./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.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_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/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_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/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_bc909637-6f0d-4d91-bf12-5e71a0390818/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 b3e7d0a2f10d1449a9a354d4032bafdd0ae7a7fd76aceb835acbee3134ec74e4
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:07:42,684 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:07:42,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-23 23:07:42,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:07:42,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:07:42,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:07:42,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:07:42,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:07:42,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:07:42,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:07:42,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:07:42,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:07:42,822 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:07:42,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:07:42,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:07:42,823 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:07:42,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:07:42,823 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:07:42,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:07:42,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:07:42,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:07:42,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:07:42,824 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-23 23:07:42,824 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:07:42,824 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:07:42,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:07:42,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:07:42,825 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:07:42,825 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:07:42,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:07:42,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:07:42,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:07:42,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:07:42,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:07:42,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:07:42,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:07:42,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:07:42,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:07:42,826 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_bc909637-6f0d-4d91-bf12-5e71a0390818/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 -> b3e7d0a2f10d1449a9a354d4032bafdd0ae7a7fd76aceb835acbee3134ec74e4
[2024-11-23 23:07:43,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:07:43,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:07:43,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:07:43,127 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:07:43,127 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:07:43,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i
[2024-11-23 23:07:46,128 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/data/458be24be/f0b9e43521394183a196a1c7e9bde77c/FLAG16f30ab08
[2024-11-23 23:07:46,445 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:07:46,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i
[2024-11-23 23:07:46,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/data/458be24be/f0b9e43521394183a196a1c7e9bde77c/FLAG16f30ab08
[2024-11-23 23:07:46,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/data/458be24be/f0b9e43521394183a196a1c7e9bde77c
[2024-11-23 23:07:46,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:07:46,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:07:46,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:07:46,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:07:46,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:07:46,485 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:46" (1/1) ...
[2024-11-23 23:07:46,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57170177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:46, skipping insertion in model container
[2024-11-23 23:07:46,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:46" (1/1) ...
[2024-11-23 23:07:46,528 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:07:46,957 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:07:46,976 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:07:47,020 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:07:47,061 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:07:47,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47 WrapperNode
[2024-11-23 23:07:47,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:07:47,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:07:47,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:07:47,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:07:47,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,106 INFO L138 Inliner]: procedures = 171, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 143
[2024-11-23 23:07:47,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:07:47,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:07:47,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:07:47,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:07:47,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:07:47,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:07:47,139 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:07:47,139 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:07:47,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (1/1) ...
[2024-11-23 23:07:47,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:07:47,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:07:47,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:07:47,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc909637-6f0d-4d91-bf12-5e71a0390818/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:07:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-23 23:07:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-23 23:07:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-23 23:07:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:07:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-23 23:07:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-23 23:07:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-23 23:07:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 23:07:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 23:07:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-23 23:07:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:07:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:07:47,206 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 23:07:47,380 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:07:47,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:07:47,759 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 23:07:47,759 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:07:47,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:07:47,800 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-11-23 23:07:47,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:47 BoogieIcfgContainer
[2024-11-23 23:07:47,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:07:47,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:07:47,807 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:07:47,814 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:07:47,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:07:46" (1/3) ...
[2024-11-23 23:07:47,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6084c8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:47, skipping insertion in model container
[2024-11-23 23:07:47,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:47" (2/3) ...
[2024-11-23 23:07:47,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6084c8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:47, skipping insertion in model container
[2024-11-23 23:07:47,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:47" (3/3) ...
[2024-11-23 23:07:47,820 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_02-simple_racefree.i
[2024-11-23 23:07:47,835 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:07:47,837 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_02-simple_racefree.i that has 2 procedures, 184 locations, 1 initial locations, 6 loop locations, and 7 error locations.
[2024-11-23 23:07:47,837 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 23:07:47,944 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-23 23:07:47,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 187 places, 197 transitions, 401 flow
[2024-11-23 23:07:48,154 INFO L124 PetriNetUnfolderBase]: 19/256 cut-off events.
[2024-11-23 23:07:48,160 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:07:48,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 256 events. 19/256 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 626 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 141. Up to 4 conditions per place.
[2024-11-23 23:07:48,172 INFO L82 GeneralOperation]: Start removeDead. Operand has 187 places, 197 transitions, 401 flow
[2024-11-23 23:07:48,183 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 187 places, 197 transitions, 401 flow
[2024-11-23 23:07:48,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:07:48,216 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;@46b2b05e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:07:48,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-11-23 23:07:48,265 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:07:48,265 INFO L124 PetriNetUnfolderBase]: 2/102 cut-off events.
[2024-11-23 23:07:48,265 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:07:48,265 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:48,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:48,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 23:07:48,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:48,274 INFO L85 PathProgramCache]: Analyzing trace with hash 394925198, now seen corresponding path program 1 times
[2024-11-23 23:07:48,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:48,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471467229]
[2024-11-23 23:07:48,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:48,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:07:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:07:48,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:07:48,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471467229]
[2024-11-23 23:07:48,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471467229] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:07:48,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:07:48,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:07:48,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757725495]
[2024-11-23 23:07:48,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:07:48,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:07:48,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:07:48,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:07:48,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:07:48,881 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 197
[2024-11-23 23:07:48,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 197 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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)
[2024-11-23 23:07:48,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:07:48,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 197
[2024-11-23 23:07:48,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:07:49,155 INFO L124 PetriNetUnfolderBase]: 48/581 cut-off events.
[2024-11-23 23:07:49,155 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-11-23 23:07:49,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 581 events. 48/581 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2503 event pairs, 35 based on Foata normal form. 62/588 useless extension candidates. Maximal degree in co-relation 575. Up to 108 conditions per place.
[2024-11-23 23:07:49,160 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 22 selfloop transitions, 2 changer transitions 0/189 dead transitions.
[2024-11-23 23:07:49,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 189 transitions, 433 flow
[2024-11-23 23:07:49,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:07:49,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:07:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 542 transitions.
[2024-11-23 23:07:49,179 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9170896785109983
[2024-11-23 23:07:49,181 INFO L175 Difference]: Start difference. First operand has 187 places, 197 transitions, 401 flow. Second operand 3 states and 542 transitions.
[2024-11-23 23:07:49,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 189 transitions, 433 flow
[2024-11-23 23:07:49,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 189 transitions, 433 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:07:49,196 INFO L231 Difference]: Finished difference. Result has 188 places, 183 transitions, 381 flow
[2024-11-23 23:07:49,200 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=188, PETRI_TRANSITIONS=183}
[2024-11-23 23:07:49,207 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, 1 predicate places.
[2024-11-23 23:07:49,207 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 183 transitions, 381 flow
[2024-11-23 23:07:49,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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)
[2024-11-23 23:07:49,208 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:49,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:49,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:07:49,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 23:07:49,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:49,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2070826381, now seen corresponding path program 1 times
[2024-11-23 23:07:49,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:49,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406733941]
[2024-11-23 23:07:49,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:49,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:07:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:07:50,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:07:50,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406733941]
[2024-11-23 23:07:50,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406733941] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:07:50,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:07:50,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:07:50,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007962816]
[2024-11-23 23:07:50,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:07:50,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:07:50,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:07:50,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:07:50,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:07:50,549 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 197
[2024-11-23 23:07:50,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 183 transitions, 381 flow. Second operand has 6 states, 6 states have (on average 155.5) internal successors, (933), 6 states have internal predecessors, (933), 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)
[2024-11-23 23:07:50,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:07:50,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 197
[2024-11-23 23:07:50,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:07:50,851 INFO L124 PetriNetUnfolderBase]: 108/720 cut-off events.
[2024-11-23 23:07:50,851 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES.
[2024-11-23 23:07:50,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 720 events. 108/720 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3801 event pairs, 66 based on Foata normal form. 0/660 useless extension candidates. Maximal degree in co-relation 856. Up to 181 conditions per place.
[2024-11-23 23:07:50,860 INFO L140 encePairwiseOnDemand]: 191/197 looper letters, 48 selfloop transitions, 5 changer transitions 0/206 dead transitions.
[2024-11-23 23:07:50,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 206 transitions, 533 flow
[2024-11-23 23:07:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:07:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:07:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 978 transitions.
[2024-11-23 23:07:50,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8274111675126904
[2024-11-23 23:07:50,868 INFO L175 Difference]: Start difference. First operand has 188 places, 183 transitions, 381 flow. Second operand 6 states and 978 transitions.
[2024-11-23 23:07:50,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 206 transitions, 533 flow
[2024-11-23 23:07:50,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 206 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:07:50,874 INFO L231 Difference]: Finished difference. Result has 190 places, 182 transitions, 385 flow
[2024-11-23 23:07:50,875 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=190, PETRI_TRANSITIONS=182}
[2024-11-23 23:07:50,875 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, 3 predicate places.
[2024-11-23 23:07:50,875 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 182 transitions, 385 flow
[2024-11-23 23:07:50,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.5) internal successors, (933), 6 states have internal predecessors, (933), 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)
[2024-11-23 23:07:50,877 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:50,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:50,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:07:50,878 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 23:07:50,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:50,881 INFO L85 PathProgramCache]: Analyzing trace with hash 345640725, now seen corresponding path program 1 times
[2024-11-23 23:07:50,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:50,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748166815]
[2024-11-23 23:07:50,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:50,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:07:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:07:50,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:07:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748166815]
[2024-11-23 23:07:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748166815] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:07:50,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:07:50,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:07:50,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110119809]
[2024-11-23 23:07:50,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:07:50,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:07:51,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:07:51,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:07:51,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:07:51,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 197
[2024-11-23 23:07:51,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 182 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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)
[2024-11-23 23:07:51,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:07:51,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 197
[2024-11-23 23:07:51,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:07:51,270 INFO L124 PetriNetUnfolderBase]: 91/845 cut-off events.
[2024-11-23 23:07:51,270 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-11-23 23:07:51,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 845 events. 91/845 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4697 event pairs, 30 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 962. Up to 125 conditions per place.
[2024-11-23 23:07:51,276 INFO L140 encePairwiseOnDemand]: 188/197 looper letters, 30 selfloop transitions, 6 changer transitions 0/195 dead transitions.
[2024-11-23 23:07:51,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 195 transitions, 486 flow
[2024-11-23 23:07:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:07:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:07:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 522 transitions.
[2024-11-23 23:07:51,278 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.883248730964467
[2024-11-23 23:07:51,278 INFO L175 Difference]: Start difference. First operand has 190 places, 182 transitions, 385 flow. Second operand 3 states and 522 transitions.
[2024-11-23 23:07:51,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 195 transitions, 486 flow
[2024-11-23 23:07:51,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 195 transitions, 476 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:07:51,289 INFO L231 Difference]: Finished difference. Result has 187 places, 184 transitions, 413 flow
[2024-11-23 23:07:51,289 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=413, PETRI_PLACES=187, PETRI_TRANSITIONS=184}
[2024-11-23 23:07:51,291 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, 0 predicate places.
[2024-11-23 23:07:51,292 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 184 transitions, 413 flow
[2024-11-23 23:07:51,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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)
[2024-11-23 23:07:51,292 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:51,292 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:51,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:07:51,293 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 23:07:51,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:51,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1755723852, now seen corresponding path program 1 times
[2024-11-23 23:07:51,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:51,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083263252]
[2024-11-23 23:07:51,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:51,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:07:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:07:51,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:07:51,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083263252]
[2024-11-23 23:07:51,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083263252] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:07:51,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:07:51,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:07:51,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504865900]
[2024-11-23 23:07:51,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:07:51,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:07:51,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:07:51,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:07:51,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:07:51,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 197
[2024-11-23 23:07:51,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 184 transitions, 413 flow. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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)
[2024-11-23 23:07:51,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:07:51,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 197
[2024-11-23 23:07:51,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:07:51,715 INFO L124 PetriNetUnfolderBase]: 94/847 cut-off events.
[2024-11-23 23:07:51,716 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES.
[2024-11-23 23:07:51,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1181 conditions, 847 events. 94/847 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4786 event pairs, 60 based on Foata normal form. 0/778 useless extension candidates. Maximal degree in co-relation 1062. Up to 189 conditions per place.
[2024-11-23 23:07:51,720 INFO L140 encePairwiseOnDemand]: 192/197 looper letters, 27 selfloop transitions, 4 changer transitions 0/191 dead transitions.
[2024-11-23 23:07:51,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 191 transitions, 493 flow
[2024-11-23 23:07:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:07:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:07:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions.
[2024-11-23 23:07:51,729 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8764805414551607
[2024-11-23 23:07:51,729 INFO L175 Difference]: Start difference. First operand has 187 places, 184 transitions, 413 flow. Second operand 3 states and 518 transitions.
[2024-11-23 23:07:51,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 191 transitions, 493 flow
[2024-11-23 23:07:51,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 191 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:07:51,734 INFO L231 Difference]: Finished difference. Result has 189 places, 187 transitions, 433 flow
[2024-11-23 23:07:51,734 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=433, PETRI_PLACES=189, PETRI_TRANSITIONS=187}
[2024-11-23 23:07:51,735 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, 2 predicate places.
[2024-11-23 23:07:51,735 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 187 transitions, 433 flow
[2024-11-23 23:07:51,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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)
[2024-11-23 23:07:51,736 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:51,736 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:51,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 23:07:51,736 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 23:07:51,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:51,737 INFO L85 PathProgramCache]: Analyzing trace with hash -200987079, now seen corresponding path program 1 times
[2024-11-23 23:07:51,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:51,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361608419]
[2024-11-23 23:07:51,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:51,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:07:51,788 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:07:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:07:51,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:07:51,868 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:07:51,869 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining)
[2024-11-23 23:07:51,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining)
[2024-11-23 23:07:51,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining)
[2024-11-23 23:07:51,874 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining)
[2024-11-23 23:07:51,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 23:07:51,874 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-23 23:07:51,879 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 23:07:51,879 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-23 23:07:51,922 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-23 23:07:51,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 231 places, 246 transitions, 508 flow
[2024-11-23 23:07:52,000 INFO L124 PetriNetUnfolderBase]: 34/392 cut-off events.
[2024-11-23 23:07:52,000 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-23 23:07:52,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 392 events. 34/392 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1164 event pairs, 0 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 258. Up to 8 conditions per place.
[2024-11-23 23:07:52,004 INFO L82 GeneralOperation]: Start removeDead. Operand has 231 places, 246 transitions, 508 flow
[2024-11-23 23:07:52,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 231 places, 246 transitions, 508 flow
[2024-11-23 23:07:52,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:07:52,009 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;@46b2b05e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:07:52,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations.
[2024-11-23 23:07:52,019 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:07:52,019 INFO L124 PetriNetUnfolderBase]: 2/102 cut-off events.
[2024-11-23 23:07:52,019 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:07:52,019 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:52,019 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:52,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 23:07:52,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:52,020 INFO L85 PathProgramCache]: Analyzing trace with hash -689513394, now seen corresponding path program 1 times
[2024-11-23 23:07:52,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:52,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249794948]
[2024-11-23 23:07:52,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:52,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:07:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:07:52,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:07:52,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249794948]
[2024-11-23 23:07:52,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249794948] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:07:52,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:07:52,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:07:52,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460344642]
[2024-11-23 23:07:52,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:07:52,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:07:52,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:07:52,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:07:52,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:07:52,152 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 246
[2024-11-23 23:07:52,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 246 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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)
[2024-11-23 23:07:52,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:07:52,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 246
[2024-11-23 23:07:52,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:07:53,044 INFO L124 PetriNetUnfolderBase]: 788/4355 cut-off events.
[2024-11-23 23:07:53,044 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES.
[2024-11-23 23:07:53,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5708 conditions, 4355 events. 788/4355 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 41240 event pairs, 348 based on Foata normal form. 749/4718 useless extension candidates. Maximal degree in co-relation 721. Up to 1303 conditions per place.
[2024-11-23 23:07:53,077 INFO L140 encePairwiseOnDemand]: 225/246 looper letters, 31 selfloop transitions, 2 changer transitions 0/233 dead transitions.
[2024-11-23 23:07:53,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 233 transitions, 548 flow
[2024-11-23 23:07:53,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:07:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:07:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions.
[2024-11-23 23:07:53,083 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8970189701897019
[2024-11-23 23:07:53,083 INFO L175 Difference]: Start difference. First operand has 231 places, 246 transitions, 508 flow. Second operand 3 states and 662 transitions.
[2024-11-23 23:07:53,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 233 transitions, 548 flow
[2024-11-23 23:07:53,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 233 transitions, 548 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:07:53,089 INFO L231 Difference]: Finished difference. Result has 232 places, 227 transitions, 480 flow
[2024-11-23 23:07:53,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=232, PETRI_TRANSITIONS=227}
[2024-11-23 23:07:53,091 INFO L279 CegarLoopForPetriNet]: 231 programPoint places, 1 predicate places.
[2024-11-23 23:07:53,091 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 227 transitions, 480 flow
[2024-11-23 23:07:53,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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)
[2024-11-23 23:07:53,093 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:53,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:53,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 23:07:53,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 23:07:53,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:53,094 INFO L85 PathProgramCache]: Analyzing trace with hash -539252493, now seen corresponding path program 1 times
[2024-11-23 23:07:53,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:53,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972235168]
[2024-11-23 23:07:53,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:53,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:07:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:07:53,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:07:53,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972235168]
[2024-11-23 23:07:53,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972235168] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:07:53,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:07:53,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:07:53,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254387704]
[2024-11-23 23:07:53,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:07:53,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:07:53,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:07:53,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:07:53,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:07:53,858 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 246
[2024-11-23 23:07:53,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 227 transitions, 480 flow. Second operand has 6 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 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)
[2024-11-23 23:07:53,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:07:53,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 246
[2024-11-23 23:07:53,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:07:55,213 INFO L124 PetriNetUnfolderBase]: 1718/5999 cut-off events.
[2024-11-23 23:07:55,213 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES.
[2024-11-23 23:07:55,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9011 conditions, 5999 events. 1718/5999 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 57260 event pairs, 168 based on Foata normal form. 0/5548 useless extension candidates. Maximal degree in co-relation 4233. Up to 2015 conditions per place.
[2024-11-23 23:07:55,264 INFO L140 encePairwiseOnDemand]: 240/246 looper letters, 80 selfloop transitions, 6 changer transitions 0/274 dead transitions.
[2024-11-23 23:07:55,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 274 transitions, 746 flow
[2024-11-23 23:07:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:07:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:07:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions.
[2024-11-23 23:07:55,269 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8265582655826558
[2024-11-23 23:07:55,269 INFO L175 Difference]: Start difference. First operand has 232 places, 227 transitions, 480 flow. Second operand 6 states and 1220 transitions.
[2024-11-23 23:07:55,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 274 transitions, 746 flow
[2024-11-23 23:07:55,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 274 transitions, 744 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 23:07:55,276 INFO L231 Difference]: Finished difference. Result has 235 places, 226 transitions, 488 flow
[2024-11-23 23:07:55,276 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=488, PETRI_PLACES=235, PETRI_TRANSITIONS=226}
[2024-11-23 23:07:55,277 INFO L279 CegarLoopForPetriNet]: 231 programPoint places, 4 predicate places.
[2024-11-23 23:07:55,277 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 226 transitions, 488 flow
[2024-11-23 23:07:55,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 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)
[2024-11-23 23:07:55,278 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:55,278 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:55,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 23:07:55,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 23:07:55,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:55,280 INFO L85 PathProgramCache]: Analyzing trace with hash 513068986, now seen corresponding path program 1 times
[2024-11-23 23:07:55,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:55,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161919819]
[2024-11-23 23:07:55,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:55,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:07:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:07:55,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:07:55,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161919819]
[2024-11-23 23:07:55,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161919819] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:07:55,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:07:55,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:07:55,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171169400]
[2024-11-23 23:07:55,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:07:55,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:07:55,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:07:55,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:07:55,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:07:55,414 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 246
[2024-11-23 23:07:55,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 226 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 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)
[2024-11-23 23:07:55,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:07:55,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 246
[2024-11-23 23:07:55,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:07:57,949 INFO L124 PetriNetUnfolderBase]: 3893/14653 cut-off events.
[2024-11-23 23:07:57,949 INFO L125 PetriNetUnfolderBase]: For 238/238 co-relation queries the response was YES.
[2024-11-23 23:07:58,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21204 conditions, 14653 events. 3893/14653 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 164153 event pairs, 1530 based on Foata normal form. 0/13110 useless extension candidates. Maximal degree in co-relation 20044. Up to 3516 conditions per place.
[2024-11-23 23:07:58,076 INFO L140 encePairwiseOnDemand]: 227/246 looper letters, 58 selfloop transitions, 14 changer transitions 0/259 dead transitions.
[2024-11-23 23:07:58,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 259 transitions, 709 flow
[2024-11-23 23:07:58,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:07:58,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:07:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions.
[2024-11-23 23:07:58,080 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8685636856368564
[2024-11-23 23:07:58,080 INFO L175 Difference]: Start difference. First operand has 235 places, 226 transitions, 488 flow. Second operand 3 states and 641 transitions.
[2024-11-23 23:07:58,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 259 transitions, 709 flow
[2024-11-23 23:07:58,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 259 transitions, 697 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:07:58,091 INFO L231 Difference]: Finished difference. Result has 234 places, 240 transitions, 598 flow
[2024-11-23 23:07:58,092 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=234, PETRI_TRANSITIONS=240}
[2024-11-23 23:07:58,094 INFO L279 CegarLoopForPetriNet]: 231 programPoint places, 3 predicate places.
[2024-11-23 23:07:58,094 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 240 transitions, 598 flow
[2024-11-23 23:07:58,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 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)
[2024-11-23 23:07:58,095 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:07:58,095 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:07:58,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 23:07:58,096 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 23:07:58,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:07:58,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2086352475, now seen corresponding path program 1 times
[2024-11-23 23:07:58,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:07:58,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066972628]
[2024-11-23 23:07:58,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:07:58,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:07:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:07:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:07:58,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:07:58,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066972628]
[2024-11-23 23:07:58,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066972628] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:07:58,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:07:58,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:07:58,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266386589]
[2024-11-23 23:07:58,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:07:58,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:07:58,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:07:58,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:07:58,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:07:58,260 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 246
[2024-11-23 23:07:58,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 240 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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)
[2024-11-23 23:07:58,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:07:58,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 246
[2024-11-23 23:07:58,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:08:00,640 INFO L124 PetriNetUnfolderBase]: 4020/16506 cut-off events.
[2024-11-23 23:08:00,640 INFO L125 PetriNetUnfolderBase]: For 4312/4481 co-relation queries the response was YES.
[2024-11-23 23:08:00,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27194 conditions, 16506 events. 4020/16506 cut-off events. For 4312/4481 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 194025 event pairs, 2411 based on Foata normal form. 46/15009 useless extension candidates. Maximal degree in co-relation 13739. Up to 5498 conditions per place.
[2024-11-23 23:08:00,748 INFO L140 encePairwiseOnDemand]: 237/246 looper letters, 52 selfloop transitions, 14 changer transitions 0/264 dead transitions.
[2024-11-23 23:08:00,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 264 transitions, 816 flow
[2024-11-23 23:08:00,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:08:00,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:08:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions.
[2024-11-23 23:08:00,750 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8604336043360433
[2024-11-23 23:08:00,750 INFO L175 Difference]: Start difference. First operand has 234 places, 240 transitions, 598 flow. Second operand 3 states and 635 transitions.
[2024-11-23 23:08:00,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 264 transitions, 816 flow
[2024-11-23 23:08:00,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 264 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:08:00,764 INFO L231 Difference]: Finished difference. Result has 236 places, 252 transitions, 696 flow
[2024-11-23 23:08:00,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=696, PETRI_PLACES=236, PETRI_TRANSITIONS=252}
[2024-11-23 23:08:00,765 INFO L279 CegarLoopForPetriNet]: 231 programPoint places, 5 predicate places.
[2024-11-23 23:08:00,765 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 252 transitions, 696 flow
[2024-11-23 23:08:00,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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)
[2024-11-23 23:08:00,766 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:08:00,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:08:00,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-23 23:08:00,766 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 23:08:00,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:08:00,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1590489291, now seen corresponding path program 1 times
[2024-11-23 23:08:00,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:08:00,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326232693]
[2024-11-23 23:08:00,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:08:00,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:08:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:08:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 23:08:01,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:08:01,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326232693]
[2024-11-23 23:08:01,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326232693] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:08:01,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:08:01,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:08:01,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105074587]
[2024-11-23 23:08:01,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:08:01,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:08:01,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:08:01,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:08:01,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:08:01,088 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 246
[2024-11-23 23:08:01,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 252 transitions, 696 flow. Second operand has 5 states, 5 states have (on average 201.4) internal successors, (1007), 5 states have internal predecessors, (1007), 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)
[2024-11-23 23:08:01,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:08:01,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 246
[2024-11-23 23:08:01,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:08:03,517 INFO L124 PetriNetUnfolderBase]: 3202/18502 cut-off events.
[2024-11-23 23:08:03,518 INFO L125 PetriNetUnfolderBase]: For 1757/2060 co-relation queries the response was YES.
[2024-11-23 23:08:03,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26838 conditions, 18502 events. 3202/18502 cut-off events. For 1757/2060 co-relation queries the response was YES. Maximal size of possible extension queue 494. Compared 239474 event pairs, 1337 based on Foata normal form. 22/16537 useless extension candidates. Maximal degree in co-relation 12138. Up to 3722 conditions per place.
[2024-11-23 23:08:03,826 INFO L140 encePairwiseOnDemand]: 241/246 looper letters, 56 selfloop transitions, 5 changer transitions 0/284 dead transitions.
[2024-11-23 23:08:03,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 284 transitions, 882 flow
[2024-11-23 23:08:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:08:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:08:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1256 transitions.
[2024-11-23 23:08:03,830 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8509485094850948
[2024-11-23 23:08:03,830 INFO L175 Difference]: Start difference. First operand has 236 places, 252 transitions, 696 flow. Second operand 6 states and 1256 transitions.
[2024-11-23 23:08:03,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 284 transitions, 882 flow
[2024-11-23 23:08:03,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 284 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:08:03,844 INFO L231 Difference]: Finished difference. Result has 242 places, 254 transitions, 694 flow
[2024-11-23 23:08:03,844 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=694, PETRI_PLACES=242, PETRI_TRANSITIONS=254}
[2024-11-23 23:08:03,845 INFO L279 CegarLoopForPetriNet]: 231 programPoint places, 11 predicate places.
[2024-11-23 23:08:03,845 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 254 transitions, 694 flow
[2024-11-23 23:08:03,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 201.4) internal successors, (1007), 5 states have internal predecessors, (1007), 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)
[2024-11-23 23:08:03,846 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:08:03,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:08:03,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 23:08:03,847 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 23:08:03,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:08:03,851 INFO L85 PathProgramCache]: Analyzing trace with hash -496545227, now seen corresponding path program 1 times
[2024-11-23 23:08:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:08:03,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256819462]
[2024-11-23 23:08:03,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:08:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:08:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:08:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 23:08:03,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:08:03,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256819462]
[2024-11-23 23:08:03,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256819462] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:08:03,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:08:03,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:08:03,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518983690]
[2024-11-23 23:08:03,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:08:03,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:08:03,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:08:03,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:08:03,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:08:03,977 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 246
[2024-11-23 23:08:03,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 254 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 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)
[2024-11-23 23:08:03,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:08:03,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 246
[2024-11-23 23:08:03,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:08:06,215 INFO L124 PetriNetUnfolderBase]: 4656/19970 cut-off events.
[2024-11-23 23:08:06,216 INFO L125 PetriNetUnfolderBase]: For 5126/5328 co-relation queries the response was YES.
[2024-11-23 23:08:06,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32495 conditions, 19970 events. 4656/19970 cut-off events. For 5126/5328 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 247660 event pairs, 2716 based on Foata normal form. 35/17947 useless extension candidates. Maximal degree in co-relation 32254. Up to 6266 conditions per place.
[2024-11-23 23:08:06,312 INFO L140 encePairwiseOnDemand]: 237/246 looper letters, 59 selfloop transitions, 17 changer transitions 0/278 dead transitions.
[2024-11-23 23:08:06,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 278 transitions, 929 flow
[2024-11-23 23:08:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:08:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:08:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions.
[2024-11-23 23:08:06,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8590785907859079
[2024-11-23 23:08:06,314 INFO L175 Difference]: Start difference. First operand has 242 places, 254 transitions, 694 flow. Second operand 3 states and 634 transitions.
[2024-11-23 23:08:06,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 278 transitions, 929 flow
[2024-11-23 23:08:06,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 278 transitions, 923 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-23 23:08:06,322 INFO L231 Difference]: Finished difference. Result has 244 places, 267 transitions, 842 flow
[2024-11-23 23:08:06,324 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=244, PETRI_TRANSITIONS=267}
[2024-11-23 23:08:06,324 INFO L279 CegarLoopForPetriNet]: 231 programPoint places, 13 predicate places.
[2024-11-23 23:08:06,324 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 267 transitions, 842 flow
[2024-11-23 23:08:06,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 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)
[2024-11-23 23:08:06,325 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:08:06,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:08:06,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 23:08:06,325 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 23:08:06,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:08:06,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1933531502, now seen corresponding path program 1 times
[2024-11-23 23:08:06,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:08:06,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833500481]
[2024-11-23 23:08:06,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:08:06,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:08:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:08:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 23:08:06,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:08:06,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833500481]
[2024-11-23 23:08:06,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833500481] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:08:06,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:08:06,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:08:06,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589885100]
[2024-11-23 23:08:06,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:08:06,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:08:06,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:08:06,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:08:06,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:08:06,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 246
[2024-11-23 23:08:06,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 267 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 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)
[2024-11-23 23:08:06,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:08:06,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 246
[2024-11-23 23:08:06,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:08:09,616 INFO L124 PetriNetUnfolderBase]: 5232/22480 cut-off events.
[2024-11-23 23:08:09,616 INFO L125 PetriNetUnfolderBase]: For 12866/13318 co-relation queries the response was YES.
[2024-11-23 23:08:09,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39688 conditions, 22480 events. 5232/22480 cut-off events. For 12866/13318 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 284477 event pairs, 2910 based on Foata normal form. 60/20243 useless extension candidates. Maximal degree in co-relation 39426. Up to 7048 conditions per place.
[2024-11-23 23:08:09,727 INFO L140 encePairwiseOnDemand]: 237/246 looper letters, 71 selfloop transitions, 17 changer transitions 0/292 dead transitions.
[2024-11-23 23:08:09,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 292 transitions, 1136 flow
[2024-11-23 23:08:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:08:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:08:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions.
[2024-11-23 23:08:09,729 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8604336043360433
[2024-11-23 23:08:09,729 INFO L175 Difference]: Start difference. First operand has 244 places, 267 transitions, 842 flow. Second operand 3 states and 635 transitions.
[2024-11-23 23:08:09,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 292 transitions, 1136 flow
[2024-11-23 23:08:09,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 292 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:08:09,759 INFO L231 Difference]: Finished difference. Result has 246 places, 280 transitions, 984 flow
[2024-11-23 23:08:09,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=984, PETRI_PLACES=246, PETRI_TRANSITIONS=280}
[2024-11-23 23:08:09,760 INFO L279 CegarLoopForPetriNet]: 231 programPoint places, 15 predicate places.
[2024-11-23 23:08:09,760 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 280 transitions, 984 flow
[2024-11-23 23:08:09,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 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)
[2024-11-23 23:08:09,761 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:08:09,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:08:09,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-23 23:08:09,762 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 23:08:09,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:08:09,762 INFO L85 PathProgramCache]: Analyzing trace with hash -608164852, now seen corresponding path program 1 times
[2024-11-23 23:08:09,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:08:09,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864464038]
[2024-11-23 23:08:09,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:08:09,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:08:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:08:09,802 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:08:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:08:09,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:08:09,851 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:08:09,852 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining)
[2024-11-23 23:08:09,852 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining)
[2024-11-23 23:08:09,852 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining)
[2024-11-23 23:08:09,852 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining)
[2024-11-23 23:08:09,852 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining)
[2024-11-23 23:08:09,852 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining)
[2024-11-23 23:08:09,852 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining)
[2024-11-23 23:08:09,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining)
[2024-11-23 23:08:09,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-23 23:08:09,854 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:08:09,854 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 23:08:09,855 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-23 23:08:09,888 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-23 23:08:09,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 295 transitions, 617 flow
[2024-11-23 23:08:10,177 INFO L124 PetriNetUnfolderBase]: 54/573 cut-off events.
[2024-11-23 23:08:10,181 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-11-23 23:08:10,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 598 conditions, 573 events. 54/573 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1974 event pairs, 1 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 400. Up to 16 conditions per place.
[2024-11-23 23:08:10,188 INFO L82 GeneralOperation]: Start removeDead. Operand has 275 places, 295 transitions, 617 flow
[2024-11-23 23:08:10,198 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 275 places, 295 transitions, 617 flow
[2024-11-23 23:08:10,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:08:10,203 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;@46b2b05e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:08:10,203 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2024-11-23 23:08:10,212 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:08:10,213 INFO L124 PetriNetUnfolderBase]: 2/102 cut-off events.
[2024-11-23 23:08:10,213 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:08:10,213 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:08:10,213 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:08:10,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 17 more)] ===
[2024-11-23 23:08:10,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:08:10,217 INFO L85 PathProgramCache]: Analyzing trace with hash 506709934, now seen corresponding path program 1 times
[2024-11-23 23:08:10,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:08:10,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248807165]
[2024-11-23 23:08:10,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:08:10,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:08:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:08:10,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:08:10,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:08:10,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248807165]
[2024-11-23 23:08:10,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248807165] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:08:10,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:08:10,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:08:10,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88946458]
[2024-11-23 23:08:10,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:08:10,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:08:10,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:08:10,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:08:10,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:08:10,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 295
[2024-11-23 23:08:10,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 295 transitions, 617 flow. Second operand has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 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)
[2024-11-23 23:08:10,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:08:10,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 295
[2024-11-23 23:08:10,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:08:15,181 INFO L124 PetriNetUnfolderBase]: 8948/35495 cut-off events.
[2024-11-23 23:08:15,181 INFO L125 PetriNetUnfolderBase]: For 937/937 co-relation queries the response was YES.
[2024-11-23 23:08:15,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48733 conditions, 35495 events. 8948/35495 cut-off events. For 937/937 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 459230 event pairs, 8324 based on Foata normal form. 7648/39748 useless extension candidates. Maximal degree in co-relation 35558. Up to 12802 conditions per place.
[2024-11-23 23:08:15,430 INFO L140 encePairwiseOnDemand]: 268/295 looper letters, 39 selfloop transitions, 2 changer transitions 0/276 dead transitions.
[2024-11-23 23:08:15,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 276 transitions, 661 flow
[2024-11-23 23:08:15,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:08:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:08:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 781 transitions.
[2024-11-23 23:08:15,433 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8824858757062147
[2024-11-23 23:08:15,433 INFO L175 Difference]: Start difference. First operand has 275 places, 295 transitions, 617 flow. Second operand 3 states and 781 transitions.
[2024-11-23 23:08:15,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 276 transitions, 661 flow
[2024-11-23 23:08:15,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 276 transitions, 661 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:08:15,440 INFO L231 Difference]: Finished difference. Result has 276 places, 270 transitions, 577 flow
[2024-11-23 23:08:15,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=276, PETRI_TRANSITIONS=270}
[2024-11-23 23:08:15,441 INFO L279 CegarLoopForPetriNet]: 275 programPoint places, 1 predicate places.
[2024-11-23 23:08:15,441 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 270 transitions, 577 flow
[2024-11-23 23:08:15,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 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)
[2024-11-23 23:08:15,442 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:08:15,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:08:15,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-23 23:08:15,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 17 more)] ===
[2024-11-23 23:08:15,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:08:15,443 INFO L85 PathProgramCache]: Analyzing trace with hash -2019860173, now seen corresponding path program 1 times
[2024-11-23 23:08:15,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:08:15,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807010035]
[2024-11-23 23:08:15,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:08:15,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:08:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:08:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:08:15,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:08:15,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807010035]
[2024-11-23 23:08:15,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807010035] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:08:15,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:08:15,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:08:15,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522635438]
[2024-11-23 23:08:15,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:08:15,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:08:15,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:08:15,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:08:15,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:08:16,147 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 295
[2024-11-23 23:08:16,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 270 transitions, 577 flow. Second operand has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 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)
[2024-11-23 23:08:16,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:08:16,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 295
[2024-11-23 23:08:16,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:08:25,020 INFO L124 PetriNetUnfolderBase]: 19590/65821 cut-off events.
[2024-11-23 23:08:25,020 INFO L125 PetriNetUnfolderBase]: For 1507/1507 co-relation queries the response was YES.
[2024-11-23 23:08:25,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94746 conditions, 65821 events. 19590/65821 cut-off events. For 1507/1507 co-relation queries the response was YES. Maximal size of possible extension queue 1361. Compared 891326 event pairs, 7382 based on Foata normal form. 0/60166 useless extension candidates. Maximal degree in co-relation 89186. Up to 20118 conditions per place.
[2024-11-23 23:08:25,414 INFO L140 encePairwiseOnDemand]: 289/295 looper letters, 112 selfloop transitions, 6 changer transitions 0/341 dead transitions.
[2024-11-23 23:08:25,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 341 transitions, 955 flow
[2024-11-23 23:08:25,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:08:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:08:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1462 transitions.
[2024-11-23 23:08:25,422 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8259887005649718
[2024-11-23 23:08:25,422 INFO L175 Difference]: Start difference. First operand has 276 places, 270 transitions, 577 flow. Second operand 6 states and 1462 transitions.
[2024-11-23 23:08:25,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 341 transitions, 955 flow
[2024-11-23 23:08:25,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 341 transitions, 953 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 23:08:25,433 INFO L231 Difference]: Finished difference. Result has 279 places, 269 transitions, 585 flow
[2024-11-23 23:08:25,433 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=585, PETRI_PLACES=279, PETRI_TRANSITIONS=269}
[2024-11-23 23:08:25,434 INFO L279 CegarLoopForPetriNet]: 275 programPoint places, 4 predicate places.
[2024-11-23 23:08:25,434 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 269 transitions, 585 flow
[2024-11-23 23:08:25,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 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)
[2024-11-23 23:08:25,435 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:08:25,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:08:25,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-23 23:08:25,435 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 17 more)] ===
[2024-11-23 23:08:25,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:08:25,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1782874800, now seen corresponding path program 1 times
[2024-11-23 23:08:25,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:08:25,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69318365]
[2024-11-23 23:08:25,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:08:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:08:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:08:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:08:25,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:08:25,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69318365]
[2024-11-23 23:08:25,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69318365] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:08:25,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:08:25,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:08:25,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100431187]
[2024-11-23 23:08:25,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:08:25,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:08:25,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:08:25,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:08:25,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:08:25,547 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 295
[2024-11-23 23:08:25,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 269 transitions, 585 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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)
[2024-11-23 23:08:25,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:08:25,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 295
[2024-11-23 23:08:25,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand