./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/floating_read-5.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/floating_read-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC --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 2f28efd84e1dbcbcea7683bca483f8f3b9fbdd333eb36f517b9f12d5bccb885d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:04:44,469 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:04:44,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-24 02:04:44,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:04:44,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:04:44,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:04:44,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:04:44,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:04:44,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 02:04:44,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 02:04:44,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:04:44,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 02:04:44,572 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 02:04:44,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:04:44,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 02:04:44,572 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 02:04:44,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 02:04:44,573 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:04:44,574 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 02:04:44,574 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 02:04:44,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:04:44,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:04:44,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:04:44,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:04:44,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:04:44,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:04:44,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:04:44,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:04:44,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 02:04:44,576 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 02:04:44,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 02:04:44,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 02:04:44,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 02:04:44,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 02:04:44,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 02:04:44,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 02:04:44,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 02:04:44,577 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_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC
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 -> 2f28efd84e1dbcbcea7683bca483f8f3b9fbdd333eb36f517b9f12d5bccb885d
[2024-11-24 02:04:44,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:04:44,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:04:44,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:04:44,876 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 02:04:44,876 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 02:04:44,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-deagle/floating_read-5.i
[2024-11-24 02:04:47,769 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/data/c1811ac7e/6caa1f826d4e4e079038a25c81cc0225/FLAGdc8f4a8b4
[2024-11-24 02:04:48,079 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 02:04:48,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/sv-benchmarks/c/pthread-deagle/floating_read-5.i
[2024-11-24 02:04:48,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/data/c1811ac7e/6caa1f826d4e4e079038a25c81cc0225/FLAGdc8f4a8b4
[2024-11-24 02:04:48,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/data/c1811ac7e/6caa1f826d4e4e079038a25c81cc0225
[2024-11-24 02:04:48,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:04:48,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:04:48,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:04:48,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:04:48,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:04:48,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483c884d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48, skipping insertion in model container
[2024-11-24 02:04:48,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,157 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:04:48,522 WARN L1675 CHandler]: Possible shadowing of function thread
[2024-11-24 02:04:48,546 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:04:48,557 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 02:04:48,612 WARN L1675 CHandler]: Possible shadowing of function thread
[2024-11-24 02:04:48,627 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:04:48,675 INFO L204 MainTranslator]: Completed translation
[2024-11-24 02:04:48,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48 WrapperNode
[2024-11-24 02:04:48,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:04:48,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:04:48,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:04:48,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:04:48,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,725 INFO L138 Inliner]: procedures = 162, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66
[2024-11-24 02:04:48,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:04:48,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:04:48,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:04:48,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:04:48,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,754 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:04:48,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:04:48,774 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:04:48,774 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:04:48,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (1/1) ...
[2024-11-24 02:04:48,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:04:48,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:04:48,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 02:04:48,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:04:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-24 02:04:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-24 02:04:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-24 02:04:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:04:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-24 02:04:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 02:04:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-24 02:04:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread
[2024-11-24 02:04:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread
[2024-11-24 02:04:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-24 02:04:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:04:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:04:48,850 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 02:04:49,022 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 02:04:49,024 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:04:49,277 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 02:04:49,277 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 02:04:49,303 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:04:49,303 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 02:04:49,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:49 BoogieIcfgContainer
[2024-11-24 02:04:49,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:04:49,306 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 02:04:49,306 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 02:04:49,311 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 02:04:49,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:04:48" (1/3) ...
[2024-11-24 02:04:49,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19da3f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:49, skipping insertion in model container
[2024-11-24 02:04:49,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:48" (2/3) ...
[2024-11-24 02:04:49,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19da3f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:49, skipping insertion in model container
[2024-11-24 02:04:49,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:49" (3/3) ...
[2024-11-24 02:04:49,313 INFO L128 eAbstractionObserver]: Analyzing ICFG floating_read-5.i
[2024-11-24 02:04:49,330 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 02:04:49,332 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG floating_read-5.i that has 2 procedures, 70 locations, 1 initial locations, 2 loop locations, and 5 error locations.
[2024-11-24 02:04:49,332 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 02:04:49,405 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-24 02:04:49,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 157 flow
[2024-11-24 02:04:49,517 INFO L124 PetriNetUnfolderBase]: 9/119 cut-off events.
[2024-11-24 02:04:49,519 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-24 02:04:49,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 119 events. 9/119 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 229 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place.
[2024-11-24 02:04:49,529 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 75 transitions, 157 flow
[2024-11-24 02:04:49,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 75 transitions, 157 flow
[2024-11-24 02:04:49,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:04:49,567 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;@4ab9ca7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:04:49,568 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-11-24 02:04:49,577 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 02:04:49,577 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-11-24 02:04:49,577 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 02:04:49,577 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:49,579 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:49,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-24 02:04:49,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1962277609, now seen corresponding path program 1 times
[2024-11-24 02:04:49,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:49,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479229696]
[2024-11-24 02:04:49,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:49,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:49,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479229696]
[2024-11-24 02:04:49,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479229696] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:49,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:49,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 02:04:49,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193435711]
[2024-11-24 02:04:49,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:49,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 02:04:49,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:49,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 02:04:49,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 02:04:49,816 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 75
[2024-11-24 02:04:49,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 157 flow. Second operand has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 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)
[2024-11-24 02:04:49,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:49,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 75
[2024-11-24 02:04:49,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:49,893 INFO L124 PetriNetUnfolderBase]: 1/105 cut-off events.
[2024-11-24 02:04:49,893 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES.
[2024-11-24 02:04:49,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 105 events. 1/105 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 189 event pairs, 0 based on Foata normal form. 9/102 useless extension candidates. Maximal degree in co-relation 3. Up to 5 conditions per place.
[2024-11-24 02:04:49,896 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 4 selfloop transitions, 0 changer transitions 12/67 dead transitions.
[2024-11-24 02:04:49,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 67 transitions, 149 flow
[2024-11-24 02:04:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 02:04:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-24 02:04:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 138 transitions.
[2024-11-24 02:04:49,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.92
[2024-11-24 02:04:49,917 INFO L175 Difference]: Start difference. First operand has 73 places, 75 transitions, 157 flow. Second operand 2 states and 138 transitions.
[2024-11-24 02:04:49,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 67 transitions, 149 flow
[2024-11-24 02:04:49,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 67 transitions, 149 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:04:49,932 INFO L231 Difference]: Finished difference. Result has 70 places, 55 transitions, 117 flow
[2024-11-24 02:04:49,935 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=117, PETRI_PLACES=70, PETRI_TRANSITIONS=55}
[2024-11-24 02:04:49,939 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, -3 predicate places.
[2024-11-24 02:04:49,940 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 55 transitions, 117 flow
[2024-11-24 02:04:49,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 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)
[2024-11-24 02:04:49,940 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:49,940 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:49,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 02:04:49,941 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-24 02:04:49,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:49,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1851695434, now seen corresponding path program 1 times
[2024-11-24 02:04:49,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:49,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236933827]
[2024-11-24 02:04:49,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:49,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:50,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236933827]
[2024-11-24 02:04:50,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236933827] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:50,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:50,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:04:50,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469074693]
[2024-11-24 02:04:50,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:50,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:04:50,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:50,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:04:50,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:04:50,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 75
[2024-11-24 02:04:50,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 55 transitions, 117 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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)
[2024-11-24 02:04:50,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:50,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 75
[2024-11-24 02:04:50,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:50,232 INFO L124 PetriNetUnfolderBase]: 3/97 cut-off events.
[2024-11-24 02:04:50,232 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-11-24 02:04:50,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 97 events. 3/97 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 143 event pairs, 2 based on Foata normal form. 1/91 useless extension candidates. Maximal degree in co-relation 115. Up to 13 conditions per place.
[2024-11-24 02:04:50,233 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 8 selfloop transitions, 2 changer transitions 0/56 dead transitions.
[2024-11-24 02:04:50,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 56 transitions, 139 flow
[2024-11-24 02:04:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:04:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:04:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions.
[2024-11-24 02:04:50,235 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8222222222222222
[2024-11-24 02:04:50,236 INFO L175 Difference]: Start difference. First operand has 70 places, 55 transitions, 117 flow. Second operand 3 states and 185 transitions.
[2024-11-24 02:04:50,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 56 transitions, 139 flow
[2024-11-24 02:04:50,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 56 transitions, 139 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:04:50,239 INFO L231 Difference]: Finished difference. Result has 61 places, 55 transitions, 125 flow
[2024-11-24 02:04:50,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=61, PETRI_TRANSITIONS=55}
[2024-11-24 02:04:50,240 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, -12 predicate places.
[2024-11-24 02:04:50,240 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 55 transitions, 125 flow
[2024-11-24 02:04:50,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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)
[2024-11-24 02:04:50,240 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:50,240 INFO L206 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]
[2024-11-24 02:04:50,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 02:04:50,241 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-24 02:04:50,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:50,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1097051418, now seen corresponding path program 1 times
[2024-11-24 02:04:50,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:50,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154646764]
[2024-11-24 02:04:50,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:50,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154646764]
[2024-11-24 02:04:50,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154646764] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:50,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:50,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:04:50,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652622921]
[2024-11-24 02:04:50,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:50,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 02:04:50,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:50,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 02:04:50,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:04:51,200 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 75
[2024-11-24 02:04:51,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 55 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 47.666666666666664) internal successors, (286), 6 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)
[2024-11-24 02:04:51,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:51,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 75
[2024-11-24 02:04:51,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:51,337 INFO L124 PetriNetUnfolderBase]: 12/107 cut-off events.
[2024-11-24 02:04:51,337 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-24 02:04:51,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 107 events. 12/107 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 226 event pairs, 6 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 169. Up to 32 conditions per place.
[2024-11-24 02:04:51,338 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 18 selfloop transitions, 5 changer transitions 0/58 dead transitions.
[2024-11-24 02:04:51,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 58 transitions, 177 flow
[2024-11-24 02:04:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:04:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:04:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 300 transitions.
[2024-11-24 02:04:51,341 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666
[2024-11-24 02:04:51,341 INFO L175 Difference]: Start difference. First operand has 61 places, 55 transitions, 125 flow. Second operand 6 states and 300 transitions.
[2024-11-24 02:04:51,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 58 transitions, 177 flow
[2024-11-24 02:04:51,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 58 transitions, 173 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 02:04:51,343 INFO L231 Difference]: Finished difference. Result has 63 places, 54 transitions, 129 flow
[2024-11-24 02:04:51,343 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=129, PETRI_PLACES=63, PETRI_TRANSITIONS=54}
[2024-11-24 02:04:51,344 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, -10 predicate places.
[2024-11-24 02:04:51,344 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 54 transitions, 129 flow
[2024-11-24 02:04:51,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.666666666666664) internal successors, (286), 6 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)
[2024-11-24 02:04:51,345 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:51,345 INFO L206 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]
[2024-11-24 02:04:51,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 02:04:51,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-24 02:04:51,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:51,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1192448918, now seen corresponding path program 1 times
[2024-11-24 02:04:51,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:51,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976072197]
[2024-11-24 02:04:51,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:51,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:51,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:51,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976072197]
[2024-11-24 02:04:51,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976072197] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:51,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:51,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:04:51,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223321771]
[2024-11-24 02:04:51,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:51,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:04:51,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:51,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:04:51,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:04:51,500 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 75
[2024-11-24 02:04:51,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 54 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 57.8) internal successors, (289), 5 states have internal predecessors, (289), 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)
[2024-11-24 02:04:51,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:51,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 75
[2024-11-24 02:04:51,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:51,558 INFO L124 PetriNetUnfolderBase]: 3/62 cut-off events.
[2024-11-24 02:04:51,561 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-24 02:04:51,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 62 events. 3/62 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 0 based on Foata normal form. 2/64 useless extension candidates. Maximal degree in co-relation 94. Up to 4 conditions per place.
[2024-11-24 02:04:51,562 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 7 selfloop transitions, 4 changer transitions 0/38 dead transitions.
[2024-11-24 02:04:51,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 114 flow
[2024-11-24 02:04:51,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:04:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:04:51,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 348 transitions.
[2024-11-24 02:04:51,566 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7733333333333333
[2024-11-24 02:04:51,566 INFO L175 Difference]: Start difference. First operand has 63 places, 54 transitions, 129 flow. Second operand 6 states and 348 transitions.
[2024-11-24 02:04:51,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 114 flow
[2024-11-24 02:04:51,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 102 flow, removed 0 selfloop flow, removed 6 redundant places.
[2024-11-24 02:04:51,569 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 82 flow
[2024-11-24 02:04:51,570 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=82, PETRI_PLACES=44, PETRI_TRANSITIONS=35}
[2024-11-24 02:04:51,571 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, -29 predicate places.
[2024-11-24 02:04:51,571 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 82 flow
[2024-11-24 02:04:51,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.8) internal successors, (289), 5 states have internal predecessors, (289), 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)
[2024-11-24 02:04:51,572 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:51,572 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:51,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 02:04:51,573 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-24 02:04:51,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:51,575 INFO L85 PathProgramCache]: Analyzing trace with hash 304667106, now seen corresponding path program 1 times
[2024-11-24 02:04:51,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:51,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568597293]
[2024-11-24 02:04:51,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:04:51,615 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:04:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:04:51,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:04:51,665 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:04:51,666 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining)
[2024-11-24 02:04:51,668 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2024-11-24 02:04:51,670 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining)
[2024-11-24 02:04:51,670 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2024-11-24 02:04:51,670 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2024-11-24 02:04:51,671 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2024-11-24 02:04:51,671 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2024-11-24 02:04:51,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 02:04:51,671 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-24 02:04:51,674 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-24 02:04:51,675 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-24 02:04:51,697 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-24 02:04:51,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 83 transitions, 182 flow
[2024-11-24 02:04:51,739 INFO L124 PetriNetUnfolderBase]: 16/200 cut-off events.
[2024-11-24 02:04:51,739 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-24 02:04:51,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 200 events. 16/200 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 436 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 121. Up to 8 conditions per place.
[2024-11-24 02:04:51,741 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 83 transitions, 182 flow
[2024-11-24 02:04:51,743 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 83 transitions, 182 flow
[2024-11-24 02:04:51,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:04:51,748 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;@4ab9ca7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:04:51,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-24 02:04:51,751 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 02:04:51,751 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-11-24 02:04:51,751 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 02:04:51,751 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:51,751 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:51,751 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-24 02:04:51,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:51,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1981369225, now seen corresponding path program 1 times
[2024-11-24 02:04:51,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:51,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244592910]
[2024-11-24 02:04:51,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:51,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:51,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244592910]
[2024-11-24 02:04:51,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244592910] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:51,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:51,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 02:04:51,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186687581]
[2024-11-24 02:04:51,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:51,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 02:04:51,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:51,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 02:04:51,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 02:04:51,784 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 83
[2024-11-24 02:04:51,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 83 transitions, 182 flow. Second operand has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 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)
[2024-11-24 02:04:51,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:51,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 83
[2024-11-24 02:04:51,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:51,835 INFO L124 PetriNetUnfolderBase]: 7/212 cut-off events.
[2024-11-24 02:04:51,835 INFO L125 PetriNetUnfolderBase]: For 26/35 co-relation queries the response was YES.
[2024-11-24 02:04:51,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 212 events. 7/212 cut-off events. For 26/35 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 537 event pairs, 4 based on Foata normal form. 16/203 useless extension candidates. Maximal degree in co-relation 111. Up to 18 conditions per place.
[2024-11-24 02:04:51,837 INFO L140 encePairwiseOnDemand]: 76/83 looper letters, 7 selfloop transitions, 0 changer transitions 0/74 dead transitions.
[2024-11-24 02:04:51,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 74 transitions, 178 flow
[2024-11-24 02:04:51,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 02:04:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-24 02:04:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 150 transitions.
[2024-11-24 02:04:51,839 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9036144578313253
[2024-11-24 02:04:51,839 INFO L175 Difference]: Start difference. First operand has 82 places, 83 transitions, 182 flow. Second operand 2 states and 150 transitions.
[2024-11-24 02:04:51,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 74 transitions, 178 flow
[2024-11-24 02:04:51,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 74 transitions, 178 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:04:51,843 INFO L231 Difference]: Finished difference. Result has 78 places, 74 transitions, 164 flow
[2024-11-24 02:04:51,843 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=164, PETRI_PLACES=78, PETRI_TRANSITIONS=74}
[2024-11-24 02:04:51,844 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, -4 predicate places.
[2024-11-24 02:04:51,845 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 74 transitions, 164 flow
[2024-11-24 02:04:51,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 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)
[2024-11-24 02:04:51,845 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:51,845 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:51,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 02:04:51,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-24 02:04:51,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:51,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1741688233, now seen corresponding path program 1 times
[2024-11-24 02:04:51,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:51,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079334159]
[2024-11-24 02:04:51,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:51,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:51,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:51,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079334159]
[2024-11-24 02:04:51,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079334159] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:51,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:51,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:04:51,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201833500]
[2024-11-24 02:04:51,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:51,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:04:51,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:51,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:04:51,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:04:51,932 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 83
[2024-11-24 02:04:51,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 74 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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)
[2024-11-24 02:04:51,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:51,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 83
[2024-11-24 02:04:51,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:52,015 INFO L124 PetriNetUnfolderBase]: 28/388 cut-off events.
[2024-11-24 02:04:52,017 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES.
[2024-11-24 02:04:52,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 388 events. 28/388 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1865 event pairs, 10 based on Foata normal form. 1/350 useless extension candidates. Maximal degree in co-relation 469. Up to 65 conditions per place.
[2024-11-24 02:04:52,021 INFO L140 encePairwiseOnDemand]: 80/83 looper letters, 12 selfloop transitions, 2 changer transitions 3/76 dead transitions.
[2024-11-24 02:04:52,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 76 transitions, 198 flow
[2024-11-24 02:04:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:04:52,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:04:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions.
[2024-11-24 02:04:52,024 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8112449799196787
[2024-11-24 02:04:52,024 INFO L175 Difference]: Start difference. First operand has 78 places, 74 transitions, 164 flow. Second operand 3 states and 202 transitions.
[2024-11-24 02:04:52,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 76 transitions, 198 flow
[2024-11-24 02:04:52,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 76 transitions, 198 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:04:52,064 INFO L231 Difference]: Finished difference. Result has 81 places, 72 transitions, 170 flow
[2024-11-24 02:04:52,064 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=81, PETRI_TRANSITIONS=72}
[2024-11-24 02:04:52,064 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, -1 predicate places.
[2024-11-24 02:04:52,064 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 72 transitions, 170 flow
[2024-11-24 02:04:52,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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)
[2024-11-24 02:04:52,065 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:52,065 INFO L206 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]
[2024-11-24 02:04:52,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 02:04:52,065 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-24 02:04:52,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:52,066 INFO L85 PathProgramCache]: Analyzing trace with hash -9070919, now seen corresponding path program 1 times
[2024-11-24 02:04:52,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:52,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667542423]
[2024-11-24 02:04:52,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:52,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:52,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:52,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667542423]
[2024-11-24 02:04:52,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667542423] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:52,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:52,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:04:52,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907048954]
[2024-11-24 02:04:52,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:52,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 02:04:52,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:52,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 02:04:52,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:04:52,646 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 83
[2024-11-24 02:04:52,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 72 transitions, 170 flow. Second operand has 6 states, 6 states have (on average 51.666666666666664) internal successors, (310), 6 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)
[2024-11-24 02:04:52,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:52,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 83
[2024-11-24 02:04:52,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:52,812 INFO L124 PetriNetUnfolderBase]: 77/403 cut-off events.
[2024-11-24 02:04:52,812 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES.
[2024-11-24 02:04:52,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 403 events. 77/403 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2010 event pairs, 12 based on Foata normal form. 0/373 useless extension candidates. Maximal degree in co-relation 621. Up to 122 conditions per place.
[2024-11-24 02:04:52,817 INFO L140 encePairwiseOnDemand]: 77/83 looper letters, 25 selfloop transitions, 6 changer transitions 2/79 dead transitions.
[2024-11-24 02:04:52,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 79 transitions, 248 flow
[2024-11-24 02:04:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:04:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:04:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 332 transitions.
[2024-11-24 02:04:52,819 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666
[2024-11-24 02:04:52,819 INFO L175 Difference]: Start difference. First operand has 81 places, 72 transitions, 170 flow. Second operand 6 states and 332 transitions.
[2024-11-24 02:04:52,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 79 transitions, 248 flow
[2024-11-24 02:04:52,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 79 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 02:04:52,821 INFO L231 Difference]: Finished difference. Result has 81 places, 69 transitions, 174 flow
[2024-11-24 02:04:52,824 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=174, PETRI_PLACES=81, PETRI_TRANSITIONS=69}
[2024-11-24 02:04:52,825 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, -1 predicate places.
[2024-11-24 02:04:52,825 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 69 transitions, 174 flow
[2024-11-24 02:04:52,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.666666666666664) internal successors, (310), 6 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)
[2024-11-24 02:04:52,825 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:52,825 INFO L206 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]
[2024-11-24 02:04:52,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 02:04:52,826 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-24 02:04:52,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:52,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1834370269, now seen corresponding path program 1 times
[2024-11-24 02:04:52,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:52,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644763330]
[2024-11-24 02:04:52,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:52,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:52,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644763330]
[2024-11-24 02:04:52,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644763330] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:52,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:52,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:04:52,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784022027]
[2024-11-24 02:04:52,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:52,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:04:52,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:52,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:04:52,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:04:52,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 83
[2024-11-24 02:04:52,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 69 transitions, 174 flow. Second operand has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 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)
[2024-11-24 02:04:52,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:52,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 83
[2024-11-24 02:04:52,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:53,081 INFO L124 PetriNetUnfolderBase]: 28/321 cut-off events.
[2024-11-24 02:04:53,082 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES.
[2024-11-24 02:04:53,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 321 events. 28/321 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1288 event pairs, 3 based on Foata normal form. 2/295 useless extension candidates. Maximal degree in co-relation 448. Up to 43 conditions per place.
[2024-11-24 02:04:53,084 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 17 selfloop transitions, 5 changer transitions 0/76 dead transitions.
[2024-11-24 02:04:53,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 76 transitions, 232 flow
[2024-11-24 02:04:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:04:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:04:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 383 transitions.
[2024-11-24 02:04:53,086 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7690763052208835
[2024-11-24 02:04:53,087 INFO L175 Difference]: Start difference. First operand has 81 places, 69 transitions, 174 flow. Second operand 6 states and 383 transitions.
[2024-11-24 02:04:53,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 76 transitions, 232 flow
[2024-11-24 02:04:53,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 76 transitions, 220 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 02:04:53,092 INFO L231 Difference]: Finished difference. Result has 82 places, 71 transitions, 188 flow
[2024-11-24 02:04:53,092 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=188, PETRI_PLACES=82, PETRI_TRANSITIONS=71}
[2024-11-24 02:04:53,093 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, 0 predicate places.
[2024-11-24 02:04:53,093 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 71 transitions, 188 flow
[2024-11-24 02:04:53,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 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)
[2024-11-24 02:04:53,093 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:53,093 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:53,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 02:04:53,094 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-24 02:04:53,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:53,094 INFO L85 PathProgramCache]: Analyzing trace with hash -821921796, now seen corresponding path program 1 times
[2024-11-24 02:04:53,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:53,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881388209]
[2024-11-24 02:04:53,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:53,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:53,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:53,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881388209]
[2024-11-24 02:04:53,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881388209] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:53,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:53,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 02:04:53,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120670900]
[2024-11-24 02:04:53,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:53,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:04:53,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:53,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:04:53,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:04:53,161 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 83
[2024-11-24 02:04:53,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 71 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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)
[2024-11-24 02:04:53,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:53,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 83
[2024-11-24 02:04:53,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:53,276 INFO L124 PetriNetUnfolderBase]: 19/335 cut-off events.
[2024-11-24 02:04:53,276 INFO L125 PetriNetUnfolderBase]: For 55/64 co-relation queries the response was YES.
[2024-11-24 02:04:53,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 335 events. 19/335 cut-off events. For 55/64 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1466 event pairs, 8 based on Foata normal form. 2/299 useless extension candidates. Maximal degree in co-relation 423. Up to 37 conditions per place.
[2024-11-24 02:04:53,279 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 11 selfloop transitions, 4 changer transitions 0/76 dead transitions.
[2024-11-24 02:04:53,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 76 transitions, 234 flow
[2024-11-24 02:04:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:04:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:04:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions.
[2024-11-24 02:04:53,281 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8473895582329317
[2024-11-24 02:04:53,281 INFO L175 Difference]: Start difference. First operand has 82 places, 71 transitions, 188 flow. Second operand 3 states and 211 transitions.
[2024-11-24 02:04:53,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 76 transitions, 234 flow
[2024-11-24 02:04:53,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 76 transitions, 228 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-24 02:04:53,286 INFO L231 Difference]: Finished difference. Result has 84 places, 74 transitions, 212 flow
[2024-11-24 02:04:53,287 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=84, PETRI_TRANSITIONS=74}
[2024-11-24 02:04:53,287 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, 2 predicate places.
[2024-11-24 02:04:53,287 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 74 transitions, 212 flow
[2024-11-24 02:04:53,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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)
[2024-11-24 02:04:53,288 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:53,288 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:53,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 02:04:53,288 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-24 02:04:53,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1600903714, now seen corresponding path program 1 times
[2024-11-24 02:04:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:53,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388549560]
[2024-11-24 02:04:53,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:53,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-24 02:04:53,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:53,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388549560]
[2024-11-24 02:04:53,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388549560] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:53,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:53,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 02:04:53,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506699635]
[2024-11-24 02:04:53,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:53,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:04:53,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:53,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:04:53,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:04:53,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 83
[2024-11-24 02:04:53,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 74 transitions, 212 flow. Second operand has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 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)
[2024-11-24 02:04:53,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:53,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 83
[2024-11-24 02:04:53,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:53,700 INFO L124 PetriNetUnfolderBase]: 17/146 cut-off events.
[2024-11-24 02:04:53,700 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES.
[2024-11-24 02:04:53,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 146 events. 17/146 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 365 event pairs, 0 based on Foata normal form. 4/150 useless extension candidates. Maximal degree in co-relation 243. Up to 21 conditions per place.
[2024-11-24 02:04:53,702 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 15 selfloop transitions, 7 changer transitions 0/53 dead transitions.
[2024-11-24 02:04:53,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 53 transitions, 202 flow
[2024-11-24 02:04:53,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 02:04:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-24 02:04:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 563 transitions.
[2024-11-24 02:04:53,705 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7536813922356091
[2024-11-24 02:04:53,705 INFO L175 Difference]: Start difference. First operand has 84 places, 74 transitions, 212 flow. Second operand 9 states and 563 transitions.
[2024-11-24 02:04:53,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 53 transitions, 202 flow
[2024-11-24 02:04:53,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 53 transitions, 198 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 02:04:53,708 INFO L231 Difference]: Finished difference. Result has 63 places, 44 transitions, 132 flow
[2024-11-24 02:04:53,709 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=132, PETRI_PLACES=63, PETRI_TRANSITIONS=44}
[2024-11-24 02:04:53,709 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, -19 predicate places.
[2024-11-24 02:04:53,709 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 44 transitions, 132 flow
[2024-11-24 02:04:53,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 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)
[2024-11-24 02:04:53,710 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:53,710 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:53,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 02:04:53,710 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-24 02:04:53,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:53,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1449206773, now seen corresponding path program 1 times
[2024-11-24 02:04:53,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:53,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338692984]
[2024-11-24 02:04:53,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:53,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:04:53,762 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:04:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:04:53,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:04:53,798 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:04:53,798 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining)
[2024-11-24 02:04:53,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2024-11-24 02:04:53,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2024-11-24 02:04:53,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2024-11-24 02:04:53,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2024-11-24 02:04:53,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2024-11-24 02:04:53,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2024-11-24 02:04:53,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2024-11-24 02:04:53,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 02:04:53,799 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:53,801 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-24 02:04:53,802 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-24 02:04:53,827 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-24 02:04:53,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 91 transitions, 209 flow
[2024-11-24 02:04:53,878 INFO L124 PetriNetUnfolderBase]: 28/328 cut-off events.
[2024-11-24 02:04:53,878 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-11-24 02:04:53,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 328 events. 28/328 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 867 event pairs, 1 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 208. Up to 16 conditions per place.
[2024-11-24 02:04:53,879 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 91 transitions, 209 flow
[2024-11-24 02:04:53,880 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 91 transitions, 209 flow
[2024-11-24 02:04:53,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:04:53,882 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;@4ab9ca7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:04:53,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-11-24 02:04:53,885 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 02:04:53,885 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-11-24 02:04:53,885 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 02:04:53,885 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:53,885 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:53,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 02:04:53,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:53,886 INFO L85 PathProgramCache]: Analyzing trace with hash 398156585, now seen corresponding path program 1 times
[2024-11-24 02:04:53,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:53,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827299414]
[2024-11-24 02:04:53,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:53,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:53,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:53,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827299414]
[2024-11-24 02:04:53,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827299414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:53,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:53,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 02:04:53,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157903451]
[2024-11-24 02:04:53,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:53,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 02:04:53,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:53,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 02:04:53,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 02:04:53,905 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 91
[2024-11-24 02:04:53,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 209 flow. Second operand has 2 states, 2 states have (on average 72.5) internal successors, (145), 2 states have internal predecessors, (145), 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)
[2024-11-24 02:04:53,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:53,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 91
[2024-11-24 02:04:53,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:54,006 INFO L124 PetriNetUnfolderBase]: 36/492 cut-off events.
[2024-11-24 02:04:54,006 INFO L125 PetriNetUnfolderBase]: For 134/189 co-relation queries the response was YES.
[2024-11-24 02:04:54,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 492 events. 36/492 cut-off events. For 134/189 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2116 event pairs, 27 based on Foata normal form. 36/468 useless extension candidates. Maximal degree in co-relation 303. Up to 68 conditions per place.
[2024-11-24 02:04:54,010 INFO L140 encePairwiseOnDemand]: 83/91 looper letters, 10 selfloop transitions, 0 changer transitions 0/81 dead transitions.
[2024-11-24 02:04:54,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 81 transitions, 209 flow
[2024-11-24 02:04:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 02:04:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-24 02:04:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 162 transitions.
[2024-11-24 02:04:54,012 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8901098901098901
[2024-11-24 02:04:54,012 INFO L175 Difference]: Start difference. First operand has 91 places, 91 transitions, 209 flow. Second operand 2 states and 162 transitions.
[2024-11-24 02:04:54,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 81 transitions, 209 flow
[2024-11-24 02:04:54,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 81 transitions, 209 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:04:54,016 INFO L231 Difference]: Finished difference. Result has 86 places, 81 transitions, 189 flow
[2024-11-24 02:04:54,016 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=189, PETRI_PLACES=86, PETRI_TRANSITIONS=81}
[2024-11-24 02:04:54,017 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -5 predicate places.
[2024-11-24 02:04:54,017 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 189 flow
[2024-11-24 02:04:54,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.5) internal successors, (145), 2 states have internal predecessors, (145), 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)
[2024-11-24 02:04:54,017 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:54,017 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:54,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-24 02:04:54,017 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 02:04:54,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:54,018 INFO L85 PathProgramCache]: Analyzing trace with hash -786902108, now seen corresponding path program 1 times
[2024-11-24 02:04:54,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:54,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155112966]
[2024-11-24 02:04:54,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:54,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:54,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155112966]
[2024-11-24 02:04:54,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155112966] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:54,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:54,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:04:54,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806809693]
[2024-11-24 02:04:54,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:54,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:04:54,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:54,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:04:54,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:04:54,091 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91
[2024-11-24 02:04:54,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 81 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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)
[2024-11-24 02:04:54,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:54,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91
[2024-11-24 02:04:54,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:54,275 INFO L124 PetriNetUnfolderBase]: 117/1051 cut-off events.
[2024-11-24 02:04:54,275 INFO L125 PetriNetUnfolderBase]: For 136/136 co-relation queries the response was YES.
[2024-11-24 02:04:54,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1324 conditions, 1051 events. 117/1051 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6799 event pairs, 64 based on Foata normal form. 1/949 useless extension candidates. Maximal degree in co-relation 1318. Up to 214 conditions per place.
[2024-11-24 02:04:54,284 INFO L140 encePairwiseOnDemand]: 88/91 looper letters, 15 selfloop transitions, 2 changer transitions 3/83 dead transitions.
[2024-11-24 02:04:54,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 83 transitions, 229 flow
[2024-11-24 02:04:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:04:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:04:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions.
[2024-11-24 02:04:54,285 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7948717948717948
[2024-11-24 02:04:54,285 INFO L175 Difference]: Start difference. First operand has 86 places, 81 transitions, 189 flow. Second operand 3 states and 217 transitions.
[2024-11-24 02:04:54,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 83 transitions, 229 flow
[2024-11-24 02:04:54,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 83 transitions, 229 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:04:54,287 INFO L231 Difference]: Finished difference. Result has 89 places, 79 transitions, 195 flow
[2024-11-24 02:04:54,288 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=89, PETRI_TRANSITIONS=79}
[2024-11-24 02:04:54,289 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -2 predicate places.
[2024-11-24 02:04:54,289 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 79 transitions, 195 flow
[2024-11-24 02:04:54,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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)
[2024-11-24 02:04:54,290 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:54,290 INFO L206 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]
[2024-11-24 02:04:54,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-24 02:04:54,290 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 02:04:54,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:54,291 INFO L85 PathProgramCache]: Analyzing trace with hash -58143084, now seen corresponding path program 1 times
[2024-11-24 02:04:54,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:54,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618494949]
[2024-11-24 02:04:54,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:54,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:54,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:54,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618494949]
[2024-11-24 02:04:54,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618494949] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:54,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:54,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:04:54,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317656755]
[2024-11-24 02:04:54,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:54,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 02:04:54,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:54,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 02:04:54,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:04:54,746 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 91
[2024-11-24 02:04:54,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 79 transitions, 195 flow. Second operand has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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)
[2024-11-24 02:04:54,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:54,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 91
[2024-11-24 02:04:54,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:54,972 INFO L124 PetriNetUnfolderBase]: 312/1108 cut-off events.
[2024-11-24 02:04:54,972 INFO L125 PetriNetUnfolderBase]: For 134/134 co-relation queries the response was YES.
[2024-11-24 02:04:54,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1788 conditions, 1108 events. 312/1108 cut-off events. For 134/134 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6579 event pairs, 146 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1780. Up to 415 conditions per place.
[2024-11-24 02:04:54,980 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 32 selfloop transitions, 6 changer transitions 2/90 dead transitions.
[2024-11-24 02:04:54,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 90 transitions, 295 flow
[2024-11-24 02:04:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:04:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:04:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 363 transitions.
[2024-11-24 02:04:54,982 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6648351648351648
[2024-11-24 02:04:54,982 INFO L175 Difference]: Start difference. First operand has 89 places, 79 transitions, 195 flow. Second operand 6 states and 363 transitions.
[2024-11-24 02:04:54,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 90 transitions, 295 flow
[2024-11-24 02:04:54,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 90 transitions, 293 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 02:04:54,986 INFO L231 Difference]: Finished difference. Result has 89 places, 76 transitions, 199 flow
[2024-11-24 02:04:54,986 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=199, PETRI_PLACES=89, PETRI_TRANSITIONS=76}
[2024-11-24 02:04:54,987 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -2 predicate places.
[2024-11-24 02:04:54,987 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 76 transitions, 199 flow
[2024-11-24 02:04:54,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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)
[2024-11-24 02:04:54,987 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:54,987 INFO L206 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]
[2024-11-24 02:04:54,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-24 02:04:54,988 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 02:04:54,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash 566235832, now seen corresponding path program 1 times
[2024-11-24 02:04:54,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:54,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751860230]
[2024-11-24 02:04:54,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:54,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:55,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:55,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751860230]
[2024-11-24 02:04:55,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751860230] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:55,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:55,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:04:55,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726842992]
[2024-11-24 02:04:55,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:55,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:04:55,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:55,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:04:55,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:04:55,139 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 91
[2024-11-24 02:04:55,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 76 transitions, 199 flow. Second operand has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 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)
[2024-11-24 02:04:55,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:55,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 91
[2024-11-24 02:04:55,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:55,323 INFO L124 PetriNetUnfolderBase]: 120/895 cut-off events.
[2024-11-24 02:04:55,324 INFO L125 PetriNetUnfolderBase]: For 152/152 co-relation queries the response was YES.
[2024-11-24 02:04:55,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1273 conditions, 895 events. 120/895 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5522 event pairs, 30 based on Foata normal form. 2/813 useless extension candidates. Maximal degree in co-relation 1265. Up to 193 conditions per place.
[2024-11-24 02:04:55,328 INFO L140 encePairwiseOnDemand]: 86/91 looper letters, 22 selfloop transitions, 5 changer transitions 0/85 dead transitions.
[2024-11-24 02:04:55,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 85 transitions, 275 flow
[2024-11-24 02:04:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:04:55,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:04:55,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 412 transitions.
[2024-11-24 02:04:55,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7545787545787546
[2024-11-24 02:04:55,330 INFO L175 Difference]: Start difference. First operand has 89 places, 76 transitions, 199 flow. Second operand 6 states and 412 transitions.
[2024-11-24 02:04:55,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 85 transitions, 275 flow
[2024-11-24 02:04:55,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 85 transitions, 261 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 02:04:55,332 INFO L231 Difference]: Finished difference. Result has 90 places, 79 transitions, 219 flow
[2024-11-24 02:04:55,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=219, PETRI_PLACES=90, PETRI_TRANSITIONS=79}
[2024-11-24 02:04:55,333 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -1 predicate places.
[2024-11-24 02:04:55,333 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 79 transitions, 219 flow
[2024-11-24 02:04:55,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 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)
[2024-11-24 02:04:55,333 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:55,334 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:55,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-24 02:04:55,334 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 02:04:55,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:55,334 INFO L85 PathProgramCache]: Analyzing trace with hash 777161643, now seen corresponding path program 1 times
[2024-11-24 02:04:55,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:55,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728055887]
[2024-11-24 02:04:55,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:55,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:55,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728055887]
[2024-11-24 02:04:55,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728055887] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:55,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:55,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 02:04:55,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591623102]
[2024-11-24 02:04:55,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:55,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:04:55,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:55,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:04:55,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:04:55,375 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 91
[2024-11-24 02:04:55,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 79 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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)
[2024-11-24 02:04:55,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:55,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 91
[2024-11-24 02:04:55,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:55,530 INFO L124 PetriNetUnfolderBase]: 119/1006 cut-off events.
[2024-11-24 02:04:55,531 INFO L125 PetriNetUnfolderBase]: For 240/296 co-relation queries the response was YES.
[2024-11-24 02:04:55,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 1006 events. 119/1006 cut-off events. For 240/296 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6880 event pairs, 42 based on Foata normal form. 5/887 useless extension candidates. Maximal degree in co-relation 1331. Up to 162 conditions per place.
[2024-11-24 02:04:55,537 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 15 selfloop transitions, 5 changer transitions 0/86 dead transitions.
[2024-11-24 02:04:55,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 86 transitions, 282 flow
[2024-11-24 02:04:55,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:04:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:04:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions.
[2024-11-24 02:04:55,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8351648351648352
[2024-11-24 02:04:55,539 INFO L175 Difference]: Start difference. First operand has 90 places, 79 transitions, 219 flow. Second operand 3 states and 228 transitions.
[2024-11-24 02:04:55,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 86 transitions, 282 flow
[2024-11-24 02:04:55,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 86 transitions, 276 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-24 02:04:55,541 INFO L231 Difference]: Finished difference. Result has 92 places, 83 transitions, 251 flow
[2024-11-24 02:04:55,542 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=92, PETRI_TRANSITIONS=83}
[2024-11-24 02:04:55,542 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 1 predicate places.
[2024-11-24 02:04:55,542 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 83 transitions, 251 flow
[2024-11-24 02:04:55,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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)
[2024-11-24 02:04:55,543 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:55,543 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:55,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-24 02:04:55,543 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 02:04:55,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:55,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1743632066, now seen corresponding path program 1 times
[2024-11-24 02:04:55,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:55,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063750889]
[2024-11-24 02:04:55,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:55,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-24 02:04:55,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:55,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063750889]
[2024-11-24 02:04:55,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063750889] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:55,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:55,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 02:04:55,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308751421]
[2024-11-24 02:04:55,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:55,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:04:55,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:55,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:04:55,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:04:55,759 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 91
[2024-11-24 02:04:55,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 83 transitions, 251 flow. Second operand has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 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)
[2024-11-24 02:04:55,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:55,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 91
[2024-11-24 02:04:55,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:56,030 INFO L124 PetriNetUnfolderBase]: 175/1157 cut-off events.
[2024-11-24 02:04:56,030 INFO L125 PetriNetUnfolderBase]: For 473/496 co-relation queries the response was YES.
[2024-11-24 02:04:56,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1872 conditions, 1157 events. 175/1157 cut-off events. For 473/496 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7454 event pairs, 38 based on Foata normal form. 4/1062 useless extension candidates. Maximal degree in co-relation 1860. Up to 218 conditions per place.
[2024-11-24 02:04:56,039 INFO L140 encePairwiseOnDemand]: 86/91 looper letters, 30 selfloop transitions, 8 changer transitions 0/97 dead transitions.
[2024-11-24 02:04:56,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 97 transitions, 383 flow
[2024-11-24 02:04:56,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 02:04:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-24 02:04:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 612 transitions.
[2024-11-24 02:04:56,041 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7472527472527473
[2024-11-24 02:04:56,042 INFO L175 Difference]: Start difference. First operand has 92 places, 83 transitions, 251 flow. Second operand 9 states and 612 transitions.
[2024-11-24 02:04:56,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 97 transitions, 383 flow
[2024-11-24 02:04:56,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 97 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 02:04:56,046 INFO L231 Difference]: Finished difference. Result has 101 places, 85 transitions, 277 flow
[2024-11-24 02:04:56,046 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=277, PETRI_PLACES=101, PETRI_TRANSITIONS=85}
[2024-11-24 02:04:56,047 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 10 predicate places.
[2024-11-24 02:04:56,047 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 85 transitions, 277 flow
[2024-11-24 02:04:56,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 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)
[2024-11-24 02:04:56,047 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:56,047 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:56,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-24 02:04:56,048 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 02:04:56,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:56,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1893914772, now seen corresponding path program 1 times
[2024-11-24 02:04:56,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:56,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547170710]
[2024-11-24 02:04:56,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:56,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-24 02:04:56,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:56,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547170710]
[2024-11-24 02:04:56,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547170710] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:56,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:56,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 02:04:56,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182737487]
[2024-11-24 02:04:56,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:56,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 02:04:56,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:56,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 02:04:56,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-24 02:04:56,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 91
[2024-11-24 02:04:56,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 85 transitions, 277 flow. Second operand has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 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)
[2024-11-24 02:04:56,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:56,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 91
[2024-11-24 02:04:56,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:56,500 INFO L124 PetriNetUnfolderBase]: 61/318 cut-off events.
[2024-11-24 02:04:56,501 INFO L125 PetriNetUnfolderBase]: For 215/215 co-relation queries the response was YES.
[2024-11-24 02:04:56,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 318 events. 61/318 cut-off events. For 215/215 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1255 event pairs, 0 based on Foata normal form. 8/326 useless extension candidates. Maximal degree in co-relation 646. Up to 69 conditions per place.
[2024-11-24 02:04:56,503 INFO L140 encePairwiseOnDemand]: 86/91 looper letters, 26 selfloop transitions, 10 changer transitions 0/71 dead transitions.
[2024-11-24 02:04:56,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 71 transitions, 328 flow
[2024-11-24 02:04:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-24 02:04:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2024-11-24 02:04:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 805 transitions.
[2024-11-24 02:04:56,506 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7371794871794872
[2024-11-24 02:04:56,506 INFO L175 Difference]: Start difference. First operand has 101 places, 85 transitions, 277 flow. Second operand 12 states and 805 transitions.
[2024-11-24 02:04:56,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 71 transitions, 328 flow
[2024-11-24 02:04:56,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 71 transitions, 302 flow, removed 5 selfloop flow, removed 8 redundant places.
[2024-11-24 02:04:56,510 INFO L231 Difference]: Finished difference. Result has 78 places, 53 transitions, 178 flow
[2024-11-24 02:04:56,511 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=178, PETRI_PLACES=78, PETRI_TRANSITIONS=53}
[2024-11-24 02:04:56,511 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -13 predicate places.
[2024-11-24 02:04:56,511 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 53 transitions, 178 flow
[2024-11-24 02:04:56,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 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)
[2024-11-24 02:04:56,511 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:56,512 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:56,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-24 02:04:56,512 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 02:04:56,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:56,513 INFO L85 PathProgramCache]: Analyzing trace with hash -510353707, now seen corresponding path program 1 times
[2024-11-24 02:04:56,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:56,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158446031]
[2024-11-24 02:04:56,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:56,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:04:56,557 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:04:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:04:56,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:04:56,578 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:04:56,578 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining)
[2024-11-24 02:04:56,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-11-24 02:04:56,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-11-24 02:04:56,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-11-24 02:04:56,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2024-11-24 02:04:56,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining)
[2024-11-24 02:04:56,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2024-11-24 02:04:56,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-11-24 02:04:56,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-11-24 02:04:56,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-24 02:04:56,580 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:56,580 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-24 02:04:56,580 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-11-24 02:04:56,600 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-24 02:04:56,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 99 transitions, 238 flow
[2024-11-24 02:04:56,664 INFO L124 PetriNetUnfolderBase]: 52/552 cut-off events.
[2024-11-24 02:04:56,665 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES.
[2024-11-24 02:04:56,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 552 events. 52/552 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1933 event pairs, 6 based on Foata normal form. 0/469 useless extension candidates. Maximal degree in co-relation 348. Up to 32 conditions per place.
[2024-11-24 02:04:56,667 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 99 transitions, 238 flow
[2024-11-24 02:04:56,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 99 transitions, 238 flow
[2024-11-24 02:04:56,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:04:56,673 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;@4ab9ca7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:04:56,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-24 02:04:56,675 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 02:04:56,675 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-11-24 02:04:56,676 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 02:04:56,676 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:56,676 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:56,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:04:56,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:56,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1507606985, now seen corresponding path program 1 times
[2024-11-24 02:04:56,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:56,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302340943]
[2024-11-24 02:04:56,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:56,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:56,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:56,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302340943]
[2024-11-24 02:04:56,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302340943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:56,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:56,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 02:04:56,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045353405]
[2024-11-24 02:04:56,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:56,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 02:04:56,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:56,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 02:04:56,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 02:04:56,691 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 99
[2024-11-24 02:04:56,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 99 transitions, 238 flow. Second operand has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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)
[2024-11-24 02:04:56,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:56,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 99
[2024-11-24 02:04:56,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:56,877 INFO L124 PetriNetUnfolderBase]: 157/1308 cut-off events.
[2024-11-24 02:04:56,878 INFO L125 PetriNetUnfolderBase]: For 498/783 co-relation queries the response was YES.
[2024-11-24 02:04:56,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1735 conditions, 1308 events. 157/1308 cut-off events. For 498/783 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 8554 event pairs, 128 based on Foata normal form. 105/1248 useless extension candidates. Maximal degree in co-relation 947. Up to 250 conditions per place.
[2024-11-24 02:04:56,886 INFO L140 encePairwiseOnDemand]: 90/99 looper letters, 13 selfloop transitions, 0 changer transitions 0/88 dead transitions.
[2024-11-24 02:04:56,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 88 transitions, 242 flow
[2024-11-24 02:04:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 02:04:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-24 02:04:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 174 transitions.
[2024-11-24 02:04:56,888 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8787878787878788
[2024-11-24 02:04:56,888 INFO L175 Difference]: Start difference. First operand has 100 places, 99 transitions, 238 flow. Second operand 2 states and 174 transitions.
[2024-11-24 02:04:56,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 88 transitions, 242 flow
[2024-11-24 02:04:56,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 88 transitions, 242 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:04:56,890 INFO L231 Difference]: Finished difference. Result has 94 places, 88 transitions, 216 flow
[2024-11-24 02:04:56,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=216, PETRI_PLACES=94, PETRI_TRANSITIONS=88}
[2024-11-24 02:04:56,893 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -6 predicate places.
[2024-11-24 02:04:56,893 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 88 transitions, 216 flow
[2024-11-24 02:04:56,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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)
[2024-11-24 02:04:56,893 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:56,893 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:56,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-24 02:04:56,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:04:56,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:56,894 INFO L85 PathProgramCache]: Analyzing trace with hash -847531865, now seen corresponding path program 1 times
[2024-11-24 02:04:56,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:56,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091464940]
[2024-11-24 02:04:56,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:56,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:56,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:56,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091464940]
[2024-11-24 02:04:56,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091464940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:56,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:56,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:04:56,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283748956]
[2024-11-24 02:04:56,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:56,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:04:56,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:56,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:04:56,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:04:56,947 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 99
[2024-11-24 02:04:56,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 88 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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)
[2024-11-24 02:04:56,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:56,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 99
[2024-11-24 02:04:56,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:57,331 INFO L124 PetriNetUnfolderBase]: 422/2882 cut-off events.
[2024-11-24 02:04:57,331 INFO L125 PetriNetUnfolderBase]: For 531/531 co-relation queries the response was YES.
[2024-11-24 02:04:57,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3738 conditions, 2882 events. 422/2882 cut-off events. For 531/531 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 23748 event pairs, 278 based on Foata normal form. 1/2616 useless extension candidates. Maximal degree in co-relation 3731. Up to 675 conditions per place.
[2024-11-24 02:04:57,349 INFO L140 encePairwiseOnDemand]: 96/99 looper letters, 18 selfloop transitions, 2 changer transitions 3/90 dead transitions.
[2024-11-24 02:04:57,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 90 transitions, 262 flow
[2024-11-24 02:04:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:04:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:04:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions.
[2024-11-24 02:04:57,350 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7811447811447811
[2024-11-24 02:04:57,350 INFO L175 Difference]: Start difference. First operand has 94 places, 88 transitions, 216 flow. Second operand 3 states and 232 transitions.
[2024-11-24 02:04:57,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 90 transitions, 262 flow
[2024-11-24 02:04:57,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 90 transitions, 262 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:04:57,352 INFO L231 Difference]: Finished difference. Result has 97 places, 86 transitions, 222 flow
[2024-11-24 02:04:57,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=97, PETRI_TRANSITIONS=86}
[2024-11-24 02:04:57,353 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -3 predicate places.
[2024-11-24 02:04:57,353 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 86 transitions, 222 flow
[2024-11-24 02:04:57,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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)
[2024-11-24 02:04:57,353 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:57,353 INFO L206 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]
[2024-11-24 02:04:57,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-24 02:04:57,353 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:04:57,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:57,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1244267913, now seen corresponding path program 1 times
[2024-11-24 02:04:57,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:57,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314879779]
[2024-11-24 02:04:57,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:57,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:57,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314879779]
[2024-11-24 02:04:57,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314879779] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:57,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:57,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:04:57,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787949397]
[2024-11-24 02:04:57,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:57,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 02:04:57,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:57,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 02:04:57,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:04:57,720 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 99
[2024-11-24 02:04:57,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 86 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 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)
[2024-11-24 02:04:57,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:57,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 99
[2024-11-24 02:04:57,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:58,198 INFO L124 PetriNetUnfolderBase]: 1099/3285 cut-off events.
[2024-11-24 02:04:58,198 INFO L125 PetriNetUnfolderBase]: For 513/513 co-relation queries the response was YES.
[2024-11-24 02:04:58,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5364 conditions, 3285 events. 1099/3285 cut-off events. For 513/513 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 24350 event pairs, 150 based on Foata normal form. 0/3063 useless extension candidates. Maximal degree in co-relation 5355. Up to 1372 conditions per place.
[2024-11-24 02:04:58,219 INFO L140 encePairwiseOnDemand]: 93/99 looper letters, 39 selfloop transitions, 6 changer transitions 2/101 dead transitions.
[2024-11-24 02:04:58,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 101 transitions, 344 flow
[2024-11-24 02:04:58,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:04:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:04:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 394 transitions.
[2024-11-24 02:04:58,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6632996632996633
[2024-11-24 02:04:58,222 INFO L175 Difference]: Start difference. First operand has 97 places, 86 transitions, 222 flow. Second operand 6 states and 394 transitions.
[2024-11-24 02:04:58,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 101 transitions, 344 flow
[2024-11-24 02:04:58,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 101 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 02:04:58,225 INFO L231 Difference]: Finished difference. Result has 97 places, 83 transitions, 226 flow
[2024-11-24 02:04:58,225 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=226, PETRI_PLACES=97, PETRI_TRANSITIONS=83}
[2024-11-24 02:04:58,225 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -3 predicate places.
[2024-11-24 02:04:58,225 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 83 transitions, 226 flow
[2024-11-24 02:04:58,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 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)
[2024-11-24 02:04:58,226 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:58,226 INFO L206 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]
[2024-11-24 02:04:58,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-24 02:04:58,226 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:04:58,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:58,226 INFO L85 PathProgramCache]: Analyzing trace with hash -195667371, now seen corresponding path program 1 times
[2024-11-24 02:04:58,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:58,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432847359]
[2024-11-24 02:04:58,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:58,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:58,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:58,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432847359]
[2024-11-24 02:04:58,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432847359] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:58,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:58,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:04:58,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480672871]
[2024-11-24 02:04:58,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:58,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:04:58,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:58,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:04:58,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:04:58,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 99
[2024-11-24 02:04:58,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 83 transitions, 226 flow. Second operand has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 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)
[2024-11-24 02:04:58,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:58,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 99
[2024-11-24 02:04:58,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:58,733 INFO L124 PetriNetUnfolderBase]: 408/2431 cut-off events.
[2024-11-24 02:04:58,733 INFO L125 PetriNetUnfolderBase]: For 561/561 co-relation queries the response was YES.
[2024-11-24 02:04:58,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3465 conditions, 2431 events. 408/2431 cut-off events. For 561/561 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 18986 event pairs, 167 based on Foata normal form. 2/2193 useless extension candidates. Maximal degree in co-relation 3456. Up to 615 conditions per place.
[2024-11-24 02:04:58,749 INFO L140 encePairwiseOnDemand]: 94/99 looper letters, 25 selfloop transitions, 5 changer transitions 0/92 dead transitions.
[2024-11-24 02:04:58,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 92 transitions, 308 flow
[2024-11-24 02:04:58,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:04:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:04:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 439 transitions.
[2024-11-24 02:04:58,751 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7390572390572391
[2024-11-24 02:04:58,751 INFO L175 Difference]: Start difference. First operand has 97 places, 83 transitions, 226 flow. Second operand 6 states and 439 transitions.
[2024-11-24 02:04:58,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 92 transitions, 308 flow
[2024-11-24 02:04:58,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 92 transitions, 294 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 02:04:58,756 INFO L231 Difference]: Finished difference. Result has 98 places, 86 transitions, 246 flow
[2024-11-24 02:04:58,756 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=246, PETRI_PLACES=98, PETRI_TRANSITIONS=86}
[2024-11-24 02:04:58,756 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -2 predicate places.
[2024-11-24 02:04:58,757 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 86 transitions, 246 flow
[2024-11-24 02:04:58,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 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)
[2024-11-24 02:04:58,757 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:58,757 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:58,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-24 02:04:58,757 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:04:58,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1775806562, now seen corresponding path program 1 times
[2024-11-24 02:04:58,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:58,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129019473]
[2024-11-24 02:04:58,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:58,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:58,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:58,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129019473]
[2024-11-24 02:04:58,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129019473] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:58,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:58,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 02:04:58,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490387378]
[2024-11-24 02:04:58,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:58,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:04:58,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:58,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:04:58,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:04:58,806 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 99
[2024-11-24 02:04:58,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 86 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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)
[2024-11-24 02:04:58,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:58,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 99
[2024-11-24 02:04:58,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:59,219 INFO L124 PetriNetUnfolderBase]: 488/2976 cut-off events.
[2024-11-24 02:04:59,219 INFO L125 PetriNetUnfolderBase]: For 886/1127 co-relation queries the response was YES.
[2024-11-24 02:04:59,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4079 conditions, 2976 events. 488/2976 cut-off events. For 886/1127 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 25675 event pairs, 185 based on Foata normal form. 9/2617 useless extension candidates. Maximal degree in co-relation 4067. Up to 580 conditions per place.
[2024-11-24 02:04:59,236 INFO L140 encePairwiseOnDemand]: 92/99 looper letters, 19 selfloop transitions, 6 changer transitions 0/95 dead transitions.
[2024-11-24 02:04:59,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 326 flow
[2024-11-24 02:04:59,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:04:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:04:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions.
[2024-11-24 02:04:59,237 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8249158249158249
[2024-11-24 02:04:59,237 INFO L175 Difference]: Start difference. First operand has 98 places, 86 transitions, 246 flow. Second operand 3 states and 245 transitions.
[2024-11-24 02:04:59,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 95 transitions, 326 flow
[2024-11-24 02:04:59,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 320 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-24 02:04:59,240 INFO L231 Difference]: Finished difference. Result has 100 places, 91 transitions, 286 flow
[2024-11-24 02:04:59,240 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=100, PETRI_TRANSITIONS=91}
[2024-11-24 02:04:59,241 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, 0 predicate places.
[2024-11-24 02:04:59,241 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 91 transitions, 286 flow
[2024-11-24 02:04:59,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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)
[2024-11-24 02:04:59,241 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:59,241 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:59,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-11-24 02:04:59,241 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:04:59,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:59,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1943571376, now seen corresponding path program 1 times
[2024-11-24 02:04:59,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:59,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955812720]
[2024-11-24 02:04:59,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:59,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:04:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:04:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:04:59,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:04:59,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955812720]
[2024-11-24 02:04:59,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955812720] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:04:59,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:04:59,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 02:04:59,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371553485]
[2024-11-24 02:04:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:04:59,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:04:59,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:04:59,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:04:59,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:04:59,407 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 99
[2024-11-24 02:04:59,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 91 transitions, 286 flow. Second operand has 7 states, 7 states have (on average 70.0) internal successors, (490), 7 states have internal predecessors, (490), 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)
[2024-11-24 02:04:59,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:04:59,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 99
[2024-11-24 02:04:59,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:04:59,955 INFO L124 PetriNetUnfolderBase]: 704/3458 cut-off events.
[2024-11-24 02:04:59,955 INFO L125 PetriNetUnfolderBase]: For 1807/1906 co-relation queries the response was YES.
[2024-11-24 02:04:59,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5888 conditions, 3458 events. 704/3458 cut-off events. For 1807/1906 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 30079 event pairs, 123 based on Foata normal form. 4/3155 useless extension candidates. Maximal degree in co-relation 5875. Up to 942 conditions per place.
[2024-11-24 02:04:59,980 INFO L140 encePairwiseOnDemand]: 94/99 looper letters, 36 selfloop transitions, 8 changer transitions 0/107 dead transitions.
[2024-11-24 02:04:59,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 107 transitions, 440 flow
[2024-11-24 02:04:59,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 02:04:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-24 02:04:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 653 transitions.
[2024-11-24 02:04:59,983 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7328843995510662
[2024-11-24 02:04:59,983 INFO L175 Difference]: Start difference. First operand has 100 places, 91 transitions, 286 flow. Second operand 9 states and 653 transitions.
[2024-11-24 02:04:59,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 107 transitions, 440 flow
[2024-11-24 02:04:59,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 107 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 02:04:59,987 INFO L231 Difference]: Finished difference. Result has 109 places, 94 transitions, 318 flow
[2024-11-24 02:04:59,988 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=318, PETRI_PLACES=109, PETRI_TRANSITIONS=94}
[2024-11-24 02:04:59,988 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, 9 predicate places.
[2024-11-24 02:04:59,988 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 94 transitions, 318 flow
[2024-11-24 02:04:59,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 70.0) internal successors, (490), 7 states have internal predecessors, (490), 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)
[2024-11-24 02:04:59,988 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:04:59,989 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:04:59,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-11-24 02:04:59,989 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:04:59,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:04:59,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1976118276, now seen corresponding path program 1 times
[2024-11-24 02:04:59,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:04:59,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449457616]
[2024-11-24 02:04:59,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:04:59,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:05:00,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:00,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449457616]
[2024-11-24 02:05:00,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449457616] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:00,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:00,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 02:05:00,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576728331]
[2024-11-24 02:05:00,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:00,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 02:05:00,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:00,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 02:05:00,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-24 02:05:00,235 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 99
[2024-11-24 02:05:00,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 94 transitions, 318 flow. Second operand has 9 states, 9 states have (on average 70.0) internal successors, (630), 9 states have internal predecessors, (630), 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)
[2024-11-24 02:05:00,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:00,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 99
[2024-11-24 02:05:00,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:00,814 INFO L124 PetriNetUnfolderBase]: 616/3337 cut-off events.
[2024-11-24 02:05:00,814 INFO L125 PetriNetUnfolderBase]: For 1628/1704 co-relation queries the response was YES.
[2024-11-24 02:05:00,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5447 conditions, 3337 events. 616/3337 cut-off events. For 1628/1704 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 28238 event pairs, 119 based on Foata normal form. 8/3030 useless extension candidates. Maximal degree in co-relation 5431. Up to 711 conditions per place.
[2024-11-24 02:05:00,842 INFO L140 encePairwiseOnDemand]: 94/99 looper letters, 44 selfloop transitions, 11 changer transitions 0/118 dead transitions.
[2024-11-24 02:05:00,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 118 transitions, 528 flow
[2024-11-24 02:05:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-24 02:05:00,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2024-11-24 02:05:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 868 transitions.
[2024-11-24 02:05:00,845 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7306397306397306
[2024-11-24 02:05:00,845 INFO L175 Difference]: Start difference. First operand has 109 places, 94 transitions, 318 flow. Second operand 12 states and 868 transitions.
[2024-11-24 02:05:00,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 118 transitions, 528 flow
[2024-11-24 02:05:00,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 118 transitions, 510 flow, removed 4 selfloop flow, removed 5 redundant places.
[2024-11-24 02:05:00,851 INFO L231 Difference]: Finished difference. Result has 118 places, 96 transitions, 346 flow
[2024-11-24 02:05:00,851 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=346, PETRI_PLACES=118, PETRI_TRANSITIONS=96}
[2024-11-24 02:05:00,852 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, 18 predicate places.
[2024-11-24 02:05:00,852 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 96 transitions, 346 flow
[2024-11-24 02:05:00,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 70.0) internal successors, (630), 9 states have internal predecessors, (630), 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)
[2024-11-24 02:05:00,852 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:00,853 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:00,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-11-24 02:05:00,853 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:05:00,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:00,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2029691879, now seen corresponding path program 1 times
[2024-11-24 02:05:00,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:00,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43237949]
[2024-11-24 02:05:00,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:00,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:05:01,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:01,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43237949]
[2024-11-24 02:05:01,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43237949] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:01,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:01,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-24 02:05:01,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815892245]
[2024-11-24 02:05:01,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:01,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 02:05:01,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:01,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 02:05:01,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2024-11-24 02:05:01,199 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 99
[2024-11-24 02:05:01,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 96 transitions, 346 flow. Second operand has 11 states, 11 states have (on average 69.36363636363636) internal successors, (763), 11 states have internal predecessors, (763), 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)
[2024-11-24 02:05:01,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:01,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 99
[2024-11-24 02:05:01,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:01,511 INFO L124 PetriNetUnfolderBase]: 230/765 cut-off events.
[2024-11-24 02:05:01,511 INFO L125 PetriNetUnfolderBase]: For 869/869 co-relation queries the response was YES.
[2024-11-24 02:05:01,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1789 conditions, 765 events. 230/765 cut-off events. For 869/869 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3962 event pairs, 0 based on Foata normal form. 16/781 useless extension candidates. Maximal degree in co-relation 1770. Up to 246 conditions per place.
[2024-11-24 02:05:01,519 INFO L140 encePairwiseOnDemand]: 94/99 looper letters, 45 selfloop transitions, 13 changer transitions 0/96 dead transitions.
[2024-11-24 02:05:01,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 96 transitions, 486 flow
[2024-11-24 02:05:01,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-24 02:05:01,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2024-11-24 02:05:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1064 transitions.
[2024-11-24 02:05:01,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7164983164983165
[2024-11-24 02:05:01,523 INFO L175 Difference]: Start difference. First operand has 118 places, 96 transitions, 346 flow. Second operand 15 states and 1064 transitions.
[2024-11-24 02:05:01,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 96 transitions, 486 flow
[2024-11-24 02:05:01,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 96 transitions, 442 flow, removed 10 selfloop flow, removed 12 redundant places.
[2024-11-24 02:05:01,528 INFO L231 Difference]: Finished difference. Result has 94 places, 62 transitions, 224 flow
[2024-11-24 02:05:01,528 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=224, PETRI_PLACES=94, PETRI_TRANSITIONS=62}
[2024-11-24 02:05:01,529 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -6 predicate places.
[2024-11-24 02:05:01,529 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 62 transitions, 224 flow
[2024-11-24 02:05:01,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 69.36363636363636) internal successors, (763), 11 states have internal predecessors, (763), 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)
[2024-11-24 02:05:01,529 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:01,530 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:01,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-11-24 02:05:01,530 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-24 02:05:01,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:01,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1122024002, now seen corresponding path program 1 times
[2024-11-24 02:05:01,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:01,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757142729]
[2024-11-24 02:05:01,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:01,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:05:01,565 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:05:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:05:01,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:05:01,594 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:05:01,594 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining)
[2024-11-24 02:05:01,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining)
[2024-11-24 02:05:01,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining)
[2024-11-24 02:05:01,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining)
[2024-11-24 02:05:01,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining)
[2024-11-24 02:05:01,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining)
[2024-11-24 02:05:01,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining)
[2024-11-24 02:05:01,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining)
[2024-11-24 02:05:01,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining)
[2024-11-24 02:05:01,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining)
[2024-11-24 02:05:01,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-11-24 02:05:01,596 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:01,597 WARN L246 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-24 02:05:01,597 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-11-24 02:05:01,623 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions.
[2024-11-24 02:05:01,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 107 transitions, 269 flow
[2024-11-24 02:05:01,745 INFO L124 PetriNetUnfolderBase]: 104/972 cut-off events.
[2024-11-24 02:05:01,746 INFO L125 PetriNetUnfolderBase]: For 110/110 co-relation queries the response was YES.
[2024-11-24 02:05:01,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1078 conditions, 972 events. 104/972 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4474 event pairs, 23 based on Foata normal form. 0/834 useless extension candidates. Maximal degree in co-relation 597. Up to 80 conditions per place.
[2024-11-24 02:05:01,749 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 107 transitions, 269 flow
[2024-11-24 02:05:01,752 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 107 transitions, 269 flow
[2024-11-24 02:05:01,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:05:01,754 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;@4ab9ca7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:05:01,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2024-11-24 02:05:01,758 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 02:05:01,758 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-11-24 02:05:01,758 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 02:05:01,758 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:01,758 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:01,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:01,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:01,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1014753129, now seen corresponding path program 1 times
[2024-11-24 02:05:01,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:01,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785943909]
[2024-11-24 02:05:01,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:01,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:05:01,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:01,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785943909]
[2024-11-24 02:05:01,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785943909] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:01,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:01,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 02:05:01,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062160602]
[2024-11-24 02:05:01,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:01,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 02:05:01,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:01,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 02:05:01,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 02:05:01,771 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 107
[2024-11-24 02:05:01,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 107 transitions, 269 flow. Second operand has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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)
[2024-11-24 02:05:01,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:01,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 107
[2024-11-24 02:05:01,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:02,268 INFO L124 PetriNetUnfolderBase]: 622/3788 cut-off events.
[2024-11-24 02:05:02,269 INFO L125 PetriNetUnfolderBase]: For 1701/3007 co-relation queries the response was YES.
[2024-11-24 02:05:02,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5251 conditions, 3788 events. 622/3788 cut-off events. For 1701/3007 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 33561 event pairs, 527 based on Foata normal form. 306/3603 useless extension candidates. Maximal degree in co-relation 3055. Up to 892 conditions per place.
[2024-11-24 02:05:02,293 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 16 selfloop transitions, 0 changer transitions 0/95 dead transitions.
[2024-11-24 02:05:02,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 95 transitions, 277 flow
[2024-11-24 02:05:02,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 02:05:02,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-24 02:05:02,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 186 transitions.
[2024-11-24 02:05:02,294 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8691588785046729
[2024-11-24 02:05:02,294 INFO L175 Difference]: Start difference. First operand has 109 places, 107 transitions, 269 flow. Second operand 2 states and 186 transitions.
[2024-11-24 02:05:02,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 95 transitions, 277 flow
[2024-11-24 02:05:02,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 95 transitions, 277 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:05:02,299 INFO L231 Difference]: Finished difference. Result has 102 places, 95 transitions, 245 flow
[2024-11-24 02:05:02,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=245, PETRI_PLACES=102, PETRI_TRANSITIONS=95}
[2024-11-24 02:05:02,300 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -7 predicate places.
[2024-11-24 02:05:02,301 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 95 transitions, 245 flow
[2024-11-24 02:05:02,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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)
[2024-11-24 02:05:02,302 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:02,302 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:02,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-11-24 02:05:02,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:02,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:02,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1559798962, now seen corresponding path program 1 times
[2024-11-24 02:05:02,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:02,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341646889]
[2024-11-24 02:05:02,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:02,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:05:02,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:02,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341646889]
[2024-11-24 02:05:02,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341646889] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:02,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:02,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:05:02,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097146227]
[2024-11-24 02:05:02,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:02,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:05:02,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:02,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:05:02,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:05:02,353 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 107
[2024-11-24 02:05:02,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 95 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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)
[2024-11-24 02:05:02,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:02,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 107
[2024-11-24 02:05:02,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:03,502 INFO L124 PetriNetUnfolderBase]: 1439/8085 cut-off events.
[2024-11-24 02:05:03,503 INFO L125 PetriNetUnfolderBase]: For 1886/1886 co-relation queries the response was YES.
[2024-11-24 02:05:03,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10772 conditions, 8085 events. 1439/8085 cut-off events. For 1886/1886 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 81629 event pairs, 1050 based on Foata normal form. 1/7383 useless extension candidates. Maximal degree in co-relation 10764. Up to 2112 conditions per place.
[2024-11-24 02:05:03,577 INFO L140 encePairwiseOnDemand]: 104/107 looper letters, 21 selfloop transitions, 2 changer transitions 3/97 dead transitions.
[2024-11-24 02:05:03,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 97 transitions, 297 flow
[2024-11-24 02:05:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:05:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:05:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions.
[2024-11-24 02:05:03,579 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7694704049844237
[2024-11-24 02:05:03,579 INFO L175 Difference]: Start difference. First operand has 102 places, 95 transitions, 245 flow. Second operand 3 states and 247 transitions.
[2024-11-24 02:05:03,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 97 transitions, 297 flow
[2024-11-24 02:05:03,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 97 transitions, 297 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 02:05:03,582 INFO L231 Difference]: Finished difference. Result has 105 places, 93 transitions, 251 flow
[2024-11-24 02:05:03,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=105, PETRI_TRANSITIONS=93}
[2024-11-24 02:05:03,583 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -4 predicate places.
[2024-11-24 02:05:03,583 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 93 transitions, 251 flow
[2024-11-24 02:05:03,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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)
[2024-11-24 02:05:03,583 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:03,583 INFO L206 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]
[2024-11-24 02:05:03,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-11-24 02:05:03,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:03,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:03,584 INFO L85 PathProgramCache]: Analyzing trace with hash 727521890, now seen corresponding path program 1 times
[2024-11-24 02:05:03,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:03,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654066107]
[2024-11-24 02:05:03,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:03,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:05:03,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:03,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654066107]
[2024-11-24 02:05:03,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654066107] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:03,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:03,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:05:03,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898316557]
[2024-11-24 02:05:03,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:03,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 02:05:03,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:03,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 02:05:03,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:05:03,930 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 107
[2024-11-24 02:05:03,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 93 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 63.666666666666664) internal successors, (382), 6 states have internal predecessors, (382), 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)
[2024-11-24 02:05:03,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:03,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 107
[2024-11-24 02:05:03,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:05,229 INFO L124 PetriNetUnfolderBase]: 3704/9558 cut-off events.
[2024-11-24 02:05:05,230 INFO L125 PetriNetUnfolderBase]: For 1820/1820 co-relation queries the response was YES.
[2024-11-24 02:05:05,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15928 conditions, 9558 events. 3704/9558 cut-off events. For 1820/1820 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 81015 event pairs, 460 based on Foata normal form. 0/8948 useless extension candidates. Maximal degree in co-relation 15918. Up to 4549 conditions per place.
[2024-11-24 02:05:05,290 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 46 selfloop transitions, 6 changer transitions 2/112 dead transitions.
[2024-11-24 02:05:05,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 112 transitions, 395 flow
[2024-11-24 02:05:05,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:05:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:05:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 425 transitions.
[2024-11-24 02:05:05,292 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.661993769470405
[2024-11-24 02:05:05,292 INFO L175 Difference]: Start difference. First operand has 105 places, 93 transitions, 251 flow. Second operand 6 states and 425 transitions.
[2024-11-24 02:05:05,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 112 transitions, 395 flow
[2024-11-24 02:05:05,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 112 transitions, 393 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 02:05:05,297 INFO L231 Difference]: Finished difference. Result has 105 places, 90 transitions, 255 flow
[2024-11-24 02:05:05,297 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=255, PETRI_PLACES=105, PETRI_TRANSITIONS=90}
[2024-11-24 02:05:05,301 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -4 predicate places.
[2024-11-24 02:05:05,302 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 90 transitions, 255 flow
[2024-11-24 02:05:05,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.666666666666664) internal successors, (382), 6 states have internal predecessors, (382), 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)
[2024-11-24 02:05:05,302 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:05,302 INFO L206 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]
[2024-11-24 02:05:05,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-11-24 02:05:05,302 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:05,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash 174887418, now seen corresponding path program 1 times
[2024-11-24 02:05:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:05,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382528996]
[2024-11-24 02:05:05,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:05:05,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:05,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382528996]
[2024-11-24 02:05:05,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382528996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:05,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:05,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:05:05,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739086378]
[2024-11-24 02:05:05,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:05,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:05:05,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:05,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:05:05,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:05:05,445 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 107
[2024-11-24 02:05:05,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 90 transitions, 255 flow. Second operand has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 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)
[2024-11-24 02:05:05,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:05,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 107
[2024-11-24 02:05:05,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:06,455 INFO L124 PetriNetUnfolderBase]: 1288/6659 cut-off events.
[2024-11-24 02:05:06,455 INFO L125 PetriNetUnfolderBase]: For 1952/1952 co-relation queries the response was YES.
[2024-11-24 02:05:06,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9505 conditions, 6659 events. 1288/6659 cut-off events. For 1952/1952 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 63376 event pairs, 921 based on Foata normal form. 2/5999 useless extension candidates. Maximal degree in co-relation 9495. Up to 1817 conditions per place.
[2024-11-24 02:05:06,494 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 28 selfloop transitions, 5 changer transitions 0/99 dead transitions.
[2024-11-24 02:05:06,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 99 transitions, 343 flow
[2024-11-24 02:05:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:05:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 02:05:06,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 466 transitions.
[2024-11-24 02:05:06,496 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7258566978193146
[2024-11-24 02:05:06,496 INFO L175 Difference]: Start difference. First operand has 105 places, 90 transitions, 255 flow. Second operand 6 states and 466 transitions.
[2024-11-24 02:05:06,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 99 transitions, 343 flow
[2024-11-24 02:05:06,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 99 transitions, 329 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 02:05:06,500 INFO L231 Difference]: Finished difference. Result has 106 places, 93 transitions, 275 flow
[2024-11-24 02:05:06,501 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=275, PETRI_PLACES=106, PETRI_TRANSITIONS=93}
[2024-11-24 02:05:06,502 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places.
[2024-11-24 02:05:06,502 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 93 transitions, 275 flow
[2024-11-24 02:05:06,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 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)
[2024-11-24 02:05:06,502 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:06,502 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:06,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-11-24 02:05:06,503 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:06,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:06,504 INFO L85 PathProgramCache]: Analyzing trace with hash -2120954335, now seen corresponding path program 1 times
[2024-11-24 02:05:06,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:06,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387324923]
[2024-11-24 02:05:06,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:06,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:05:06,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:06,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387324923]
[2024-11-24 02:05:06,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387324923] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:06,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:06,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 02:05:06,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734896325]
[2024-11-24 02:05:06,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:06,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:05:06,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:06,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:05:06,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:05:06,542 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 107
[2024-11-24 02:05:06,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 93 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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)
[2024-11-24 02:05:06,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:06,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 107
[2024-11-24 02:05:06,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:07,544 INFO L124 PetriNetUnfolderBase]: 1754/8829 cut-off events.
[2024-11-24 02:05:07,544 INFO L125 PetriNetUnfolderBase]: For 3134/3973 co-relation queries the response was YES.
[2024-11-24 02:05:07,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12392 conditions, 8829 events. 1754/8829 cut-off events. For 3134/3973 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 92492 event pairs, 727 based on Foata normal form. 14/7777 useless extension candidates. Maximal degree in co-relation 12379. Up to 1919 conditions per place.
[2024-11-24 02:05:07,600 INFO L140 encePairwiseOnDemand]: 99/107 looper letters, 23 selfloop transitions, 7 changer transitions 0/104 dead transitions.
[2024-11-24 02:05:07,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 372 flow
[2024-11-24 02:05:07,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:05:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 02:05:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions.
[2024-11-24 02:05:07,601 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405
[2024-11-24 02:05:07,601 INFO L175 Difference]: Start difference. First operand has 106 places, 93 transitions, 275 flow. Second operand 3 states and 262 transitions.
[2024-11-24 02:05:07,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 372 flow
[2024-11-24 02:05:07,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 366 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-24 02:05:07,607 INFO L231 Difference]: Finished difference. Result has 108 places, 99 transitions, 323 flow
[2024-11-24 02:05:07,608 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=108, PETRI_TRANSITIONS=99}
[2024-11-24 02:05:07,608 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -1 predicate places.
[2024-11-24 02:05:07,608 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 99 transitions, 323 flow
[2024-11-24 02:05:07,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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)
[2024-11-24 02:05:07,609 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:07,609 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:07,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-11-24 02:05:07,609 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:07,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash -2084313310, now seen corresponding path program 1 times
[2024-11-24 02:05:07,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:07,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115991943]
[2024-11-24 02:05:07,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:07,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-24 02:05:07,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:07,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115991943]
[2024-11-24 02:05:07,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115991943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:07,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:07,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 02:05:07,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507540464]
[2024-11-24 02:05:07,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:07,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:05:07,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:07,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:05:07,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:05:07,768 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 107
[2024-11-24 02:05:07,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 99 transitions, 323 flow. Second operand has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 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)
[2024-11-24 02:05:07,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:07,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 107
[2024-11-24 02:05:07,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:08,999 INFO L124 PetriNetUnfolderBase]: 2370/9833 cut-off events.
[2024-11-24 02:05:08,999 INFO L125 PetriNetUnfolderBase]: For 6093/6429 co-relation queries the response was YES.
[2024-11-24 02:05:09,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17304 conditions, 9833 events. 2370/9833 cut-off events. For 6093/6429 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 99756 event pairs, 612 based on Foata normal form. 4/8888 useless extension candidates. Maximal degree in co-relation 17290. Up to 3107 conditions per place.
[2024-11-24 02:05:09,039 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 40 selfloop transitions, 8 changer transitions 0/115 dead transitions.
[2024-11-24 02:05:09,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 115 transitions, 485 flow
[2024-11-24 02:05:09,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 02:05:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-24 02:05:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 692 transitions.
[2024-11-24 02:05:09,041 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7185877466251298
[2024-11-24 02:05:09,041 INFO L175 Difference]: Start difference. First operand has 108 places, 99 transitions, 323 flow. Second operand 9 states and 692 transitions.
[2024-11-24 02:05:09,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 115 transitions, 485 flow
[2024-11-24 02:05:09,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 115 transitions, 471 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 02:05:09,049 INFO L231 Difference]: Finished difference. Result has 117 places, 102 transitions, 353 flow
[2024-11-24 02:05:09,050 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=353, PETRI_PLACES=117, PETRI_TRANSITIONS=102}
[2024-11-24 02:05:09,050 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, 8 predicate places.
[2024-11-24 02:05:09,050 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 102 transitions, 353 flow
[2024-11-24 02:05:09,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 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)
[2024-11-24 02:05:09,051 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:09,051 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:09,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-11-24 02:05:09,051 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:09,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:09,052 INFO L85 PathProgramCache]: Analyzing trace with hash -105295716, now seen corresponding path program 1 times
[2024-11-24 02:05:09,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:09,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386134958]
[2024-11-24 02:05:09,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:09,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-24 02:05:09,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:09,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386134958]
[2024-11-24 02:05:09,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386134958] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:09,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:09,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 02:05:09,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255964978]
[2024-11-24 02:05:09,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:09,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 02:05:09,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:09,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 02:05:09,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-24 02:05:09,284 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 107
[2024-11-24 02:05:09,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 102 transitions, 353 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 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)
[2024-11-24 02:05:09,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:09,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 107
[2024-11-24 02:05:09,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:10,584 INFO L124 PetriNetUnfolderBase]: 2282/9676 cut-off events.
[2024-11-24 02:05:10,584 INFO L125 PetriNetUnfolderBase]: For 5452/5765 co-relation queries the response was YES.
[2024-11-24 02:05:10,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16483 conditions, 9676 events. 2282/9676 cut-off events. For 5452/5765 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 100063 event pairs, 632 based on Foata normal form. 8/8704 useless extension candidates. Maximal degree in co-relation 16466. Up to 2876 conditions per place.
[2024-11-24 02:05:10,636 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 50 selfloop transitions, 11 changer transitions 0/128 dead transitions.
[2024-11-24 02:05:10,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 589 flow
[2024-11-24 02:05:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-24 02:05:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2024-11-24 02:05:10,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 921 transitions.
[2024-11-24 02:05:10,638 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7172897196261683
[2024-11-24 02:05:10,638 INFO L175 Difference]: Start difference. First operand has 117 places, 102 transitions, 353 flow. Second operand 12 states and 921 transitions.
[2024-11-24 02:05:10,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 589 flow
[2024-11-24 02:05:10,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 128 transitions, 571 flow, removed 4 selfloop flow, removed 5 redundant places.
[2024-11-24 02:05:10,645 INFO L231 Difference]: Finished difference. Result has 126 places, 105 transitions, 391 flow
[2024-11-24 02:05:10,645 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=391, PETRI_PLACES=126, PETRI_TRANSITIONS=105}
[2024-11-24 02:05:10,645 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, 17 predicate places.
[2024-11-24 02:05:10,645 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 105 transitions, 391 flow
[2024-11-24 02:05:10,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 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)
[2024-11-24 02:05:10,646 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:10,646 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:10,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-11-24 02:05:10,646 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:10,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:10,647 INFO L85 PathProgramCache]: Analyzing trace with hash -990359721, now seen corresponding path program 1 times
[2024-11-24 02:05:10,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:10,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544756291]
[2024-11-24 02:05:10,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:10,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:05:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 02:05:10,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:05:10,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544756291]
[2024-11-24 02:05:10,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544756291] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:05:10,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:05:10,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-24 02:05:10,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92791602]
[2024-11-24 02:05:10,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:05:10,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 02:05:10,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:05:10,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 02:05:10,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2024-11-24 02:05:10,987 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 107
[2024-11-24 02:05:10,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 105 transitions, 391 flow. Second operand has 11 states, 11 states have (on average 73.36363636363636) internal successors, (807), 11 states have internal predecessors, (807), 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)
[2024-11-24 02:05:10,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 02:05:10,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 107
[2024-11-24 02:05:10,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 02:05:12,548 INFO L124 PetriNetUnfolderBase]: 2166/9754 cut-off events.
[2024-11-24 02:05:12,549 INFO L125 PetriNetUnfolderBase]: For 5804/6041 co-relation queries the response was YES.
[2024-11-24 02:05:12,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16467 conditions, 9754 events. 2166/9754 cut-off events. For 5804/6041 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 100551 event pairs, 542 based on Foata normal form. 16/8821 useless extension candidates. Maximal degree in co-relation 16447. Up to 2296 conditions per place.
[2024-11-24 02:05:12,604 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 66 selfloop transitions, 15 changer transitions 0/147 dead transitions.
[2024-11-24 02:05:12,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 147 transitions, 719 flow
[2024-11-24 02:05:12,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-24 02:05:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2024-11-24 02:05:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1142 transitions.
[2024-11-24 02:05:12,607 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7115264797507788
[2024-11-24 02:05:12,607 INFO L175 Difference]: Start difference. First operand has 126 places, 105 transitions, 391 flow. Second operand 15 states and 1142 transitions.
[2024-11-24 02:05:12,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 147 transitions, 719 flow
[2024-11-24 02:05:12,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 147 transitions, 689 flow, removed 7 selfloop flow, removed 8 redundant places.
[2024-11-24 02:05:12,616 INFO L231 Difference]: Finished difference. Result has 136 places, 108 transitions, 427 flow
[2024-11-24 02:05:12,616 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=427, PETRI_PLACES=136, PETRI_TRANSITIONS=108}
[2024-11-24 02:05:12,617 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, 27 predicate places.
[2024-11-24 02:05:12,619 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 108 transitions, 427 flow
[2024-11-24 02:05:12,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 73.36363636363636) internal successors, (807), 11 states have internal predecessors, (807), 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)
[2024-11-24 02:05:12,620 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 02:05:12,620 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:12,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-11-24 02:05:12,620 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-24 02:05:12,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:05:12,621 INFO L85 PathProgramCache]: Analyzing trace with hash -145875565, now seen corresponding path program 1 times
[2024-11-24 02:05:12,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:05:12,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805534198]
[2024-11-24 02:05:12,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:05:12,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:05:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:05:12,651 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:05:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:05:12,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:05:12,676 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:05:12,676 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining)
[2024-11-24 02:05:12,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining)
[2024-11-24 02:05:12,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining)
[2024-11-24 02:05:12,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining)
[2024-11-24 02:05:12,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining)
[2024-11-24 02:05:12,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining)
[2024-11-24 02:05:12,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining)
[2024-11-24 02:05:12,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining)
[2024-11-24 02:05:12,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining)
[2024-11-24 02:05:12,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining)
[2024-11-24 02:05:12,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining)
[2024-11-24 02:05:12,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-11-24 02:05:12,677 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:05:12,881 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 5 thread instances
[2024-11-24 02:05:12,882 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 02:05:12,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:05:12 BasicIcfg
[2024-11-24 02:05:12,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 02:05:12,897 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 02:05:12,899 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 02:05:12,899 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 02:05:12,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:49" (3/4) ...
[2024-11-24 02:05:12,905 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-24 02:05:13,021 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7.
[2024-11-24 02:05:13,083 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 02:05:13,083 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 02:05:13,083 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 02:05:13,085 INFO L158 Benchmark]: Toolchain (without parser) took 24971.02ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 115.9MB in the beginning and 803.1MB in the end (delta: -687.2MB). Peak memory consumption was 433.4MB. Max. memory is 16.1GB.
[2024-11-24 02:05:13,085 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 73.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:05:13,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.13ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 96.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 02:05:13,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:05:13,086 INFO L158 Benchmark]: Boogie Preprocessor took 47.57ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:05:13,087 INFO L158 Benchmark]: RCFGBuilder took 529.97ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 78.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 02:05:13,088 INFO L158 Benchmark]: TraceAbstraction took 23590.77ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 77.9MB in the beginning and 840.8MB in the end (delta: -762.9MB). Peak memory consumption was 357.9MB. Max. memory is 16.1GB.
[2024-11-24 02:05:13,089 INFO L158 Benchmark]: Witness Printer took 186.26ms. Allocated memory is still 1.3GB. Free memory was 840.8MB in the beginning and 803.1MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-24 02:05:13,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 73.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 563.13ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 96.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.92ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 47.57ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 529.97ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 78.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 23590.77ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 77.9MB in the beginning and 840.8MB in the end (delta: -762.9MB). Peak memory consumption was 357.9MB. Max. memory is 16.1GB.
* Witness Printer took 186.26ms. Allocated memory is still 1.3GB. Free memory was 840.8MB in the beginning and 803.1MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 726]: Data race detected
Data race detected
The following path leads to a data race:
[L710] 0 intptr_t x;
VAL [x=0]
[L719] 0 pthread_t t[5 + 1];
VAL [\old(argc)=55, \old(argv)={57:53}, argc=55, t={3:0}, x=0]
[L721] 0 x = 0
VAL [\old(argc)=55, \old(argv)={57:53}, argc=55, t={3:0}, x=0]
[L723] 0 intptr_t i = 1;
VAL [\old(argc)=55, \old(argv)={57:53}, argc=55, i=1, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
VAL [\old(argc)=55, \old(argv)={57:53}, argc=55, i=1, t={3:0}, x=0]
[L724] 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(argc)=55, \old(argv)={57:53}, argc=55, i=1, t={3:0}, x=0]
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:1}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=1, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(arg)={0:1}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=2, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
VAL [\old(arg)={0:1}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=2, t={3:0}, x=0]
[L724] 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:1}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=2, t={3:0}, x=0]
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=2, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=3, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=3, t={3:0}, x=0]
[L724] 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=3, t={3:0}, x=0]
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=3, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=4, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=4, t={3:0}, x=0]
[L724] 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=4, t={3:0}, x=0]
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=4, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=5, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=5, t={3:0}, x=0]
[L724] 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=5, t={3:0}, x=0]
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=5, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=6, t={3:0}, x=0]
[L723] COND FALSE 0 !(i <= 5)
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, i=6, t={3:0}, x=0]
[L726] 0 x < 5 + 1
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, argc=55, t={3:0}, x=0]
[L712] 1 intptr_t thread = (intptr_t)arg;
VAL [\old(arg)={0:2}, arg={0:1}, thread=1, x=0]
[L714] 1 x = thread
VAL [\old(arg)={0:2}, arg={0:1}, thread=1, x=1]
[L726] 0 x < 5 + 1
VAL [\old(arg)={0:2}, \old(argc)=55, \old(argv)={57:53}, arg={0:1}, argc=55, t={3:0}, thread=1, x=1]
Now there is a data race on ~x~0 between
C: x = thread [714]
and
C: x < 5 + 1 [726]
- UnprovableResult [Line: 721]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 724]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 730]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 724]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 714]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 78 locations, 7 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: 2.2s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 233 IncrementalHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 3 mSDtfsCounter, 233 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=0, InterpolantAutomatonStates: 17, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
CFG has 4 procedures, 85 locations, 8 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: 2.1s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 412 IncrementalHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 23 mSDtfsCounter, 412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212occurred in iteration=5, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 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, ConComCheckerStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances
CFG has 5 procedures, 92 locations, 9 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: 2.8s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 670 IncrementalHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 45 mSDtfsCounter, 670 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=6, InterpolantAutomatonStates: 41, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 5/5 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, ConComCheckerStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances
CFG has 6 procedures, 99 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: 5.0s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 496 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 382 mSDsluCounter, 141 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 899 IncrementalHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 37 mSDtfsCounter, 899 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=346occurred in iteration=7, InterpolantAutomatonStates: 56, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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, ConComCheckerStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 5 thread instances
CFG has 7 procedures, 106 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.1s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 492 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 381 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1022 IncrementalHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 12 mSDtfsCounter, 1022 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred in iteration=8, InterpolantAutomatonStates: 56, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 422 NumberOfCodeBlocks, 422 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 9/9 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, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-24 02:05:13,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56088a4e-9061-4237-beaf-dd74a5563f79/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(DATA-RACE)