 [2024-11-13 13:13:04,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:13:04,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:13:04,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:13:04,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:13:04,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:13:04,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:13:04" (1/1) ... [2024-11-13 13:13:04,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a6c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:04, skipping insertion in model container [2024-11-13 13:13:04,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:13:04" (1/1) ... [2024-11-13 13:13:04,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:13:05,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:13:05,382 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:13:05,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:13:05,501 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:13:05,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05 WrapperNode [2024-11-13 13:13:05,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:13:05,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:13:05,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:13:05,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:13:05,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,568 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2024-11-13 13:13:05,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:13:05,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:13:05,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:13:05,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:13:05,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:13:05,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:13:05,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:13:05,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:13:05,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (1/1) ... [2024-11-13 13:13:05,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:13:05,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:05,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:13:05,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:13:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-13 13:13:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-13 13:13:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-13 13:13:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-13 13:13:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:13:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:13:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:13:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:13:05,739 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 13:13:05,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:13:05,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:13:06,221 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:13:06,222 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:13:06,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:13:06,234 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 13:13:06,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:06 BoogieIcfgContainer [2024-11-13 13:13:06,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:13:06,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:13:06,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:13:06,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:13:06,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:13:04" (1/3) ... [2024-11-13 13:13:06,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb90c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:13:06, skipping insertion in model container [2024-11-13 13:13:06,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:05" (2/3) ... [2024-11-13 13:13:06,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb90c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:13:06, skipping insertion in model container [2024-11-13 13:13:06,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:06" (3/3) ... [2024-11-13 13:13:06,248 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2024-11-13 13:13:06,268 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:13:06,272 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG lamport.i that has 3 procedures, 100 locations, 1 initial locations, 8 loop locations, and 4 error locations. [2024-11-13 13:13:06,272 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:13:06,381 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 13:13:06,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 125 transitions, 264 flow [2024-11-13 13:13:06,522 INFO L124 PetriNetUnfolderBase]: 26/123 cut-off events. [2024-11-13 13:13:06,525 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:13:06,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 123 events. 26/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 250 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 100. Up to 5 conditions per place. [2024-11-13 13:13:06,533 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 125 transitions, 264 flow [2024-11-13 13:13:06,539 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 118 transitions, 245 flow [2024-11-13 13:13:06,554 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:13:06,572 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;@23b9a4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:13:06,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-13 13:13:06,588 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:13:06,588 INFO L124 PetriNetUnfolderBase]: 1/34 cut-off events. [2024-11-13 13:13:06,588 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:13:06,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:06,589 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] [2024-11-13 13:13:06,590 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:06,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:06,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1507774665, now seen corresponding path program 1 times [2024-11-13 13:13:06,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:06,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128706647] [2024-11-13 13:13:06,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:06,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:06,835 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 13:13:06,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:06,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128706647] [2024-11-13 13:13:06,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128706647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:06,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:06,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:06,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761129951] [2024-11-13 13:13:06,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:06,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:13:06,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:06,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:13:06,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:13:06,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 125 [2024-11-13 13:13:06,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 118 transitions, 245 flow. Second operand has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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 13:13:06,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:06,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 125 [2024-11-13 13:13:06,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:06,987 INFO L124 PetriNetUnfolderBase]: 12/102 cut-off events. [2024-11-13 13:13:06,987 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-13 13:13:06,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 102 events. 12/102 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 156 event pairs, 0 based on Foata normal form. 23/107 useless extension candidates. Maximal degree in co-relation 85. Up to 4 conditions per place. [2024-11-13 13:13:06,990 INFO L140 encePairwiseOnDemand]: 111/125 looper letters, 3 selfloop transitions, 0 changer transitions 0/102 dead transitions. [2024-11-13 13:13:06,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 219 flow [2024-11-13 13:13:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:13:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 13:13:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 231 transitions. [2024-11-13 13:13:07,005 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.924 [2024-11-13 13:13:07,007 INFO L175 Difference]: Start difference. First operand has 99 places, 118 transitions, 245 flow. Second operand 2 states and 231 transitions. [2024-11-13 13:13:07,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 219 flow [2024-11-13 13:13:07,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 102 transitions, 214 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 13:13:07,019 INFO L231 Difference]: Finished difference. Result has 95 places, 102 transitions, 208 flow [2024-11-13 13:13:07,022 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=208, PETRI_PLACES=95, PETRI_TRANSITIONS=102} [2024-11-13 13:13:07,027 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, -4 predicate places. [2024-11-13 13:13:07,027 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 102 transitions, 208 flow [2024-11-13 13:13:07,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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 13:13:07,028 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:07,028 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 13:13:07,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:13:07,029 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:07,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:07,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1690708805, now seen corresponding path program 1 times [2024-11-13 13:13:07,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:07,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744818144] [2024-11-13 13:13:07,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:07,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:07,155 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 13:13:07,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:07,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744818144] [2024-11-13 13:13:07,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744818144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:07,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:07,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:07,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958754452] [2024-11-13 13:13:07,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:07,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:07,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:07,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:07,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:07,194 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-13 13:13:07,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 102 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 13:13:07,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:07,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-13 13:13:07,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:07,277 INFO L124 PetriNetUnfolderBase]: 38/237 cut-off events. [2024-11-13 13:13:07,277 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 13:13:07,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 237 events. 38/237 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 906 event pairs, 11 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 303. Up to 42 conditions per place. [2024-11-13 13:13:07,282 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 11 selfloop transitions, 5 changer transitions 0/107 dead transitions. [2024-11-13 13:13:07,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 107 transitions, 252 flow [2024-11-13 13:13:07,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-13 13:13:07,288 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8373333333333334 [2024-11-13 13:13:07,289 INFO L175 Difference]: Start difference. First operand has 95 places, 102 transitions, 208 flow. Second operand 3 states and 314 transitions. [2024-11-13 13:13:07,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 107 transitions, 252 flow [2024-11-13 13:13:07,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:13:07,299 INFO L231 Difference]: Finished difference. Result has 99 places, 106 transitions, 246 flow [2024-11-13 13:13:07,299 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=99, PETRI_TRANSITIONS=106} [2024-11-13 13:13:07,301 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 0 predicate places. [2024-11-13 13:13:07,301 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 106 transitions, 246 flow [2024-11-13 13:13:07,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 13:13:07,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:07,302 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:07,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:13:07,302 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:07,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:07,303 INFO L85 PathProgramCache]: Analyzing trace with hash 824965593, now seen corresponding path program 1 times [2024-11-13 13:13:07,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:07,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754780253] [2024-11-13 13:13:07,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:07,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:07,384 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 13:13:07,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:07,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754780253] [2024-11-13 13:13:07,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754780253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:07,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:07,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:07,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928754838] [2024-11-13 13:13:07,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:07,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:07,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:07,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:07,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:07,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-13 13:13:07,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 106 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 13:13:07,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:07,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-13 13:13:07,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:07,516 INFO L124 PetriNetUnfolderBase]: 43/305 cut-off events. [2024-11-13 13:13:07,518 INFO L125 PetriNetUnfolderBase]: For 43/47 co-relation queries the response was YES. [2024-11-13 13:13:07,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 305 events. 43/305 cut-off events. For 43/47 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1332 event pairs, 6 based on Foata normal form. 1/257 useless extension candidates. Maximal degree in co-relation 435. Up to 46 conditions per place. [2024-11-13 13:13:07,522 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 12 selfloop transitions, 6 changer transitions 3/114 dead transitions. [2024-11-13 13:13:07,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 114 transitions, 315 flow [2024-11-13 13:13:07,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2024-11-13 13:13:07,526 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.848 [2024-11-13 13:13:07,529 INFO L175 Difference]: Start difference. First operand has 99 places, 106 transitions, 246 flow. Second operand 3 states and 318 transitions. [2024-11-13 13:13:07,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 114 transitions, 315 flow [2024-11-13 13:13:07,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 114 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:13:07,535 INFO L231 Difference]: Finished difference. Result has 101 places, 109 transitions, 282 flow [2024-11-13 13:13:07,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=101, PETRI_TRANSITIONS=109} [2024-11-13 13:13:07,537 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 2 predicate places. [2024-11-13 13:13:07,538 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 109 transitions, 282 flow [2024-11-13 13:13:07,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 13:13:07,539 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:07,539 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] [2024-11-13 13:13:07,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:13:07,540 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:07,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:07,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1462230823, now seen corresponding path program 1 times [2024-11-13 13:13:07,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:07,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363583589] [2024-11-13 13:13:07,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:07,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:07,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:07,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363583589] [2024-11-13 13:13:07,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363583589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:07,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:07,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:07,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599832896] [2024-11-13 13:13:07,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:07,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:07,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:07,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:07,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:07,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-13 13:13:07,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 109 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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 13:13:07,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:07,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-13 13:13:07,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:07,820 INFO L124 PetriNetUnfolderBase]: 61/353 cut-off events. [2024-11-13 13:13:07,820 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES. [2024-11-13 13:13:07,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 353 events. 61/353 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1825 event pairs, 12 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 583. Up to 68 conditions per place. [2024-11-13 13:13:07,823 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 12 selfloop transitions, 7 changer transitions 2/114 dead transitions. [2024-11-13 13:13:07,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 114 transitions, 341 flow [2024-11-13 13:13:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-13 13:13:07,825 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8373333333333334 [2024-11-13 13:13:07,825 INFO L175 Difference]: Start difference. First operand has 101 places, 109 transitions, 282 flow. Second operand 3 states and 314 transitions. [2024-11-13 13:13:07,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 114 transitions, 341 flow [2024-11-13 13:13:07,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 114 transitions, 327 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:13:07,835 INFO L231 Difference]: Finished difference. Result has 103 places, 112 transitions, 318 flow [2024-11-13 13:13:07,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=103, PETRI_TRANSITIONS=112} [2024-11-13 13:13:07,836 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 4 predicate places. [2024-11-13 13:13:07,839 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 112 transitions, 318 flow [2024-11-13 13:13:07,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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 13:13:07,839 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:07,839 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:07,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:13:07,840 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:07,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:07,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2053936691, now seen corresponding path program 1 times [2024-11-13 13:13:07,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:07,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15660262] [2024-11-13 13:13:07,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:07,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:08,014 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 13:13:08,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:08,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15660262] [2024-11-13 13:13:08,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15660262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:08,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:08,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:08,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786155273] [2024-11-13 13:13:08,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:08,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:08,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:08,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:08,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:08,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 125 [2024-11-13 13:13:08,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 112 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 13:13:08,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:08,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 125 [2024-11-13 13:13:08,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:08,290 INFO L124 PetriNetUnfolderBase]: 157/732 cut-off events. [2024-11-13 13:13:08,290 INFO L125 PetriNetUnfolderBase]: For 192/196 co-relation queries the response was YES. [2024-11-13 13:13:08,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 732 events. 157/732 cut-off events. For 192/196 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4768 event pairs, 23 based on Foata normal form. 6/656 useless extension candidates. Maximal degree in co-relation 1271. Up to 127 conditions per place. [2024-11-13 13:13:08,300 INFO L140 encePairwiseOnDemand]: 115/125 looper letters, 17 selfloop transitions, 5 changer transitions 0/117 dead transitions. [2024-11-13 13:13:08,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 117 transitions, 374 flow [2024-11-13 13:13:08,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2024-11-13 13:13:08,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.816 [2024-11-13 13:13:08,302 INFO L175 Difference]: Start difference. First operand has 103 places, 112 transitions, 318 flow. Second operand 3 states and 306 transitions. [2024-11-13 13:13:08,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 117 transitions, 374 flow [2024-11-13 13:13:08,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 117 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:13:08,309 INFO L231 Difference]: Finished difference. Result has 105 places, 116 transitions, 350 flow [2024-11-13 13:13:08,309 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=105, PETRI_TRANSITIONS=116} [2024-11-13 13:13:08,312 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 6 predicate places. [2024-11-13 13:13:08,312 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 116 transitions, 350 flow [2024-11-13 13:13:08,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 13:13:08,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:08,313 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:08,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:13:08,314 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:08,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:08,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1310054789, now seen corresponding path program 2 times [2024-11-13 13:13:08,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:08,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191010946] [2024-11-13 13:13:08,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:08,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:08,480 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 13:13:08,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:08,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191010946] [2024-11-13 13:13:08,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191010946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:08,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:08,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:08,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276253276] [2024-11-13 13:13:08,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:08,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:08,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:08,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:08,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:08,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-13 13:13:08,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 116 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 13:13:08,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:08,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-13 13:13:08,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:08,807 INFO L124 PetriNetUnfolderBase]: 252/1283 cut-off events. [2024-11-13 13:13:08,807 INFO L125 PetriNetUnfolderBase]: For 338/384 co-relation queries the response was YES. [2024-11-13 13:13:08,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2294 conditions, 1283 events. 252/1283 cut-off events. For 338/384 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10424 event pairs, 22 based on Foata normal form. 6/1129 useless extension candidates. Maximal degree in co-relation 2286. Up to 174 conditions per place. [2024-11-13 13:13:08,816 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 11 selfloop transitions, 3 changer transitions 0/121 dead transitions. [2024-11-13 13:13:08,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 121 transitions, 391 flow [2024-11-13 13:13:08,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2024-11-13 13:13:08,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8506666666666667 [2024-11-13 13:13:08,818 INFO L175 Difference]: Start difference. First operand has 105 places, 116 transitions, 350 flow. Second operand 3 states and 319 transitions. [2024-11-13 13:13:08,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 121 transitions, 391 flow [2024-11-13 13:13:08,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 121 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:13:08,824 INFO L231 Difference]: Finished difference. Result has 107 places, 119 transitions, 368 flow [2024-11-13 13:13:08,824 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=107, PETRI_TRANSITIONS=119} [2024-11-13 13:13:08,825 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 8 predicate places. [2024-11-13 13:13:08,825 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 119 transitions, 368 flow [2024-11-13 13:13:08,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 13:13:08,826 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:08,826 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:08,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:13:08,826 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:08,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:08,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1424479281, now seen corresponding path program 3 times [2024-11-13 13:13:08,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:08,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569390133] [2024-11-13 13:13:08,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:08,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:08,944 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 13:13:08,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:08,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569390133] [2024-11-13 13:13:08,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569390133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:08,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:08,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:08,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19038428] [2024-11-13 13:13:08,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:08,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:08,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:08,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:08,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:09,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 125 [2024-11-13 13:13:09,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 119 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 13:13:09,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:09,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 125 [2024-11-13 13:13:09,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:09,256 INFO L124 PetriNetUnfolderBase]: 254/1348 cut-off events. [2024-11-13 13:13:09,256 INFO L125 PetriNetUnfolderBase]: For 430/484 co-relation queries the response was YES. [2024-11-13 13:13:09,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2534 conditions, 1348 events. 254/1348 cut-off events. For 430/484 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 11326 event pairs, 39 based on Foata normal form. 35/1244 useless extension candidates. Maximal degree in co-relation 2525. Up to 187 conditions per place. [2024-11-13 13:13:09,266 INFO L140 encePairwiseOnDemand]: 115/125 looper letters, 14 selfloop transitions, 5 changer transitions 7/124 dead transitions. [2024-11-13 13:13:09,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 124 transitions, 439 flow [2024-11-13 13:13:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2024-11-13 13:13:09,271 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.816 [2024-11-13 13:13:09,271 INFO L175 Difference]: Start difference. First operand has 107 places, 119 transitions, 368 flow. Second operand 3 states and 306 transitions. [2024-11-13 13:13:09,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 124 transitions, 439 flow [2024-11-13 13:13:09,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 124 transitions, 433 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:13:09,277 INFO L231 Difference]: Finished difference. Result has 109 places, 117 transitions, 386 flow [2024-11-13 13:13:09,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=109, PETRI_TRANSITIONS=117} [2024-11-13 13:13:09,278 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 10 predicate places. [2024-11-13 13:13:09,281 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 117 transitions, 386 flow [2024-11-13 13:13:09,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 13:13:09,281 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:09,282 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:09,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:13:09,282 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:09,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:09,284 INFO L85 PathProgramCache]: Analyzing trace with hash -561354363, now seen corresponding path program 4 times [2024-11-13 13:13:09,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:09,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157177981] [2024-11-13 13:13:09,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:09,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:09,392 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 13:13:09,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:09,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157177981] [2024-11-13 13:13:09,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157177981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:09,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:09,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:09,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751147426] [2024-11-13 13:13:09,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:09,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:09,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:09,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:09,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:09,415 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-13 13:13:09,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 117 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 13:13:09,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:09,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-13 13:13:09,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:09,679 INFO L124 PetriNetUnfolderBase]: 184/1242 cut-off events. [2024-11-13 13:13:09,679 INFO L125 PetriNetUnfolderBase]: For 453/487 co-relation queries the response was YES. [2024-11-13 13:13:09,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2334 conditions, 1242 events. 184/1242 cut-off events. For 453/487 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 10502 event pairs, 27 based on Foata normal form. 17/1131 useless extension candidates. Maximal degree in co-relation 2324. Up to 184 conditions per place. [2024-11-13 13:13:09,688 INFO L140 encePairwiseOnDemand]: 121/125 looper letters, 11 selfloop transitions, 3 changer transitions 2/119 dead transitions. [2024-11-13 13:13:09,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 119 transitions, 421 flow [2024-11-13 13:13:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2024-11-13 13:13:09,692 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8453333333333334 [2024-11-13 13:13:09,694 INFO L175 Difference]: Start difference. First operand has 109 places, 117 transitions, 386 flow. Second operand 3 states and 317 transitions. [2024-11-13 13:13:09,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 119 transitions, 421 flow [2024-11-13 13:13:09,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 119 transitions, 411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:13:09,701 INFO L231 Difference]: Finished difference. Result has 111 places, 116 transitions, 392 flow [2024-11-13 13:13:09,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=111, PETRI_TRANSITIONS=116} [2024-11-13 13:13:09,703 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 12 predicate places. [2024-11-13 13:13:09,705 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 116 transitions, 392 flow [2024-11-13 13:13:09,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 13:13:09,706 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:09,706 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:09,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:13:09,707 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:09,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:09,707 INFO L85 PathProgramCache]: Analyzing trace with hash -777233225, now seen corresponding path program 1 times [2024-11-13 13:13:09,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674280111] [2024-11-13 13:13:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:09,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:09,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674280111] [2024-11-13 13:13:09,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674280111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:09,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:09,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:09,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895522005] [2024-11-13 13:13:09,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:09,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:09,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:09,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:09,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:09,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-13 13:13:09,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 116 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 13:13:09,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:09,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-13 13:13:09,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:10,039 INFO L124 PetriNetUnfolderBase]: 121/870 cut-off events. [2024-11-13 13:13:10,039 INFO L125 PetriNetUnfolderBase]: For 248/281 co-relation queries the response was YES. [2024-11-13 13:13:10,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 870 events. 121/870 cut-off events. For 248/281 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6634 event pairs, 16 based on Foata normal form. 7/802 useless extension candidates. Maximal degree in co-relation 1594. Up to 110 conditions per place. [2024-11-13 13:13:10,046 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 7 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2024-11-13 13:13:10,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 118 transitions, 419 flow [2024-11-13 13:13:10,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2024-11-13 13:13:10,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84 [2024-11-13 13:13:10,049 INFO L175 Difference]: Start difference. First operand has 111 places, 116 transitions, 392 flow. Second operand 3 states and 315 transitions. [2024-11-13 13:13:10,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 118 transitions, 419 flow [2024-11-13 13:13:10,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 118 transitions, 407 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-13 13:13:10,056 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 398 flow [2024-11-13 13:13:10,057 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2024-11-13 13:13:10,058 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 12 predicate places. [2024-11-13 13:13:10,060 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 398 flow [2024-11-13 13:13:10,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 13:13:10,060 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:10,061 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] [2024-11-13 13:13:10,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:13:10,061 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 13:13:10,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:10,061 INFO L85 PathProgramCache]: Analyzing trace with hash -528038704, now seen corresponding path program 1 times [2024-11-13 13:13:10,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:10,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843270687] [2024-11-13 13:13:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:10,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:10,189 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 13:13:10,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:10,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843270687] [2024-11-13 13:13:10,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843270687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:10,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:10,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:10,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834392667] [2024-11-13 13:13:10,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:10,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:10,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:10,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:10,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:10,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-13 13:13:10,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 13:13:10,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:10,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-13 13:13:10,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:10,342 INFO L124 PetriNetUnfolderBase]: 59/578 cut-off events. [2024-11-13 13:13:10,343 INFO L125 PetriNetUnfolderBase]: For 121/133 co-relation queries the response was YES. [2024-11-13 13:13:10,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 578 events. 59/578 cut-off events. For 121/133 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3590 event pairs, 11 based on Foata normal form. 6/555 useless extension candidates. Maximal degree in co-relation 1038. Up to 44 conditions per place. [2024-11-13 13:13:10,347 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions. [2024-11-13 13:13:10,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 107 transitions, 368 flow [2024-11-13 13:13:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:13:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2024-11-13 13:13:10,349 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84 [2024-11-13 13:13:10,349 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 398 flow. Second operand 3 states and 315 transitions. [2024-11-13 13:13:10,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 107 transitions, 368 flow [2024-11-13 13:13:10,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 107 transitions, 334 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-13 13:13:10,356 INFO L231 Difference]: Finished difference. Result has 104 places, 0 transitions, 0 flow [2024-11-13 13:13:10,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=104, PETRI_TRANSITIONS=0} [2024-11-13 13:13:10,359 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 5 predicate places. [2024-11-13 13:13:10,360 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 0 transitions, 0 flow [2024-11-13 13:13:10,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 13:13:10,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-13 13:13:10,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-13 13:13:10,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-13 13:13:10,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-13 13:13:10,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-13 13:13:10,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-13 13:13:10,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-13 13:13:10,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-13 13:13:10,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-13 13:13:10,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-13 13:13:10,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:13:10,369 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:10,376 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:13:10,376 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:13:10,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:13:10 BasicIcfg [2024-11-13 13:13:10,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:13:10,388 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:13:10,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:13:10,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:13:10,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:06" (3/4) ... [2024-11-13 13:13:10,393 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:13:10,398 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-13 13:13:10,398 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-13 13:13:10,405 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 13:13:10,406 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:13:10,406 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:13:10,406 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:13:10,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:13:10,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:13:10,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:13:10,508 INFO L158 Benchmark]: Toolchain (without parser) took 5789.71ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.8MB in the beginning and 284.1MB in the end (delta: -166.3MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2024-11-13 13:13:10,509 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:13:10,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.05ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 97.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:13:10,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.06ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:13:10,511 INFO L158 Benchmark]: Boogie Preprocessor took 53.38ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:13:10,512 INFO L158 Benchmark]: RCFGBuilder took 609.03ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 80.5MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:13:10,512 INFO L158 Benchmark]: TraceAbstraction took 4148.87ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.1MB in the beginning and 289.4MB in the end (delta: -209.3MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2024-11-13 13:13:10,514 INFO L158 Benchmark]: Witness Printer took 118.70ms. Allocated memory is still 427.8MB. Free memory was 289.4MB in the beginning and 284.1MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:13:10,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.05ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 97.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.06ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.38ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 609.03ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 80.5MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4148.87ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.1MB in the beginning and 289.4MB in the end (delta: -209.3MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Witness Printer took 118.70ms. Allocated memory is still 427.8MB. Free memory was 289.4MB in the beginning and 284.1MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 781]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 168 locations, 10 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: 4.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 45 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=9, InterpolantAutomatonStates: 29, 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, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 421 NumberOfCodeBlocks, 421 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:13:10,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedee381-e665-44a6-b2ca-5d3e04054905/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE