./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --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_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/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_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/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_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/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 b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:52:23,438 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:52:23,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-24 00:52:23,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:52:23,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:52:23,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:52:23,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:52:23,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:52:23,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:52:23,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:52:23,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:52:23,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:52:23,595 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:52:23,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:52:23,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:52:23,596 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:52:23,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:52:23,597 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:52:23,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:52:23,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:52:23,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:52:23,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:52:23,597 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-24 00:52:23,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:52:23,598 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:52:23,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:52:23,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:52:23,598 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:52:23,598 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:52:23,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:52:23,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:52:23,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:52:23,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:52:23,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:52:23,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:52:23,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:52:23,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:52:23,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:52:23,600 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:52:23,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:52:23,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:52:23,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:52:23,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:52:23,601 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:52:23,601 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:52:23,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:52:23,601 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_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/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 -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a
[2024-11-24 00:52:23,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:52:23,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:52:23,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:52:23,965 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:52:23,966 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:52:23,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c
[2024-11-24 00:52:27,008 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/data/28e98c210/89ede5bff59640dcbdba80012dac1acb/FLAG068d33215
[2024-11-24 00:52:27,311 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:52:27,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c
[2024-11-24 00:52:27,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/data/28e98c210/89ede5bff59640dcbdba80012dac1acb/FLAG068d33215
[2024-11-24 00:52:27,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/data/28e98c210/89ede5bff59640dcbdba80012dac1acb
[2024-11-24 00:52:27,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:52:27,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:52:27,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:52:27,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:52:27,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:52:27,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367b5bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27, skipping insertion in model container
[2024-11-24 00:52:27,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,392 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:52:27,598 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:52:27,608 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:52:27,642 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:52:27,665 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:52:27,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27 WrapperNode
[2024-11-24 00:52:27,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:52:27,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:52:27,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:52:27,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:52:27,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,717 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 273
[2024-11-24 00:52:27,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:52:27,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:52:27,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:52:27,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:52:27,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,750 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:52:27,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:52:27,763 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:52:27,764 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:52:27,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (1/1) ...
[2024-11-24 00:52:27,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:52:27,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:52:27,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:52:27,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:52:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:52:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-24 00:52:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-24 00:52:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-24 00:52:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-24 00:52:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-24 00:52:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-24 00:52:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-24 00:52:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:52:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:52:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-24 00:52:27,842 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 00:52:27,964 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:52:27,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:52:28,871 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 00:52:28,871 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:52:28,905 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:52:28,909 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-24 00:52:28,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:52:28 BoogieIcfgContainer
[2024-11-24 00:52:28,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:52:28,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:52:28,913 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:52:28,920 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:52:28,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:52:27" (1/3) ...
[2024-11-24 00:52:28,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f35fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:52:28, skipping insertion in model container
[2024-11-24 00:52:28,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:27" (2/3) ...
[2024-11-24 00:52:28,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f35fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:52:28, skipping insertion in model container
[2024-11-24 00:52:28,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:52:28" (3/3) ...
[2024-11-24 00:52:28,923 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c
[2024-11-24 00:52:28,940 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:52:28,942 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-opt-symm.wvr.c that has 3 procedures, 328 locations, 1 initial locations, 4 loop locations, and 30 error locations.
[2024-11-24 00:52:28,942 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 00:52:29,160 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-24 00:52:29,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 346 transitions, 706 flow
[2024-11-24 00:52:29,458 INFO L124 PetriNetUnfolderBase]: 19/344 cut-off events.
[2024-11-24 00:52:29,460 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-24 00:52:29,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 344 events. 19/344 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 657 event pairs, 0 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 236. Up to 3 conditions per place.
[2024-11-24 00:52:29,476 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 346 transitions, 706 flow
[2024-11-24 00:52:29,488 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 316 places, 327 transitions, 666 flow
[2024-11-24 00:52:29,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:52:29,520 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;@750ddcb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:52:29,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations.
[2024-11-24 00:52:29,538 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 00:52:29,538 INFO L124 PetriNetUnfolderBase]: 3/59 cut-off events.
[2024-11-24 00:52:29,538 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:52:29,539 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:29,539 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]
[2024-11-24 00:52:29,540 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:29,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:29,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1716465846, now seen corresponding path program 1 times
[2024-11-24 00:52:29,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:29,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280886443]
[2024-11-24 00:52:29,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:29,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:29,831 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 00:52:29,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:29,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280886443]
[2024-11-24 00:52:29,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280886443] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:29,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:29,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:29,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261787941]
[2024-11-24 00:52:29,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:29,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:29,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:29,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:29,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:29,996 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 346
[2024-11-24 00:52:30,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 327 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 00:52:30,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:30,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 346
[2024-11-24 00:52:30,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:30,202 INFO L124 PetriNetUnfolderBase]: 22/494 cut-off events.
[2024-11-24 00:52:30,202 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES.
[2024-11-24 00:52:30,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 494 events. 22/494 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1551 event pairs, 8 based on Foata normal form. 20/439 useless extension candidates. Maximal degree in co-relation 367. Up to 28 conditions per place.
[2024-11-24 00:52:30,211 INFO L140 encePairwiseOnDemand]: 333/346 looper letters, 11 selfloop transitions, 2 changer transitions 4/316 dead transitions.
[2024-11-24 00:52:30,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 316 transitions, 670 flow
[2024-11-24 00:52:30,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions.
[2024-11-24 00:52:30,238 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9450867052023122
[2024-11-24 00:52:30,242 INFO L175 Difference]: Start difference. First operand has 316 places, 327 transitions, 666 flow. Second operand 3 states and 981 transitions.
[2024-11-24 00:52:30,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 316 transitions, 670 flow
[2024-11-24 00:52:30,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 316 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-24 00:52:30,262 INFO L231 Difference]: Finished difference. Result has 313 places, 312 transitions, 632 flow
[2024-11-24 00:52:30,267 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=313, PETRI_TRANSITIONS=312}
[2024-11-24 00:52:30,272 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -3 predicate places.
[2024-11-24 00:52:30,275 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 312 transitions, 632 flow
[2024-11-24 00:52:30,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 00:52:30,277 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:30,277 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]
[2024-11-24 00:52:30,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 00:52:30,278 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:30,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:30,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1685709336, now seen corresponding path program 1 times
[2024-11-24 00:52:30,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:30,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624948568]
[2024-11-24 00:52:30,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:30,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:31,184 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 00:52:31,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:31,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624948568]
[2024-11-24 00:52:31,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624948568] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:31,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:31,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:52:31,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646172090]
[2024-11-24 00:52:31,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:31,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:52:31,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:31,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:52:31,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:52:31,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 346
[2024-11-24 00:52:31,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 312 transitions, 632 flow. Second operand has 6 states, 6 states have (on average 271.5) internal successors, (1629), 6 states have internal predecessors, (1629), 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 00:52:31,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:31,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 346
[2024-11-24 00:52:31,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:32,477 INFO L124 PetriNetUnfolderBase]: 424/2290 cut-off events.
[2024-11-24 00:52:32,478 INFO L125 PetriNetUnfolderBase]: For 46/47 co-relation queries the response was YES.
[2024-11-24 00:52:32,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3031 conditions, 2290 events. 424/2290 cut-off events. For 46/47 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 16123 event pairs, 288 based on Foata normal form. 0/1897 useless extension candidates. Maximal degree in co-relation 2950. Up to 709 conditions per place.
[2024-11-24 00:52:32,504 INFO L140 encePairwiseOnDemand]: 334/346 looper letters, 52 selfloop transitions, 10 changer transitions 0/310 dead transitions.
[2024-11-24 00:52:32,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 752 flow
[2024-11-24 00:52:32,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:52:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:52:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions.
[2024-11-24 00:52:32,515 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8111753371868978
[2024-11-24 00:52:32,515 INFO L175 Difference]: Start difference. First operand has 313 places, 312 transitions, 632 flow. Second operand 6 states and 1684 transitions.
[2024-11-24 00:52:32,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 752 flow
[2024-11-24 00:52:32,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 310 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:52:32,527 INFO L231 Difference]: Finished difference. Result has 310 places, 310 transitions, 644 flow
[2024-11-24 00:52:32,528 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=644, PETRI_PLACES=310, PETRI_TRANSITIONS=310}
[2024-11-24 00:52:32,529 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -6 predicate places.
[2024-11-24 00:52:32,529 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 310 transitions, 644 flow
[2024-11-24 00:52:32,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.5) internal successors, (1629), 6 states have internal predecessors, (1629), 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 00:52:32,531 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:32,531 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]
[2024-11-24 00:52:32,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:52:32,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:32,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:32,534 INFO L85 PathProgramCache]: Analyzing trace with hash 544637864, now seen corresponding path program 1 times
[2024-11-24 00:52:32,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:32,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370581614]
[2024-11-24 00:52:32,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:32,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:32,649 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 00:52:32,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:32,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370581614]
[2024-11-24 00:52:32,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370581614] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:32,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:32,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:32,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447026556]
[2024-11-24 00:52:32,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:32,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:32,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:32,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:32,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:32,700 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 346
[2024-11-24 00:52:32,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 310 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 00:52:32,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:32,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 346
[2024-11-24 00:52:32,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:32,790 INFO L124 PetriNetUnfolderBase]: 22/487 cut-off events.
[2024-11-24 00:52:32,791 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES.
[2024-11-24 00:52:32,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 487 events. 22/487 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1449 event pairs, 8 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 500. Up to 28 conditions per place.
[2024-11-24 00:52:32,796 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 11 selfloop transitions, 2 changer transitions 0/309 dead transitions.
[2024-11-24 00:52:32,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 309 transitions, 668 flow
[2024-11-24 00:52:32,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions.
[2024-11-24 00:52:32,800 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354527938342967
[2024-11-24 00:52:32,800 INFO L175 Difference]: Start difference. First operand has 310 places, 310 transitions, 644 flow. Second operand 3 states and 971 transitions.
[2024-11-24 00:52:32,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 309 transitions, 668 flow
[2024-11-24 00:52:32,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 309 transitions, 648 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 00:52:32,806 INFO L231 Difference]: Finished difference. Result has 306 places, 309 transitions, 626 flow
[2024-11-24 00:52:32,807 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=309}
[2024-11-24 00:52:32,808 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -10 predicate places.
[2024-11-24 00:52:32,809 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 309 transitions, 626 flow
[2024-11-24 00:52:32,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 00:52:32,810 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:32,811 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]
[2024-11-24 00:52:32,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:52:32,811 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:32,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:32,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1845796304, now seen corresponding path program 1 times
[2024-11-24 00:52:32,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:32,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735219031]
[2024-11-24 00:52:32,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:32,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:32,905 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 00:52:32,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:32,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735219031]
[2024-11-24 00:52:32,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735219031] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:32,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:32,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:32,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107873697]
[2024-11-24 00:52:32,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:32,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:32,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:32,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:32,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:32,942 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 346
[2024-11-24 00:52:32,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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 00:52:32,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:32,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 346
[2024-11-24 00:52:32,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:33,031 INFO L124 PetriNetUnfolderBase]: 17/468 cut-off events.
[2024-11-24 00:52:33,031 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-24 00:52:33,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 468 events. 17/468 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1428 event pairs, 3 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 377. Up to 16 conditions per place.
[2024-11-24 00:52:33,036 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 9 selfloop transitions, 2 changer transitions 0/308 dead transitions.
[2024-11-24 00:52:33,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 308 transitions, 646 flow
[2024-11-24 00:52:33,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions.
[2024-11-24 00:52:33,040 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9393063583815029
[2024-11-24 00:52:33,040 INFO L175 Difference]: Start difference. First operand has 306 places, 309 transitions, 626 flow. Second operand 3 states and 975 transitions.
[2024-11-24 00:52:33,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 308 transitions, 646 flow
[2024-11-24 00:52:33,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 308 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:52:33,047 INFO L231 Difference]: Finished difference. Result has 305 places, 308 transitions, 624 flow
[2024-11-24 00:52:33,047 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=305, PETRI_TRANSITIONS=308}
[2024-11-24 00:52:33,049 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -11 predicate places.
[2024-11-24 00:52:33,050 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 308 transitions, 624 flow
[2024-11-24 00:52:33,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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 00:52:33,051 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:33,051 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]
[2024-11-24 00:52:33,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 00:52:33,051 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:33,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:33,052 INFO L85 PathProgramCache]: Analyzing trace with hash 58731647, now seen corresponding path program 1 times
[2024-11-24 00:52:33,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:33,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980350326]
[2024-11-24 00:52:33,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:33,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:33,142 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 00:52:33,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:33,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980350326]
[2024-11-24 00:52:33,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980350326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:33,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:33,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:33,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997091266]
[2024-11-24 00:52:33,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:33,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:33,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:33,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:33,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:33,170 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 346
[2024-11-24 00:52:33,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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 00:52:33,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:33,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 346
[2024-11-24 00:52:33,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:33,242 INFO L124 PetriNetUnfolderBase]: 14/395 cut-off events.
[2024-11-24 00:52:33,242 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES.
[2024-11-24 00:52:33,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 395 events. 14/395 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 967 event pairs, 3 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 296. Up to 16 conditions per place.
[2024-11-24 00:52:33,246 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 9 selfloop transitions, 2 changer transitions 0/307 dead transitions.
[2024-11-24 00:52:33,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 307 transitions, 644 flow
[2024-11-24 00:52:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions.
[2024-11-24 00:52:33,249 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9393063583815029
[2024-11-24 00:52:33,249 INFO L175 Difference]: Start difference. First operand has 305 places, 308 transitions, 624 flow. Second operand 3 states and 975 transitions.
[2024-11-24 00:52:33,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 307 transitions, 644 flow
[2024-11-24 00:52:33,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 307 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:52:33,255 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 622 flow
[2024-11-24 00:52:33,255 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=304, PETRI_TRANSITIONS=307}
[2024-11-24 00:52:33,256 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places.
[2024-11-24 00:52:33,257 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 622 flow
[2024-11-24 00:52:33,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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 00:52:33,257 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:33,258 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]
[2024-11-24 00:52:33,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 00:52:33,258 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:33,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:33,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1510474007, now seen corresponding path program 1 times
[2024-11-24 00:52:33,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:33,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654061917]
[2024-11-24 00:52:33,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:33,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:33,353 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 00:52:33,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:33,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654061917]
[2024-11-24 00:52:33,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654061917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:33,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:33,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:33,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420726746]
[2024-11-24 00:52:33,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:33,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:33,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:33,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:33,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:33,372 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 346
[2024-11-24 00:52:33,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 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 00:52:33,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:33,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 346
[2024-11-24 00:52:33,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:33,482 INFO L124 PetriNetUnfolderBase]: 31/684 cut-off events.
[2024-11-24 00:52:33,482 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-11-24 00:52:33,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 684 events. 31/684 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2968 event pairs, 5 based on Foata normal form. 0/584 useless extension candidates. Maximal degree in co-relation 589. Up to 25 conditions per place.
[2024-11-24 00:52:33,487 INFO L140 encePairwiseOnDemand]: 342/346 looper letters, 10 selfloop transitions, 2 changer transitions 0/308 dead transitions.
[2024-11-24 00:52:33,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 308 transitions, 649 flow
[2024-11-24 00:52:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions.
[2024-11-24 00:52:33,490 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152
[2024-11-24 00:52:33,490 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 622 flow. Second operand 3 states and 983 transitions.
[2024-11-24 00:52:33,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 308 transitions, 649 flow
[2024-11-24 00:52:33,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:52:33,497 INFO L231 Difference]: Finished difference. Result has 303 places, 307 transitions, 628 flow
[2024-11-24 00:52:33,498 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=303, PETRI_TRANSITIONS=307}
[2024-11-24 00:52:33,498 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places.
[2024-11-24 00:52:33,499 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 307 transitions, 628 flow
[2024-11-24 00:52:33,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 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 00:52:33,499 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:33,500 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]
[2024-11-24 00:52:33,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 00:52:33,500 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:33,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:33,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2130572928, now seen corresponding path program 1 times
[2024-11-24 00:52:33,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:33,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149883364]
[2024-11-24 00:52:33,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:33,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:33,579 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 00:52:33,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:33,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149883364]
[2024-11-24 00:52:33,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149883364] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:33,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:33,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:33,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473051593]
[2024-11-24 00:52:33,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:33,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:33,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:33,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:33,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:33,600 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 346
[2024-11-24 00:52:33,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 307 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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 00:52:33,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:33,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 346
[2024-11-24 00:52:33,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:33,717 INFO L124 PetriNetUnfolderBase]: 32/662 cut-off events.
[2024-11-24 00:52:33,718 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES.
[2024-11-24 00:52:33,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 662 events. 32/662 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3083 event pairs, 3 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 492. Up to 26 conditions per place.
[2024-11-24 00:52:33,722 INFO L140 encePairwiseOnDemand]: 342/346 looper letters, 10 selfloop transitions, 2 changer transitions 0/308 dead transitions.
[2024-11-24 00:52:33,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 308 transitions, 655 flow
[2024-11-24 00:52:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:33,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions.
[2024-11-24 00:52:33,725 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152
[2024-11-24 00:52:33,725 INFO L175 Difference]: Start difference. First operand has 303 places, 307 transitions, 628 flow. Second operand 3 states and 983 transitions.
[2024-11-24 00:52:33,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 308 transitions, 655 flow
[2024-11-24 00:52:33,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 308 transitions, 655 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 00:52:33,732 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 638 flow
[2024-11-24 00:52:33,733 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=304, PETRI_TRANSITIONS=307}
[2024-11-24 00:52:33,735 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places.
[2024-11-24 00:52:33,735 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 638 flow
[2024-11-24 00:52:33,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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 00:52:33,736 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:33,736 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:52:33,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 00:52:33,736 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:33,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:33,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1786097063, now seen corresponding path program 1 times
[2024-11-24 00:52:33,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:33,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382348901]
[2024-11-24 00:52:33,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:33,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:33,810 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 00:52:33,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:33,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382348901]
[2024-11-24 00:52:33,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382348901] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:33,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:33,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:33,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811411901]
[2024-11-24 00:52:33,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:33,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:33,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:33,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:33,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:33,838 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 346
[2024-11-24 00:52:33,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 00:52:33,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:33,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 346
[2024-11-24 00:52:33,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:34,030 INFO L124 PetriNetUnfolderBase]: 80/1050 cut-off events.
[2024-11-24 00:52:34,030 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES.
[2024-11-24 00:52:34,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 1050 events. 80/1050 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5539 event pairs, 12 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 950. Up to 94 conditions per place.
[2024-11-24 00:52:34,038 INFO L140 encePairwiseOnDemand]: 340/346 looper letters, 16 selfloop transitions, 2 changer transitions 0/308 dead transitions.
[2024-11-24 00:52:34,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 308 transitions, 679 flow
[2024-11-24 00:52:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:34,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions.
[2024-11-24 00:52:34,041 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9373795761078998
[2024-11-24 00:52:34,041 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 638 flow. Second operand 3 states and 973 transitions.
[2024-11-24 00:52:34,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 308 transitions, 679 flow
[2024-11-24 00:52:34,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 679 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 00:52:34,052 INFO L231 Difference]: Finished difference. Result has 303 places, 305 transitions, 644 flow
[2024-11-24 00:52:34,052 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=303, PETRI_TRANSITIONS=305}
[2024-11-24 00:52:34,053 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places.
[2024-11-24 00:52:34,053 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 305 transitions, 644 flow
[2024-11-24 00:52:34,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 00:52:34,054 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:34,054 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]
[2024-11-24 00:52:34,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 00:52:34,054 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:34,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:34,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1717748387, now seen corresponding path program 1 times
[2024-11-24 00:52:34,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:34,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234229943]
[2024-11-24 00:52:34,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:34,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:34,244 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 00:52:34,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:34,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234229943]
[2024-11-24 00:52:34,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234229943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:34,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:34,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:52:34,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189996378]
[2024-11-24 00:52:34,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:34,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:52:34,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:34,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:52:34,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:52:34,420 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 346
[2024-11-24 00:52:34,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 305 transitions, 644 flow. Second operand has 5 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 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 00:52:34,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:34,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 346
[2024-11-24 00:52:34,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:34,607 INFO L124 PetriNetUnfolderBase]: 25/588 cut-off events.
[2024-11-24 00:52:34,607 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES.
[2024-11-24 00:52:34,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 660 conditions, 588 events. 25/588 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2108 event pairs, 0 based on Foata normal form. 2/527 useless extension candidates. Maximal degree in co-relation 441. Up to 13 conditions per place.
[2024-11-24 00:52:34,612 INFO L140 encePairwiseOnDemand]: 332/346 looper letters, 12 selfloop transitions, 12 changer transitions 0/307 dead transitions.
[2024-11-24 00:52:34,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 307 transitions, 696 flow
[2024-11-24 00:52:34,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:52:34,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 00:52:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1586 transitions.
[2024-11-24 00:52:34,617 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9167630057803469
[2024-11-24 00:52:34,617 INFO L175 Difference]: Start difference. First operand has 303 places, 305 transitions, 644 flow. Second operand 5 states and 1586 transitions.
[2024-11-24 00:52:34,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 307 transitions, 696 flow
[2024-11-24 00:52:34,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 307 transitions, 696 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 00:52:34,623 INFO L231 Difference]: Finished difference. Result has 308 places, 307 transitions, 684 flow
[2024-11-24 00:52:34,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=684, PETRI_PLACES=308, PETRI_TRANSITIONS=307}
[2024-11-24 00:52:34,625 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -8 predicate places.
[2024-11-24 00:52:34,625 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 307 transitions, 684 flow
[2024-11-24 00:52:34,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 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 00:52:34,626 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:34,626 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, 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 00:52:34,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 00:52:34,627 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:34,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash -392190570, now seen corresponding path program 1 times
[2024-11-24 00:52:34,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:34,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951372588]
[2024-11-24 00:52:34,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:34,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 00:52:34,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:34,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951372588]
[2024-11-24 00:52:34,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951372588] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:52:34,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840829745]
[2024-11-24 00:52:34,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:34,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:52:34,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:52:34,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:52:34,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:52:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:35,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-24 00:52:35,082 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:52:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 00:52:35,298 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:52:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 00:52:35,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840829745] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:52:35,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:52:35,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2024-11-24 00:52:35,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634516491]
[2024-11-24 00:52:35,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:52:35,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-24 00:52:35,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:35,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-24 00:52:35,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2024-11-24 00:52:36,073 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346
[2024-11-24 00:52:36,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 307 transitions, 684 flow. Second operand has 15 states, 15 states have (on average 308.6666666666667) internal successors, (4630), 15 states have internal predecessors, (4630), 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 00:52:36,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:36,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346
[2024-11-24 00:52:36,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:36,477 INFO L124 PetriNetUnfolderBase]: 25/622 cut-off events.
[2024-11-24 00:52:36,477 INFO L125 PetriNetUnfolderBase]: For 16/20 co-relation queries the response was YES.
[2024-11-24 00:52:36,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 622 events. 25/622 cut-off events. For 16/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2063 event pairs, 0 based on Foata normal form. 4/563 useless extension candidates. Maximal degree in co-relation 513. Up to 13 conditions per place.
[2024-11-24 00:52:36,481 INFO L140 encePairwiseOnDemand]: 326/346 looper letters, 20 selfloop transitions, 26 changer transitions 0/323 dead transitions.
[2024-11-24 00:52:36,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 323 transitions, 812 flow
[2024-11-24 00:52:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-11-24 00:52:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2024-11-24 00:52:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3416 transitions.
[2024-11-24 00:52:36,492 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8975302154492906
[2024-11-24 00:52:36,492 INFO L175 Difference]: Start difference. First operand has 308 places, 307 transitions, 684 flow. Second operand 11 states and 3416 transitions.
[2024-11-24 00:52:36,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 323 transitions, 812 flow
[2024-11-24 00:52:36,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 323 transitions, 792 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-24 00:52:36,499 INFO L231 Difference]: Finished difference. Result has 318 places, 319 transitions, 784 flow
[2024-11-24 00:52:36,499 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=784, PETRI_PLACES=318, PETRI_TRANSITIONS=319}
[2024-11-24 00:52:36,500 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 2 predicate places.
[2024-11-24 00:52:36,501 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 319 transitions, 784 flow
[2024-11-24 00:52:36,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 308.6666666666667) internal successors, (4630), 15 states have internal predecessors, (4630), 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 00:52:36,504 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:36,504 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:36,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 00:52:36,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:52:36,709 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:36,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:36,710 INFO L85 PathProgramCache]: Analyzing trace with hash -429897610, now seen corresponding path program 2 times
[2024-11-24 00:52:36,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:36,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745927509]
[2024-11-24 00:52:36,711 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:52:36,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:36,763 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:52:36,763 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:52:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2024-11-24 00:52:37,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:37,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745927509]
[2024-11-24 00:52:37,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745927509] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:37,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:37,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:52:37,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924617335]
[2024-11-24 00:52:37,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:37,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:52:37,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:37,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:52:37,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:52:38,007 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346
[2024-11-24 00:52:38,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 319 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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 00:52:38,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:38,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346
[2024-11-24 00:52:38,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:38,224 INFO L124 PetriNetUnfolderBase]: 38/726 cut-off events.
[2024-11-24 00:52:38,224 INFO L125 PetriNetUnfolderBase]: For 21/48 co-relation queries the response was YES.
[2024-11-24 00:52:38,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 726 events. 38/726 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2922 event pairs, 2 based on Foata normal form. 3/658 useless extension candidates. Maximal degree in co-relation 686. Up to 44 conditions per place.
[2024-11-24 00:52:38,229 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 27 selfloop transitions, 5 changer transitions 0/323 dead transitions.
[2024-11-24 00:52:38,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 323 transitions, 862 flow
[2024-11-24 00:52:38,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:52:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:52:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1870 transitions.
[2024-11-24 00:52:38,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9007707129094412
[2024-11-24 00:52:38,234 INFO L175 Difference]: Start difference. First operand has 318 places, 319 transitions, 784 flow. Second operand 6 states and 1870 transitions.
[2024-11-24 00:52:38,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 323 transitions, 862 flow
[2024-11-24 00:52:38,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 323 transitions, 838 flow, removed 4 selfloop flow, removed 3 redundant places.
[2024-11-24 00:52:38,242 INFO L231 Difference]: Finished difference. Result has 318 places, 317 transitions, 766 flow
[2024-11-24 00:52:38,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=766, PETRI_PLACES=318, PETRI_TRANSITIONS=317}
[2024-11-24 00:52:38,243 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 2 predicate places.
[2024-11-24 00:52:38,243 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 317 transitions, 766 flow
[2024-11-24 00:52:38,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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 00:52:38,244 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:38,245 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:38,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 00:52:38,245 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:38,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:38,246 INFO L85 PathProgramCache]: Analyzing trace with hash 591552988, now seen corresponding path program 1 times
[2024-11-24 00:52:38,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:38,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191701449]
[2024-11-24 00:52:38,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:38,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2024-11-24 00:52:38,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:38,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191701449]
[2024-11-24 00:52:38,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191701449] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:38,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:38,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:38,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250036103]
[2024-11-24 00:52:38,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:38,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:38,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:38,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:38,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:38,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 346
[2024-11-24 00:52:38,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 317 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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 00:52:38,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:38,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 346
[2024-11-24 00:52:38,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:38,664 INFO L124 PetriNetUnfolderBase]: 90/1210 cut-off events.
[2024-11-24 00:52:38,665 INFO L125 PetriNetUnfolderBase]: For 34/45 co-relation queries the response was YES.
[2024-11-24 00:52:38,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 1210 events. 90/1210 cut-off events. For 34/45 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6353 event pairs, 16 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 1266. Up to 116 conditions per place.
[2024-11-24 00:52:38,672 INFO L140 encePairwiseOnDemand]: 340/346 looper letters, 16 selfloop transitions, 2 changer transitions 0/318 dead transitions.
[2024-11-24 00:52:38,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 318 transitions, 807 flow
[2024-11-24 00:52:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:38,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions.
[2024-11-24 00:52:38,675 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9373795761078998
[2024-11-24 00:52:38,675 INFO L175 Difference]: Start difference. First operand has 318 places, 317 transitions, 766 flow. Second operand 3 states and 973 transitions.
[2024-11-24 00:52:38,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 318 transitions, 807 flow
[2024-11-24 00:52:38,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 318 transitions, 797 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 00:52:38,683 INFO L231 Difference]: Finished difference. Result has 312 places, 315 transitions, 762 flow
[2024-11-24 00:52:38,683 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=312, PETRI_TRANSITIONS=315}
[2024-11-24 00:52:38,684 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -4 predicate places.
[2024-11-24 00:52:38,684 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 315 transitions, 762 flow
[2024-11-24 00:52:38,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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 00:52:38,684 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:38,685 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:38,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 00:52:38,685 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:38,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:38,686 INFO L85 PathProgramCache]: Analyzing trace with hash 519648704, now seen corresponding path program 1 times
[2024-11-24 00:52:38,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:38,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704099272]
[2024-11-24 00:52:38,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:38,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-11-24 00:52:39,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:39,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704099272]
[2024-11-24 00:52:39,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704099272] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:52:39,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137284722]
[2024-11-24 00:52:39,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:39,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:52:39,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:52:39,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:52:39,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 00:52:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:39,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-24 00:52:39,389 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:52:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-11-24 00:52:39,824 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:52:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-11-24 00:52:40,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137284722] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:52:40,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:52:40,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2024-11-24 00:52:40,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074045724]
[2024-11-24 00:52:40,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:52:40,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-11-24 00:52:40,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:40,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-11-24 00:52:40,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462
[2024-11-24 00:52:40,726 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346
[2024-11-24 00:52:40,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 315 transitions, 762 flow. Second operand has 22 states, 22 states have (on average 308.59090909090907) internal successors, (6789), 22 states have internal predecessors, (6789), 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 00:52:40,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:40,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346
[2024-11-24 00:52:40,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:41,301 INFO L124 PetriNetUnfolderBase]: 31/739 cut-off events.
[2024-11-24 00:52:41,302 INFO L125 PetriNetUnfolderBase]: For 42/45 co-relation queries the response was YES.
[2024-11-24 00:52:41,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 946 conditions, 739 events. 31/739 cut-off events. For 42/45 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2525 event pairs, 0 based on Foata normal form. 4/690 useless extension candidates. Maximal degree in co-relation 589. Up to 17 conditions per place.
[2024-11-24 00:52:41,307 INFO L140 encePairwiseOnDemand]: 326/346 looper letters, 24 selfloop transitions, 38 changer transitions 0/335 dead transitions.
[2024-11-24 00:52:41,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 335 transitions, 982 flow
[2024-11-24 00:52:41,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-11-24 00:52:41,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2024-11-24 00:52:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5268 transitions.
[2024-11-24 00:52:41,339 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8956137368242094
[2024-11-24 00:52:41,339 INFO L175 Difference]: Start difference. First operand has 312 places, 315 transitions, 762 flow. Second operand 17 states and 5268 transitions.
[2024-11-24 00:52:41,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 335 transitions, 982 flow
[2024-11-24 00:52:41,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 335 transitions, 982 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 00:52:41,346 INFO L231 Difference]: Finished difference. Result has 331 places, 329 transitions, 946 flow
[2024-11-24 00:52:41,347 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=946, PETRI_PLACES=331, PETRI_TRANSITIONS=329}
[2024-11-24 00:52:41,348 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 15 predicate places.
[2024-11-24 00:52:41,349 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 329 transitions, 946 flow
[2024-11-24 00:52:41,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 308.59090909090907) internal successors, (6789), 22 states have internal predecessors, (6789), 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 00:52:41,351 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:41,352 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:41,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 00:52:41,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-11-24 00:52:41,556 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:41,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:41,557 INFO L85 PathProgramCache]: Analyzing trace with hash 456153248, now seen corresponding path program 2 times
[2024-11-24 00:52:41,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:41,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984517224]
[2024-11-24 00:52:41,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:52:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:41,648 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:52:41,649 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:52:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked.
[2024-11-24 00:52:42,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:42,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984517224]
[2024-11-24 00:52:42,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984517224] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:42,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:42,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:52:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024270002]
[2024-11-24 00:52:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:42,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:52:42,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:42,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:52:42,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:52:42,903 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346
[2024-11-24 00:52:42,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 329 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 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 00:52:42,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:42,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346
[2024-11-24 00:52:42,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:43,183 INFO L124 PetriNetUnfolderBase]: 61/838 cut-off events.
[2024-11-24 00:52:43,183 INFO L125 PetriNetUnfolderBase]: For 87/89 co-relation queries the response was YES.
[2024-11-24 00:52:43,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 838 events. 61/838 cut-off events. For 87/89 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3617 event pairs, 3 based on Foata normal form. 0/777 useless extension candidates. Maximal degree in co-relation 781. Up to 64 conditions per place.
[2024-11-24 00:52:43,189 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 26 selfloop transitions, 5 changer transitions 0/332 dead transitions.
[2024-11-24 00:52:43,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 332 transitions, 1019 flow
[2024-11-24 00:52:43,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:52:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:52:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions.
[2024-11-24 00:52:43,194 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9002890173410405
[2024-11-24 00:52:43,194 INFO L175 Difference]: Start difference. First operand has 331 places, 329 transitions, 946 flow. Second operand 6 states and 1869 transitions.
[2024-11-24 00:52:43,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 332 transitions, 1019 flow
[2024-11-24 00:52:43,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 332 transitions, 967 flow, removed 8 selfloop flow, removed 8 redundant places.
[2024-11-24 00:52:43,203 INFO L231 Difference]: Finished difference. Result has 326 places, 327 transitions, 900 flow
[2024-11-24 00:52:43,203 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=326, PETRI_TRANSITIONS=327}
[2024-11-24 00:52:43,204 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 10 predicate places.
[2024-11-24 00:52:43,204 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 327 transitions, 900 flow
[2024-11-24 00:52:43,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 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 00:52:43,205 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:43,205 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:43,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-24 00:52:43,206 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:43,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:43,207 INFO L85 PathProgramCache]: Analyzing trace with hash 955484540, now seen corresponding path program 1 times
[2024-11-24 00:52:43,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:43,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820628119]
[2024-11-24 00:52:43,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:43,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked.
[2024-11-24 00:52:44,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:44,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820628119]
[2024-11-24 00:52:44,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820628119] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:44,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:44,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:52:44,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13099709]
[2024-11-24 00:52:44,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:44,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:52:44,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:44,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:52:44,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:52:44,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346
[2024-11-24 00:52:44,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 327 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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 00:52:44,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:44,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346
[2024-11-24 00:52:44,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:45,251 INFO L124 PetriNetUnfolderBase]: 41/860 cut-off events.
[2024-11-24 00:52:45,251 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES.
[2024-11-24 00:52:45,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 860 events. 41/860 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3544 event pairs, 2 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 925. Up to 64 conditions per place.
[2024-11-24 00:52:45,257 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 27 selfloop transitions, 5 changer transitions 0/331 dead transitions.
[2024-11-24 00:52:45,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 331 transitions, 978 flow
[2024-11-24 00:52:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:52:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:52:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1870 transitions.
[2024-11-24 00:52:45,262 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9007707129094412
[2024-11-24 00:52:45,262 INFO L175 Difference]: Start difference. First operand has 326 places, 327 transitions, 900 flow. Second operand 6 states and 1870 transitions.
[2024-11-24 00:52:45,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 331 transitions, 978 flow
[2024-11-24 00:52:45,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 331 transitions, 968 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 00:52:45,272 INFO L231 Difference]: Finished difference. Result has 324 places, 325 transitions, 896 flow
[2024-11-24 00:52:45,272 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=324, PETRI_TRANSITIONS=325}
[2024-11-24 00:52:45,273 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 8 predicate places.
[2024-11-24 00:52:45,274 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 325 transitions, 896 flow
[2024-11-24 00:52:45,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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 00:52:45,275 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:45,275 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:45,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-24 00:52:45,276 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:45,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash -738886074, now seen corresponding path program 1 times
[2024-11-24 00:52:45,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:45,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268382551]
[2024-11-24 00:52:45,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:45,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked.
[2024-11-24 00:52:46,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:46,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268382551]
[2024-11-24 00:52:46,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268382551] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:46,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:46,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:52:46,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422789913]
[2024-11-24 00:52:46,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:46,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:52:46,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:46,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:52:46,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:52:47,053 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346
[2024-11-24 00:52:47,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 325 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 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 00:52:47,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:47,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346
[2024-11-24 00:52:47,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:47,332 INFO L124 PetriNetUnfolderBase]: 68/893 cut-off events.
[2024-11-24 00:52:47,332 INFO L125 PetriNetUnfolderBase]: For 103/106 co-relation queries the response was YES.
[2024-11-24 00:52:47,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 893 events. 68/893 cut-off events. For 103/106 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3996 event pairs, 5 based on Foata normal form. 0/833 useless extension candidates. Maximal degree in co-relation 864. Up to 73 conditions per place.
[2024-11-24 00:52:47,338 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 26 selfloop transitions, 5 changer transitions 0/328 dead transitions.
[2024-11-24 00:52:47,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 328 transitions, 969 flow
[2024-11-24 00:52:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:52:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:52:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions.
[2024-11-24 00:52:47,343 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9002890173410405
[2024-11-24 00:52:47,343 INFO L175 Difference]: Start difference. First operand has 324 places, 325 transitions, 896 flow. Second operand 6 states and 1869 transitions.
[2024-11-24 00:52:47,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 328 transitions, 969 flow
[2024-11-24 00:52:47,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 328 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 00:52:47,350 INFO L231 Difference]: Finished difference. Result has 322 places, 323 transitions, 892 flow
[2024-11-24 00:52:47,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=322, PETRI_TRANSITIONS=323}
[2024-11-24 00:52:47,351 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 6 predicate places.
[2024-11-24 00:52:47,352 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 323 transitions, 892 flow
[2024-11-24 00:52:47,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 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 00:52:47,353 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:47,353 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:47,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-24 00:52:47,353 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:47,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1788270114, now seen corresponding path program 1 times
[2024-11-24 00:52:47,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:47,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680274916]
[2024-11-24 00:52:47,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:47,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked.
[2024-11-24 00:52:47,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:47,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680274916]
[2024-11-24 00:52:47,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680274916] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:47,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:47,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:47,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199730320]
[2024-11-24 00:52:47,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:47,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:47,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:47,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:47,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:47,510 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 346
[2024-11-24 00:52:47,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 323 transitions, 892 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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 00:52:47,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:47,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 346
[2024-11-24 00:52:47,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:47,687 INFO L124 PetriNetUnfolderBase]: 34/746 cut-off events.
[2024-11-24 00:52:47,687 INFO L125 PetriNetUnfolderBase]: For 63/66 co-relation queries the response was YES.
[2024-11-24 00:52:47,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 746 events. 34/746 cut-off events. For 63/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2655 event pairs, 2 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 754. Up to 27 conditions per place.
[2024-11-24 00:52:47,692 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 8 selfloop transitions, 2 changer transitions 0/323 dead transitions.
[2024-11-24 00:52:47,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 323 transitions, 913 flow
[2024-11-24 00:52:47,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions.
[2024-11-24 00:52:47,695 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152
[2024-11-24 00:52:47,695 INFO L175 Difference]: Start difference. First operand has 322 places, 323 transitions, 892 flow. Second operand 3 states and 983 transitions.
[2024-11-24 00:52:47,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 323 transitions, 913 flow
[2024-11-24 00:52:47,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 323 transitions, 903 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 00:52:47,705 INFO L231 Difference]: Finished difference. Result has 318 places, 322 transitions, 884 flow
[2024-11-24 00:52:47,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=318, PETRI_TRANSITIONS=322}
[2024-11-24 00:52:47,706 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 2 predicate places.
[2024-11-24 00:52:47,707 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 322 transitions, 884 flow
[2024-11-24 00:52:47,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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 00:52:47,707 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:47,708 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:47,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-24 00:52:47,708 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:47,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:47,710 INFO L85 PathProgramCache]: Analyzing trace with hash 8678675, now seen corresponding path program 1 times
[2024-11-24 00:52:47,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:47,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736493715]
[2024-11-24 00:52:47,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:47,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked.
[2024-11-24 00:52:47,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:47,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736493715]
[2024-11-24 00:52:47,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736493715] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:47,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:47,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:47,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565818196]
[2024-11-24 00:52:47,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:47,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:47,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:47,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:47,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:47,841 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 346
[2024-11-24 00:52:47,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 322 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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 00:52:47,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:47,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 346
[2024-11-24 00:52:47,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:48,036 INFO L124 PetriNetUnfolderBase]: 33/723 cut-off events.
[2024-11-24 00:52:48,037 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES.
[2024-11-24 00:52:48,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 723 events. 33/723 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2399 event pairs, 1 based on Foata normal form. 0/693 useless extension candidates. Maximal degree in co-relation 861. Up to 17 conditions per place.
[2024-11-24 00:52:48,042 INFO L140 encePairwiseOnDemand]: 344/346 looper letters, 6 selfloop transitions, 1 changer transitions 0/321 dead transitions.
[2024-11-24 00:52:48,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 321 transitions, 896 flow
[2024-11-24 00:52:48,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions.
[2024-11-24 00:52:48,046 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9499036608863198
[2024-11-24 00:52:48,046 INFO L175 Difference]: Start difference. First operand has 318 places, 322 transitions, 884 flow. Second operand 3 states and 986 transitions.
[2024-11-24 00:52:48,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 321 transitions, 896 flow
[2024-11-24 00:52:48,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 892 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:52:48,055 INFO L231 Difference]: Finished difference. Result has 317 places, 321 transitions, 880 flow
[2024-11-24 00:52:48,055 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=317, PETRI_TRANSITIONS=321}
[2024-11-24 00:52:48,056 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places.
[2024-11-24 00:52:48,056 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 321 transitions, 880 flow
[2024-11-24 00:52:48,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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 00:52:48,057 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:48,058 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:48,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-24 00:52:48,058 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:48,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash -249709363, now seen corresponding path program 1 times
[2024-11-24 00:52:48,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:48,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979327305]
[2024-11-24 00:52:48,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:48,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked.
[2024-11-24 00:52:48,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:48,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979327305]
[2024-11-24 00:52:48,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979327305] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:48,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:48,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:48,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716619469]
[2024-11-24 00:52:48,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:48,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:48,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:48,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:48,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:48,234 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 346
[2024-11-24 00:52:48,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 321 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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 00:52:48,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:48,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 346
[2024-11-24 00:52:48,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:48,397 INFO L124 PetriNetUnfolderBase]: 33/716 cut-off events.
[2024-11-24 00:52:48,397 INFO L125 PetriNetUnfolderBase]: For 63/65 co-relation queries the response was YES.
[2024-11-24 00:52:48,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 716 events. 33/716 cut-off events. For 63/65 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2399 event pairs, 1 based on Foata normal form. 2/687 useless extension candidates. Maximal degree in co-relation 889. Up to 18 conditions per place.
[2024-11-24 00:52:48,405 INFO L140 encePairwiseOnDemand]: 344/346 looper letters, 4 selfloop transitions, 0 changer transitions 4/320 dead transitions.
[2024-11-24 00:52:48,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 320 transitions, 890 flow
[2024-11-24 00:52:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions.
[2024-11-24 00:52:48,410 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9489402697495183
[2024-11-24 00:52:48,410 INFO L175 Difference]: Start difference. First operand has 317 places, 321 transitions, 880 flow. Second operand 3 states and 985 transitions.
[2024-11-24 00:52:48,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 320 transitions, 890 flow
[2024-11-24 00:52:48,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 320 transitions, 889 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:52:48,418 INFO L231 Difference]: Finished difference. Result has 317 places, 316 transitions, 867 flow
[2024-11-24 00:52:48,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=867, PETRI_PLACES=317, PETRI_TRANSITIONS=316}
[2024-11-24 00:52:48,419 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places.
[2024-11-24 00:52:48,419 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 316 transitions, 867 flow
[2024-11-24 00:52:48,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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 00:52:48,420 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:52:48,420 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:48,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-24 00:52:48,421 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-24 00:52:48,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:52:48,422 INFO L85 PathProgramCache]: Analyzing trace with hash 124764007, now seen corresponding path program 1 times
[2024-11-24 00:52:48,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:52:48,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843526616]
[2024-11-24 00:52:48,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:52:48,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:52:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:52:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked.
[2024-11-24 00:52:48,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:52:48,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843526616]
[2024-11-24 00:52:48,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843526616] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:52:48,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:52:48,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:52:48,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671885522]
[2024-11-24 00:52:48,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:52:48,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:52:48,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:52:48,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:52:48,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:52:48,568 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 346
[2024-11-24 00:52:48,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 316 transitions, 867 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 00:52:48,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:52:48,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 346
[2024-11-24 00:52:48,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:52:48,705 INFO L124 PetriNetUnfolderBase]: 38/715 cut-off events.
[2024-11-24 00:52:48,706 INFO L125 PetriNetUnfolderBase]: For 69/71 co-relation queries the response was YES.
[2024-11-24 00:52:48,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 715 events. 38/715 cut-off events. For 69/71 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2351 event pairs, 2 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 909. Up to 21 conditions per place.
[2024-11-24 00:52:48,709 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 0 selfloop transitions, 0 changer transitions 316/316 dead transitions.
[2024-11-24 00:52:48,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 316 transitions, 884 flow
[2024-11-24 00:52:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:52:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:52:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions.
[2024-11-24 00:52:48,711 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9450867052023122
[2024-11-24 00:52:48,711 INFO L175 Difference]: Start difference. First operand has 317 places, 316 transitions, 867 flow. Second operand 3 states and 981 transitions.
[2024-11-24 00:52:48,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 316 transitions, 884 flow
[2024-11-24 00:52:48,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 316 transitions, 884 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 00:52:48,717 INFO L231 Difference]: Finished difference. Result has 312 places, 0 transitions, 0 flow
[2024-11-24 00:52:48,717 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=312, PETRI_TRANSITIONS=0}
[2024-11-24 00:52:48,717 INFO L279 CegarLoopForPetriNet]: 316 programPoint places, -4 predicate places.
[2024-11-24 00:52:48,717 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 0 transitions, 0 flow
[2024-11-24 00:52:48,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 00:52:48,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining)
[2024-11-24 00:52:48,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining)
[2024-11-24 00:52:48,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining)
[2024-11-24 00:52:48,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining)
[2024-11-24 00:52:48,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining)
[2024-11-24 00:52:48,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining)
[2024-11-24 00:52:48,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining)
[2024-11-24 00:52:48,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining)
[2024-11-24 00:52:48,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining)
[2024-11-24 00:52:48,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining)
[2024-11-24 00:52:48,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining)
[2024-11-24 00:52:48,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-24 00:52:48,725 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:52:48,731 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 00:52:48,731 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:52:48,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:52:48 BasicIcfg
[2024-11-24 00:52:48,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:52:48,741 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:52:48,741 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:52:48,741 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:52:48,742 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:52:28" (3/4) ...
[2024-11-24 00:52:48,746 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 00:52:48,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-24 00:52:48,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-24 00:52:48,758 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2024-11-24 00:52:48,759 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-24 00:52:48,759 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 00:52:48,759 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 00:52:48,857 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:52:48,858 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 00:52:48,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:52:48,859 INFO L158 Benchmark]: Toolchain (without parser) took 21503.15ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 92.0MB in the beginning and 336.2MB in the end (delta: -244.2MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB.
[2024-11-24 00:52:48,859 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:52:48,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.63ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.2MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:52:48,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.70ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:52:48,860 INFO L158 Benchmark]: Boogie Preprocessor took 44.92ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:52:48,860 INFO L158 Benchmark]: RCFGBuilder took 1145.90ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 45.3MB in the end (delta: 28.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-24 00:52:48,861 INFO L158 Benchmark]: TraceAbstraction took 19828.04ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 44.6MB in the beginning and 344.6MB in the end (delta: -300.0MB). Peak memory consumption was 196.1MB. Max. memory is 16.1GB.
[2024-11-24 00:52:48,861 INFO L158 Benchmark]: Witness Printer took 116.95ms. Allocated memory is still 402.7MB. Free memory was 344.6MB in the beginning and 336.2MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:52:48,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.64ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 307.63ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.2MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.70ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.92ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 1145.90ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 45.3MB in the end (delta: 28.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 19828.04ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 44.6MB in the beginning and 344.6MB in the end (delta: -300.0MB). Peak memory consumption was 196.1MB. Max. memory is 16.1GB.
* Witness Printer took 116.95ms. Allocated memory is still 402.7MB. Free memory was 344.6MB in the beginning and 336.2MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 50]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 53]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 65]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 66]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 69]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 81]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 104]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 82]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 104]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 83]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 84]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 92]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 92]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 488 locations, 54 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 19.5s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2450 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1644 mSDsluCounter, 983 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 770 mSDsCounter, 599 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4238 IncrementalHoareTripleChecker+Invalid, 4837 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 599 mSolverCounterUnsat, 213 mSDtfsCounter, 4238 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 740 SyntacticMatches, 5 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=13, InterpolantAutomatonStates: 99, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 3994 NumberOfCodeBlocks, 3754 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4340 ConstructedInterpolants, 0 QuantifiedInterpolants, 6127 SizeOfPredicates, 14 NumberOfNonLiveVariables, 840 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 2514/2661 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
30 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-24 00:52:48,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa98173-f5cc-4eb9-9cd0-6fdb8455aa98/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE