./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_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_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/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_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/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_918863c4-cbba-471d-8c76-f3975ef07bdd/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 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 22:36:58,518 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-23 22:36:58,606 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-23 22:36:58,612 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 22:36:58,613 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 22:36:58,650 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 22:36:58,652 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 22:36:58,652 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 22:36:58,652 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 22:36:58,653 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 22:36:58,654 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 22:36:58,654 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-23 22:36:58,654 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-23 22:36:58,655 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 22:36:58,655 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-23 22:36:58,655 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-23 22:36:58,655 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-23 22:36:58,656 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-23 22:36:58,656 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-23 22:36:58,656 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 22:36:58,656 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 22:36:58,656 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 22:36:58,656 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-11-23 22:36:58,656 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-23 22:36:58,657 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-23 22:36:58,657 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-23 22:36:58,657 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 22:36:58,657 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-23 22:36:58,657 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 22:36:58,657 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 22:36:58,657 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 22:36:58,657 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:36:58,657 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 22:36:58,658 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 22:36:58,658 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 22:36:58,659 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:36:58,659 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 22:36:58,659 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 22:36:58,659 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-23 22:36:58,659 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 22:36:58,659 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-23 22:36:58,659 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 22:36:58,659 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 22:36:58,659 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 22:36:58,660 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 22:36:58,660 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 22:36:58,660 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_918863c4-cbba-471d-8c76-f3975ef07bdd/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 -> 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9
[2024-11-23 22:36:59,007 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 22:36:59,018 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 22:36:59,023 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 22:36:59,024 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-23 22:36:59,026 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-23 22:36:59,027 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i
[2024-11-23 22:37:02,032 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/data/0a4a82f91/d3574494804a4bb0924a874a6291160b/FLAG8dfb89fa8
[2024-11-23 22:37:02,428 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-23 22:37:02,428 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i
[2024-11-23 22:37:02,441 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/data/0a4a82f91/d3574494804a4bb0924a874a6291160b/FLAG8dfb89fa8
[2024-11-23 22:37:02,609 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/data/0a4a82f91/d3574494804a4bb0924a874a6291160b
[2024-11-23 22:37:02,612 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 22:37:02,617 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 22:37:02,618 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 22:37:02,618 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 22:37:02,623 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 22:37:02,624 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:02" (1/1) ...
[2024-11-23 22:37:02,625 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e745c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:02, skipping insertion in model container
[2024-11-23 22:37:02,625 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:02" (1/1) ...
[2024-11-23 22:37:02,665 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-23 22:37:03,043 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:37:03,061 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-23 22:37:03,108 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:37:03,147 INFO  L204         MainTranslator]: Completed translation
[2024-11-23 22:37:03,147 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03 WrapperNode
[2024-11-23 22:37:03,148 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 22:37:03,149 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 22:37:03,150 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 22:37:03,151 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 22:37:03,157 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,170 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,190 INFO  L138                Inliner]: procedures = 171, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 123
[2024-11-23 22:37:03,191 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 22:37:03,191 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 22:37:03,191 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 22:37:03,191 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 22:37:03,199 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,199 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,203 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,203 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,214 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,215 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,218 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,220 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,222 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,224 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 22:37:03,225 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 22:37:03,225 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 22:37:03,226 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-23 22:37:03,227 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (1/1) ...
[2024-11-23 22:37:03,233 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:37:03,253 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 22:37:03,269 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 22:37:03,273 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 22:37:03,302 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-23 22:37:03,302 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-23 22:37:03,302 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-23 22:37:03,302 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 22:37:03,303 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-23 22:37:03,303 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-23 22:37:03,303 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-23 22:37:03,303 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 22:37:03,303 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 22:37:03,303 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-23 22:37:03,303 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 22:37:03,303 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 22:37:03,304 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 22:37:03,468 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-23 22:37:03,470 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 22:37:03,938 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 22:37:03,940 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-23 22:37:03,994 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 22:37:03,995 INFO  L312             CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-23 22:37:03,999 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:03 BoogieIcfgContainer
[2024-11-23 22:37:03,999 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 22:37:04,001 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 22:37:04,002 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 22:37:04,008 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-23 22:37:04,009 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:37:02" (1/3) ...
[2024-11-23 22:37:04,009 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f41864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:04, skipping insertion in model container
[2024-11-23 22:37:04,009 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:03" (2/3) ...
[2024-11-23 22:37:04,010 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f41864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:04, skipping insertion in model container
[2024-11-23 22:37:04,010 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:03" (3/3) ...
[2024-11-23 22:37:04,011 INFO  L128   eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i
[2024-11-23 22:37:04,024 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 22:37:04,025 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_46-escape_racefree.i that has 2 procedures, 183 locations, 1 initial locations, 4 loop locations, and 5 error locations.
[2024-11-23 22:37:04,025 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 22:37:04,151 INFO  L143    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-23 22:37:04,206 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 186 places, 192 transitions, 391 flow
[2024-11-23 22:37:04,296 INFO  L124   PetriNetUnfolderBase]: 10/191 cut-off events.
[2024-11-23 22:37:04,298 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 22:37:04,305 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 196 conditions, 191 events. 10/191 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 301 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. 
[2024-11-23 22:37:04,306 INFO  L82        GeneralOperation]: Start removeDead. Operand has 186 places, 192 transitions, 391 flow
[2024-11-23 22:37:04,311 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 178 places, 184 transitions, 371 flow
[2024-11-23 22:37:04,320 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:37:04,338 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;@2a0d5d3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:37:04,339 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-23 22:37:04,393 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:37:04,394 INFO  L124   PetriNetUnfolderBase]: 2/127 cut-off events.
[2024-11-23 22:37:04,394 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:37:04,394 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:37:04,395 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]
[2024-11-23 22:37:04,395 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:37:04,402 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:37:04,403 INFO  L85        PathProgramCache]: Analyzing trace with hash 387588093, now seen corresponding path program 1 times
[2024-11-23 22:37:04,411 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:37:04,412 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970906913]
[2024-11-23 22:37:04,412 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:37:04,414 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:37:04,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:37:05,874 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 22:37:05,875 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:37:05,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970906913]
[2024-11-23 22:37:05,876 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970906913] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:37:05,876 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:37:05,876 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:37:05,878 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456339706]
[2024-11-23 22:37:05,879 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:37:05,886 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 22:37:05,891 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:37:05,919 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 22:37:05,919 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 22:37:06,425 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 151 out of 192
[2024-11-23 22:37:06,433 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 184 transitions, 371 flow. Second operand  has 6 states, 6 states have (on average 152.66666666666666) internal successors, (916), 6 states have internal predecessors, (916), 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 22:37:06,433 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:37:06,433 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 192
[2024-11-23 22:37:06,434 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:37:07,037 INFO  L124   PetriNetUnfolderBase]: 202/1047 cut-off events.
[2024-11-23 22:37:07,037 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 22:37:07,041 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1502 conditions, 1047 events. 202/1047 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5982 event pairs, 32 based on Foata normal form. 143/1121 useless extension candidates. Maximal degree in co-relation 1408. Up to 292 conditions per place. 
[2024-11-23 22:37:07,046 INFO  L140   encePairwiseOnDemand]: 168/192 looper letters, 44 selfloop transitions, 37 changer transitions 8/234 dead transitions.
[2024-11-23 22:37:07,046 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 234 transitions, 649 flow
[2024-11-23 22:37:07,048 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-23 22:37:07,050 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 22:37:07,063 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions.
[2024-11-23 22:37:07,067 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8967013888888888
[2024-11-23 22:37:07,069 INFO  L175             Difference]: Start difference. First operand has 178 places, 184 transitions, 371 flow. Second operand 6 states and 1033 transitions.
[2024-11-23 22:37:07,070 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 234 transitions, 649 flow
[2024-11-23 22:37:07,076 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 234 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:37:07,084 INFO  L231             Difference]: Finished difference. Result has 185 places, 208 transitions, 592 flow
[2024-11-23 22:37:07,088 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=592, PETRI_PLACES=185, PETRI_TRANSITIONS=208}
[2024-11-23 22:37:07,092 INFO  L279   CegarLoopForPetriNet]: 178 programPoint places, 7 predicate places.
[2024-11-23 22:37:07,092 INFO  L471      AbstractCegarLoop]: Abstraction has has 185 places, 208 transitions, 592 flow
[2024-11-23 22:37:07,093 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 152.66666666666666) internal successors, (916), 6 states have internal predecessors, (916), 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 22:37:07,093 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:37:07,093 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, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:37:07,093 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 22:37:07,094 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:37:07,095 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:37:07,095 INFO  L85        PathProgramCache]: Analyzing trace with hash 1627144581, now seen corresponding path program 1 times
[2024-11-23 22:37:07,095 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:37:07,095 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197935954]
[2024-11-23 22:37:07,096 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:37:07,096 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:37:07,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:37:07,821 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 22:37:07,822 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:37:07,822 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197935954]
[2024-11-23 22:37:07,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197935954] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:37:07,823 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:37:07,823 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:37:07,823 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810875468]
[2024-11-23 22:37:07,823 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:37:07,825 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 22:37:07,826 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:37:07,827 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 22:37:07,828 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 22:37:08,087 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 146 out of 192
[2024-11-23 22:37:08,089 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 208 transitions, 592 flow. Second operand  has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 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 22:37:08,089 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:37:08,089 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 192
[2024-11-23 22:37:08,089 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:37:08,425 INFO  L124   PetriNetUnfolderBase]: 211/1039 cut-off events.
[2024-11-23 22:37:08,426 INFO  L125   PetriNetUnfolderBase]: For 184/190 co-relation queries the response was YES.
[2024-11-23 22:37:08,429 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 1039 events. 211/1039 cut-off events. For 184/190 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6053 event pairs, 76 based on Foata normal form. 0/997 useless extension candidates. Maximal degree in co-relation 1718. Up to 318 conditions per place. 
[2024-11-23 22:37:08,435 INFO  L140   encePairwiseOnDemand]: 180/192 looper letters, 62 selfloop transitions, 18 changer transitions 0/222 dead transitions.
[2024-11-23 22:37:08,436 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 222 transitions, 780 flow
[2024-11-23 22:37:08,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-23 22:37:08,436 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 22:37:08,438 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 926 transitions.
[2024-11-23 22:37:08,439 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8038194444444444
[2024-11-23 22:37:08,439 INFO  L175             Difference]: Start difference. First operand has 185 places, 208 transitions, 592 flow. Second operand 6 states and 926 transitions.
[2024-11-23 22:37:08,440 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 222 transitions, 780 flow
[2024-11-23 22:37:08,446 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 222 transitions, 780 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 22:37:08,454 INFO  L231             Difference]: Finished difference. Result has 188 places, 206 transitions, 624 flow
[2024-11-23 22:37:08,454 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=624, PETRI_PLACES=188, PETRI_TRANSITIONS=206}
[2024-11-23 22:37:08,455 INFO  L279   CegarLoopForPetriNet]: 178 programPoint places, 10 predicate places.
[2024-11-23 22:37:08,455 INFO  L471      AbstractCegarLoop]: Abstraction has has 188 places, 206 transitions, 624 flow
[2024-11-23 22:37:08,456 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 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 22:37:08,456 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:37:08,457 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]
[2024-11-23 22:37:08,457 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 22:37:08,457 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:37:08,458 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:37:08,460 INFO  L85        PathProgramCache]: Analyzing trace with hash 445248782, now seen corresponding path program 1 times
[2024-11-23 22:37:08,460 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:37:08,460 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724036634]
[2024-11-23 22:37:08,460 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:37:08,460 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:37:08,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:37:09,110 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 22:37:09,111 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:37:09,111 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724036634]
[2024-11-23 22:37:09,111 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724036634] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:37:09,111 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:37:09,111 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:37:09,111 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107624530]
[2024-11-23 22:37:09,112 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:37:09,112 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 22:37:09,112 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:37:09,113 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 22:37:09,113 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 22:37:09,264 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 141 out of 192
[2024-11-23 22:37:09,265 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 206 transitions, 624 flow. Second operand  has 6 states, 6 states have (on average 143.5) internal successors, (861), 6 states have internal predecessors, (861), 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 22:37:09,266 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:37:09,267 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 192
[2024-11-23 22:37:09,267 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:37:09,774 INFO  L124   PetriNetUnfolderBase]: 396/1587 cut-off events.
[2024-11-23 22:37:09,775 INFO  L125   PetriNetUnfolderBase]: For 526/528 co-relation queries the response was YES.
[2024-11-23 22:37:09,782 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3179 conditions, 1587 events. 396/1587 cut-off events. For 526/528 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10063 event pairs, 207 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 3082. Up to 748 conditions per place. 
[2024-11-23 22:37:09,790 INFO  L140   encePairwiseOnDemand]: 181/192 looper letters, 85 selfloop transitions, 32 changer transitions 0/249 dead transitions.
[2024-11-23 22:37:09,791 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 249 transitions, 1014 flow
[2024-11-23 22:37:09,791 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-23 22:37:09,791 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 22:37:09,793 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 923 transitions.
[2024-11-23 22:37:09,798 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8012152777777778
[2024-11-23 22:37:09,798 INFO  L175             Difference]: Start difference. First operand has 188 places, 206 transitions, 624 flow. Second operand 6 states and 923 transitions.
[2024-11-23 22:37:09,798 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 249 transitions, 1014 flow
[2024-11-23 22:37:09,811 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 249 transitions, 978 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 22:37:09,818 INFO  L231             Difference]: Finished difference. Result has 193 places, 233 transitions, 872 flow
[2024-11-23 22:37:09,819 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=872, PETRI_PLACES=193, PETRI_TRANSITIONS=233}
[2024-11-23 22:37:09,820 INFO  L279   CegarLoopForPetriNet]: 178 programPoint places, 15 predicate places.
[2024-11-23 22:37:09,820 INFO  L471      AbstractCegarLoop]: Abstraction has has 193 places, 233 transitions, 872 flow
[2024-11-23 22:37:09,821 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 143.5) internal successors, (861), 6 states have internal predecessors, (861), 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 22:37:09,821 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:37:09,821 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]
[2024-11-23 22:37:09,821 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 22:37:09,822 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:37:09,823 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:37:09,823 INFO  L85        PathProgramCache]: Analyzing trace with hash 725907341, now seen corresponding path program 1 times
[2024-11-23 22:37:09,824 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:37:09,824 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411424423]
[2024-11-23 22:37:09,824 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:37:09,824 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:37:09,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:37:10,190 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 22:37:10,192 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:37:10,192 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411424423]
[2024-11-23 22:37:10,192 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411424423] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:37:10,192 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:37:10,193 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 22:37:10,193 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352846134]
[2024-11-23 22:37:10,193 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:37:10,193 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 22:37:10,194 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:37:10,194 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 22:37:10,194 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-23 22:37:10,272 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 167 out of 192
[2024-11-23 22:37:10,274 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 233 transitions, 872 flow. Second operand  has 6 states, 6 states have (on average 168.16666666666666) internal successors, (1009), 6 states have internal predecessors, (1009), 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 22:37:10,274 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:37:10,274 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 192
[2024-11-23 22:37:10,274 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:37:10,370 INFO  L124   PetriNetUnfolderBase]: 0/246 cut-off events.
[2024-11-23 22:37:10,370 INFO  L125   PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-11-23 22:37:10,371 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 348 conditions, 246 events. 0/246 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 185 event pairs, 0 based on Foata normal form. 8/250 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. 
[2024-11-23 22:37:10,371 INFO  L140   encePairwiseOnDemand]: 186/192 looper letters, 6 selfloop transitions, 5 changer transitions 15/169 dead transitions.
[2024-11-23 22:37:10,372 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 169 transitions, 438 flow
[2024-11-23 22:37:10,372 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-23 22:37:10,372 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:37:10,374 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 850 transitions.
[2024-11-23 22:37:10,374 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8854166666666666
[2024-11-23 22:37:10,375 INFO  L175             Difference]: Start difference. First operand has 193 places, 233 transitions, 872 flow. Second operand 5 states and 850 transitions.
[2024-11-23 22:37:10,375 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 169 transitions, 438 flow
[2024-11-23 22:37:10,380 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 169 transitions, 374 flow, removed 13 selfloop flow, removed 17 redundant places.
[2024-11-23 22:37:10,382 INFO  L231             Difference]: Finished difference. Result has 178 places, 154 transitions, 328 flow
[2024-11-23 22:37:10,382 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=328, PETRI_PLACES=178, PETRI_TRANSITIONS=154}
[2024-11-23 22:37:10,384 INFO  L279   CegarLoopForPetriNet]: 178 programPoint places, 0 predicate places.
[2024-11-23 22:37:10,384 INFO  L471      AbstractCegarLoop]: Abstraction has has 178 places, 154 transitions, 328 flow
[2024-11-23 22:37:10,385 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 168.16666666666666) internal successors, (1009), 6 states have internal predecessors, (1009), 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 22:37:10,385 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:37:10,385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:37:10,386 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 22:37:10,386 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:37:10,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:37:10,388 INFO  L85        PathProgramCache]: Analyzing trace with hash -1373240564, now seen corresponding path program 1 times
[2024-11-23 22:37:10,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:37:10,388 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977881205]
[2024-11-23 22:37:10,388 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:37:10,388 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:37:10,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:37:11,027 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 22:37:11,029 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:37:11,029 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977881205]
[2024-11-23 22:37:11,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977881205] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:37:11,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:37:11,030 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:37:11,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427350026]
[2024-11-23 22:37:11,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:37:11,031 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 22:37:11,031 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:37:11,031 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 22:37:11,032 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 22:37:11,247 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 141 out of 192
[2024-11-23 22:37:11,249 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 154 transitions, 328 flow. Second operand  has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 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 22:37:11,249 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:37:11,249 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 192
[2024-11-23 22:37:11,249 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:37:11,312 INFO  L124   PetriNetUnfolderBase]: 8/219 cut-off events.
[2024-11-23 22:37:11,313 INFO  L125   PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES.
[2024-11-23 22:37:11,313 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 313 conditions, 219 events. 8/219 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 188 event pairs, 8 based on Foata normal form. 2/219 useless extension candidates. Maximal degree in co-relation 218. Up to 67 conditions per place. 
[2024-11-23 22:37:11,313 INFO  L140   encePairwiseOnDemand]: 187/192 looper letters, 0 selfloop transitions, 0 changer transitions 153/153 dead transitions.
[2024-11-23 22:37:11,314 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 153 transitions, 396 flow
[2024-11-23 22:37:11,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-23 22:37:11,314 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 22:37:11,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 881 transitions.
[2024-11-23 22:37:11,318 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.7647569444444444
[2024-11-23 22:37:11,318 INFO  L175             Difference]: Start difference. First operand has 178 places, 154 transitions, 328 flow. Second operand 6 states and 881 transitions.
[2024-11-23 22:37:11,318 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 153 transitions, 396 flow
[2024-11-23 22:37:11,320 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 153 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-23 22:37:11,321 INFO  L231             Difference]: Finished difference. Result has 163 places, 0 transitions, 0 flow
[2024-11-23 22:37:11,322 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=163, PETRI_TRANSITIONS=0}
[2024-11-23 22:37:11,322 INFO  L279   CegarLoopForPetriNet]: 178 programPoint places, -15 predicate places.
[2024-11-23 22:37:11,324 INFO  L471      AbstractCegarLoop]: Abstraction has has 163 places, 0 transitions, 0 flow
[2024-11-23 22:37:11,324 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 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 22:37:11,327 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining)
[2024-11-23 22:37:11,327 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining)
[2024-11-23 22:37:11,330 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining)
[2024-11-23 22:37:11,330 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining)
[2024-11-23 22:37:11,331 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining)
[2024-11-23 22:37:11,331 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining)
[2024-11-23 22:37:11,331 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining)
[2024-11-23 22:37:11,331 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining)
[2024-11-23 22:37:11,331 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining)
[2024-11-23 22:37:11,331 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining)
[2024-11-23 22:37:11,331 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 22:37:11,332 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-23 22:37:11,340 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 22:37:11,340 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 22:37:11,349 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:37:11 BasicIcfg
[2024-11-23 22:37:11,351 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 22:37:11,352 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 22:37:11,353 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-23 22:37:11,353 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-23 22:37:11,354 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:03" (3/4) ...
[2024-11-23 22:37:11,355 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-11-23 22:37:11,358 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2024-11-23 22:37:11,362 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-11-23 22:37:11,362 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 22:37:11,363 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-23 22:37:11,363 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 22:37:11,452 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 22:37:11,452 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 22:37:11,452 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 22:37:11,453 INFO  L158              Benchmark]: Toolchain (without parser) took 8840.07ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 91.3MB in the beginning and 81.9MB in the end (delta: 9.4MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB.
[2024-11-23 22:37:11,454 INFO  L158              Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:37:11,455 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 529.84ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 70.3MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 22:37:11,455 INFO  L158              Benchmark]: Boogie Procedure Inliner took 42.08ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 68.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:37:11,456 INFO  L158              Benchmark]: Boogie Preprocessor took 33.57ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 66.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:37:11,457 INFO  L158              Benchmark]: RCFGBuilder took 773.76ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 45.2MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 22:37:11,457 INFO  L158              Benchmark]: TraceAbstraction took 7349.69ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 44.7MB in the beginning and 86.6MB in the end (delta: -41.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB.
[2024-11-23 22:37:11,460 INFO  L158              Benchmark]: Witness Printer took 100.51ms. Allocated memory is still 176.2MB. Free memory was 86.6MB in the beginning and 81.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:37:11,462 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 529.84ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 70.3MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 42.08ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 68.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 33.57ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 66.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 773.76ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 45.2MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 7349.69ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 44.7MB in the beginning and 86.6MB in the end (delta: -41.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB.
 * Witness Printer took 100.51ms. Allocated memory is still 176.2MB. Free memory was 86.6MB in the beginning and 81.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 711]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 702]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 702]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 702]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 702]: there are no data races
    For all program executions holds that there are no data races at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 243 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1181 IncrementalHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 2 mSDtfsCounter, 1181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=872occurred in iteration=3, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 548 NumberOfCodeBlocks, 548 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 543 ConstructedInterpolants, 0 QuantifiedInterpolants, 1155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    5 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-23 22:37:11,484 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918863c4-cbba-471d-8c76-f3975ef07bdd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE