./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.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_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/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_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/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_d51ec86c-bd1c-4573-a1b9-f627b423710a/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 f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:00:19,239 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:00:19,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-24 00:00:19,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:00:19,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:00:19,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:00:19,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:00:19,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:00:19,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:00:19,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:00:19,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:00:19,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:00:19,375 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:00:19,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:00:19,376 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-24 00:00:19,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:00:19,377 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:00:19,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:00:19,377 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:00:19,377 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:00:19,377 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:00:19,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:00:19,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:00:19,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:00:19,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:00:19,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:00:19,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:00:19,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:00:19,379 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:00:19,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:00:19,379 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_d51ec86c-bd1c-4573-a1b9-f627b423710a/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 -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af
[2024-11-24 00:00:19,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:00:19,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:00:19,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:00:19,705 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:00:19,706 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:00:19,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i
[2024-11-24 00:00:22,632 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/data/0cf2b9993/7602e887ff884a8aabe7af523957c4dd/FLAG77e793ed4
[2024-11-24 00:00:23,042 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:00:23,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i
[2024-11-24 00:00:23,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/data/0cf2b9993/7602e887ff884a8aabe7af523957c4dd/FLAG77e793ed4
[2024-11-24 00:00:23,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/data/0cf2b9993/7602e887ff884a8aabe7af523957c4dd
[2024-11-24 00:00:23,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:00:23,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:00:23,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:00:23,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:00:23,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:00:23,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:23,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c79c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23, skipping insertion in model container
[2024-11-24 00:00:23,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:23,160 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:00:23,748 WARN L1675 CHandler]: Possible shadowing of function new
[2024-11-24 00:00:23,749 WARN L1675 CHandler]: Possible shadowing of function new
[2024-11-24 00:00:23,751 WARN L1675 CHandler]: Possible shadowing of function new
[2024-11-24 00:00:23,752 WARN L1675 CHandler]: Possible shadowing of function new
[2024-11-24 00:00:23,804 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:00:23,836 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:00:23,881 WARN L1675 CHandler]: Possible shadowing of function new
[2024-11-24 00:00:23,882 WARN L1675 CHandler]: Possible shadowing of function new
[2024-11-24 00:00:23,883 WARN L1675 CHandler]: Possible shadowing of function new
[2024-11-24 00:00:23,884 WARN L1675 CHandler]: Possible shadowing of function new
[2024-11-24 00:00:23,918 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:00:23,983 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:00:23,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23 WrapperNode
[2024-11-24 00:00:23,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:00:23,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:00:23,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:00:23,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:00:23,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,058 INFO L138 Inliner]: procedures = 280, calls = 143, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 546
[2024-11-24 00:00:24,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:00:24,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:00:24,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:00:24,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:00:24,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:00:24,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:00:24,129 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:00:24,129 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:00:24,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (1/1) ...
[2024-11-24 00:00:24,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:00:24,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:00:24,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:00:24,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ec86c-bd1c-4573-a1b9-f627b423710a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-24 00:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-11-24 00:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun
[2024-11-24 00:00:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun
[2024-11-24 00:00:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 00:00:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-11-24 00:00:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-24 00:00:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-24 00:00:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun
[2024-11-24 00:00:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun
[2024-11-24 00:00:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-24 00:00:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-24 00:00:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-24 00:00:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:00:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-11-24 00:00:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-24 00:00:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:00:24,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:00:24,210 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 00:00:24,432 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:00:24,436 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:00:25,644 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 00:00:25,645 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:00:25,708 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:00:25,712 INFO L312 CfgBuilder]: Removed 20 assume(true) statements.
[2024-11-24 00:00:25,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:00:25 BoogieIcfgContainer
[2024-11-24 00:00:25,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:00:25,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:00:25,715 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:00:25,722 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:00:25,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:00:23" (1/3) ...
[2024-11-24 00:00:25,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe3231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:00:25, skipping insertion in model container
[2024-11-24 00:00:25,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:23" (2/3) ...
[2024-11-24 00:00:25,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe3231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:00:25, skipping insertion in model container
[2024-11-24 00:00:25,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:00:25" (3/3) ...
[2024-11-24 00:00:25,725 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i
[2024-11-24 00:00:25,744 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:00:25,746 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_90-arrayloop2_racing.i that has 3 procedures, 546 locations, 1 initial locations, 20 loop locations, and 28 error locations.
[2024-11-24 00:00:25,746 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 00:00:25,986 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-24 00:00:26,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 552 places, 595 transitions, 1210 flow
[2024-11-24 00:00:26,514 INFO L124 PetriNetUnfolderBase]: 80/914 cut-off events.
[2024-11-24 00:00:26,517 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-24 00:00:26,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 914 events. 80/914 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4252 event pairs, 0 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 504. Up to 8 conditions per place.
[2024-11-24 00:00:26,545 INFO L82 GeneralOperation]: Start removeDead. Operand has 552 places, 595 transitions, 1210 flow
[2024-11-24 00:00:26,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 552 places, 595 transitions, 1210 flow
[2024-11-24 00:00:26,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:00:26,599 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;@2d3a3074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:00:26,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations.
[2024-11-24 00:00:26,633 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 00:00:26,633 INFO L124 PetriNetUnfolderBase]: 4/125 cut-off events.
[2024-11-24 00:00:26,633 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:00:26,633 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:00:26,634 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]
[2024-11-24 00:00:26,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 40 more)] ===
[2024-11-24 00:00:26,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:00:26,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1501402786, now seen corresponding path program 1 times
[2024-11-24 00:00:26,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:00:26,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065303282]
[2024-11-24 00:00:26,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:00:26,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:00:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:00:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:00:28,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:00:28,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065303282]
[2024-11-24 00:00:28,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065303282] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:00:28,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:00:28,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:00:28,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954254029]
[2024-11-24 00:00:28,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:00:28,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:00:28,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:00:28,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:00:28,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:00:29,360 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 595
[2024-11-24 00:00:29,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 595 transitions, 1210 flow. Second operand has 6 states, 6 states have (on average 418.3333333333333) internal successors, (2510), 6 states have internal predecessors, (2510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:00:29,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:00:29,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 595
[2024-11-24 00:00:29,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:00:45,663 INFO L124 PetriNetUnfolderBase]: 39310/100224 cut-off events.
[2024-11-24 00:00:45,663 INFO L125 PetriNetUnfolderBase]: For 1126/1315 co-relation queries the response was YES.
[2024-11-24 00:00:45,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158367 conditions, 100224 events. 39310/100224 cut-off events. For 1126/1315 co-relation queries the response was YES. Maximal size of possible extension queue 2044. Compared 1250484 event pairs, 34452 based on Foata normal form. 18828/110371 useless extension candidates. Maximal degree in co-relation 154171. Up to 57748 conditions per place.
[2024-11-24 00:00:46,219 INFO L140 encePairwiseOnDemand]: 547/595 looper letters, 128 selfloop transitions, 10 changer transitions 0/553 dead transitions.
[2024-11-24 00:00:46,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 553 transitions, 1402 flow
[2024-11-24 00:00:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:00:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:00:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2678 transitions.
[2024-11-24 00:00:46,247 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.750140056022409
[2024-11-24 00:00:46,251 INFO L175 Difference]: Start difference. First operand has 552 places, 595 transitions, 1210 flow. Second operand 6 states and 2678 transitions.
[2024-11-24 00:00:46,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 553 transitions, 1402 flow
[2024-11-24 00:00:46,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 553 transitions, 1402 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 00:00:46,284 INFO L231 Difference]: Finished difference. Result has 551 places, 553 transitions, 1146 flow
[2024-11-24 00:00:46,287 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1146, PETRI_PLACES=551, PETRI_TRANSITIONS=553}
[2024-11-24 00:00:46,291 INFO L279 CegarLoopForPetriNet]: 552 programPoint places, -1 predicate places.
[2024-11-24 00:00:46,293 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 553 transitions, 1146 flow
[2024-11-24 00:00:46,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.3333333333333) internal successors, (2510), 6 states have internal predecessors, (2510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:00:46,295 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:00:46,296 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]
[2024-11-24 00:00:46,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 00:00:46,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 40 more)] ===
[2024-11-24 00:00:46,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:00:46,298 INFO L85 PathProgramCache]: Analyzing trace with hash 259997869, now seen corresponding path program 1 times
[2024-11-24 00:00:46,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:00:46,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579099928]
[2024-11-24 00:00:46,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:00:46,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:00:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:00:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:00:46,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:00:46,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579099928]
[2024-11-24 00:00:46,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579099928] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:00:46,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:00:46,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:00:46,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468109254]
[2024-11-24 00:00:46,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:00:46,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:00:46,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:00:46,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:00:46,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:00:46,502 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 595
[2024-11-24 00:00:46,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 553 transitions, 1146 flow. Second operand has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:00:46,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:00:46,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 595
[2024-11-24 00:00:46,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:00:47,579 INFO L124 PetriNetUnfolderBase]: 390/4229 cut-off events.
[2024-11-24 00:00:47,579 INFO L125 PetriNetUnfolderBase]: For 186/187 co-relation queries the response was YES.
[2024-11-24 00:00:47,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4901 conditions, 4229 events. 390/4229 cut-off events. For 186/187 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 38600 event pairs, 264 based on Foata normal form. 1/3839 useless extension candidates. Maximal degree in co-relation 4576. Up to 567 conditions per place.
[2024-11-24 00:00:47,623 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 27 selfloop transitions, 2 changer transitions 0/554 dead transitions.
[2024-11-24 00:00:47,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 554 transitions, 1206 flow
[2024-11-24 00:00:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:00:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:00:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions.
[2024-11-24 00:00:47,627 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9058823529411765
[2024-11-24 00:00:47,631 INFO L175 Difference]: Start difference. First operand has 551 places, 553 transitions, 1146 flow. Second operand 3 states and 1617 transitions.
[2024-11-24 00:00:47,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 554 transitions, 1206 flow
[2024-11-24 00:00:47,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 554 transitions, 1186 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 00:00:47,645 INFO L231 Difference]: Finished difference. Result has 549 places, 554 transitions, 1138 flow
[2024-11-24 00:00:47,646 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1138, PETRI_PLACES=549, PETRI_TRANSITIONS=554}
[2024-11-24 00:00:47,648 INFO L279 CegarLoopForPetriNet]: 552 programPoint places, -3 predicate places.
[2024-11-24 00:00:47,650 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 554 transitions, 1138 flow
[2024-11-24 00:00:47,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:00:47,651 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:00:47,652 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]
[2024-11-24 00:00:47,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:00:47,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 40 more)] ===
[2024-11-24 00:00:47,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:00:47,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1474506300, now seen corresponding path program 1 times
[2024-11-24 00:00:47,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:00:47,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72691148]
[2024-11-24 00:00:47,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:00:47,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:00:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:00:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:00:48,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:00:48,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72691148]
[2024-11-24 00:00:48,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72691148] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:00:48,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:00:48,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:00:48,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593180276]
[2024-11-24 00:00:48,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:00:48,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:00:48,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:00:48,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:00:48,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:00:49,370 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 595
[2024-11-24 00:00:49,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 554 transitions, 1138 flow. Second operand has 6 states, 6 states have (on average 418.3333333333333) internal successors, (2510), 6 states have internal predecessors, (2510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:00:49,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:00:49,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 595
[2024-11-24 00:00:49,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:01:05,507 INFO L124 PetriNetUnfolderBase]: 39311/100346 cut-off events.
[2024-11-24 00:01:05,507 INFO L125 PetriNetUnfolderBase]: For 1040/1229 co-relation queries the response was YES.
[2024-11-24 00:01:05,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158540 conditions, 100346 events. 39311/100346 cut-off events. For 1040/1229 co-relation queries the response was YES. Maximal size of possible extension queue 2044. Compared 1251745 event pairs, 34452 based on Foata normal form. 0/91661 useless extension candidates. Maximal degree in co-relation 158273. Up to 57782 conditions per place.
[2024-11-24 00:01:06,033 INFO L140 encePairwiseOnDemand]: 583/595 looper letters, 128 selfloop transitions, 10 changer transitions 0/552 dead transitions.
[2024-11-24 00:01:06,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 552 transitions, 1410 flow
[2024-11-24 00:01:06,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:01:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:01:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2642 transitions.
[2024-11-24 00:01:06,040 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7400560224089636
[2024-11-24 00:01:06,040 INFO L175 Difference]: Start difference. First operand has 549 places, 554 transitions, 1138 flow. Second operand 6 states and 2642 transitions.
[2024-11-24 00:01:06,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 552 transitions, 1410 flow
[2024-11-24 00:01:06,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 552 transitions, 1408 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:01:06,055 INFO L231 Difference]: Finished difference. Result has 551 places, 552 transitions, 1152 flow
[2024-11-24 00:01:06,056 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1152, PETRI_PLACES=551, PETRI_TRANSITIONS=552}
[2024-11-24 00:01:06,057 INFO L279 CegarLoopForPetriNet]: 552 programPoint places, -1 predicate places.
[2024-11-24 00:01:06,057 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 552 transitions, 1152 flow
[2024-11-24 00:01:06,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.3333333333333) internal successors, (2510), 6 states have internal predecessors, (2510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:01:06,059 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:01:06,059 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]
[2024-11-24 00:01:06,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:01:06,060 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 40 more)] ===
[2024-11-24 00:01:06,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:01:06,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1223266206, now seen corresponding path program 1 times
[2024-11-24 00:01:06,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:01:06,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638210219]
[2024-11-24 00:01:06,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:01:06,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:01:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:01:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:01:07,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:01:07,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638210219]
[2024-11-24 00:01:07,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638210219] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:01:07,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:01:07,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:01:07,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961766670]
[2024-11-24 00:01:07,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:01:07,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:01:07,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:01:07,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:01:07,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:01:07,868 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 595
[2024-11-24 00:01:07,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 552 transitions, 1152 flow. Second operand has 6 states, 6 states have (on average 418.6666666666667) internal successors, (2512), 6 states have internal predecessors, (2512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:01:07,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:01:07,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 595
[2024-11-24 00:01:07,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand