./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu --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 c18dd13658bb5739ed2db8c4c80ae330682b7c3cebd2ad85657518c27ca325b9
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:01:42,244 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:01:42,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 08:01:42,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:01:42,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:01:42,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:01:42,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:01:42,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:01:42,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:01:42,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:01:42,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:01:42,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:01:42,369 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:01:42,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:01:42,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:01:42,371 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:01:42,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:01:42,372 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:01:42,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:01:42,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:01:42,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:01:42,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:01:42,374 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-11-19 08:01:42,375 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:01:42,375 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:01:42,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:01:42,376 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:01:42,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:01:42,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:01:42,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:01:42,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:01:42,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:01:42,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:01:42,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:01:42,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:01:42,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:01:42,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:01:42,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:01:42,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:01:42,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:01:42,382 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:01:42,382 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c18dd13658bb5739ed2db8c4c80ae330682b7c3cebd2ad85657518c27ca325b9
[2023-11-19 08:01:42,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:01:42,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:01:42,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:01:42,732 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:01:42,733 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:01:42,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i
[2023-11-19 08:01:46,295 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:01:46,633 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:01:46,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i
[2023-11-19 08:01:46,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/data/494e39892/13f1d010f4304979971074d66e86b4ba/FLAG6ebaa856e
[2023-11-19 08:01:46,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/data/494e39892/13f1d010f4304979971074d66e86b4ba
[2023-11-19 08:01:46,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:01:46,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:01:46,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:01:46,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:01:46,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:01:46,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:46" (1/1) ...
[2023-11-19 08:01:46,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690906a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:46, skipping insertion in model container
[2023-11-19 08:01:46,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:46" (1/1) ...
[2023-11-19 08:01:46,793 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:01:47,285 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:01:47,320 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:01:47,404 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:01:47,480 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:01:47,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47 WrapperNode
[2023-11-19 08:01:47,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:01:47,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:01:47,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:01:47,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:01:47,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,547 INFO L138 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90
[2023-11-19 08:01:47,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:01:47,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:01:47,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:01:47,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:01:47,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:01:47,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:01:47,610 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:01:47,610 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:01:47,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ...
[2023-11-19 08:01:47,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:01:47,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:01:47,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:01:47,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:01:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 08:01:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:01:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 08:01:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 08:01:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-19 08:01:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:01:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2023-11-19 08:01:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2023-11-19 08:01:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:01:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:01:47,708 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 08:01:47,928 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:01:47,931 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:01:48,182 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:01:48,193 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:01:48,193 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 08:01:48,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:48 BoogieIcfgContainer
[2023-11-19 08:01:48,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:01:48,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:01:48,201 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:01:48,204 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:01:48,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:46" (1/3) ...
[2023-11-19 08:01:48,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdb0481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:48, skipping insertion in model container
[2023-11-19 08:01:48,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (2/3) ...
[2023-11-19 08:01:48,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdb0481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:48, skipping insertion in model container
[2023-11-19 08:01:48,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:48" (3/3) ...
[2023-11-19 08:01:48,208 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_07-tricky_address2.i
[2023-11-19 08:01:48,217 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 08:01:48,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:01:48,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-19 08:01:48,229 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 08:01:48,347 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 08:01:48,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 102 transitions, 208 flow
[2023-11-19 08:01:48,447 INFO L124 PetriNetUnfolderBase]: 4/101 cut-off events.
[2023-11-19 08:01:48,448 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:01:48,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 101 events. 4/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 84 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place.
[2023-11-19 08:01:48,453 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 102 transitions, 208 flow
[2023-11-19 08:01:48,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 101 transitions, 205 flow
[2023-11-19 08:01:48,463 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 08:01:48,474 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 101 transitions, 205 flow
[2023-11-19 08:01:48,477 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 101 transitions, 205 flow
[2023-11-19 08:01:48,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 101 transitions, 205 flow
[2023-11-19 08:01:48,512 INFO L124 PetriNetUnfolderBase]: 4/101 cut-off events.
[2023-11-19 08:01:48,513 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:01:48,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 101 events. 4/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 84 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place.
[2023-11-19 08:01:48,516 INFO L119 LiptonReduction]: Number of co-enabled transitions 2280
[2023-11-19 08:01:50,977 INFO L134 LiptonReduction]: Checked pairs total: 8293
[2023-11-19 08:01:50,977 INFO L136 LiptonReduction]: Total number of compositions: 77
[2023-11-19 08:01:50,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:01:51,005 INFO L357 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, mHoare=true, 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;@3274f4d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:01:51,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2023-11-19 08:01:51,012 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 08:01:51,013 INFO L124 PetriNetUnfolderBase]: 1/16 cut-off events.
[2023-11-19 08:01:51,013 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:01:51,013 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:51,014 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:51,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:01:51,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:51,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1357459196, now seen corresponding path program 1 times
[2023-11-19 08:01:51,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:51,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352824020]
[2023-11-19 08:01:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:51,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:51,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:51,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352824020]
[2023-11-19 08:01:51,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352824020] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:51,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:51,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:01:51,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882530494]
[2023-11-19 08:01:51,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:51,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:01:51,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:51,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:01:51,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:01:51,489 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 179
[2023-11-19 08:01:51,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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)
[2023-11-19 08:01:51,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:51,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 179
[2023-11-19 08:01:51,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:51,582 INFO L124 PetriNetUnfolderBase]: 37/165 cut-off events.
[2023-11-19 08:01:51,582 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:01:51,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 165 events. 37/165 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 626 event pairs, 36 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 244. Up to 89 conditions per place.
[2023-11-19 08:01:51,586 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 15 selfloop transitions, 2 changer transitions 0/37 dead transitions.
[2023-11-19 08:01:51,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 37 transitions, 111 flow
[2023-11-19 08:01:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:01:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:01:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions.
[2023-11-19 08:01:51,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.547486033519553
[2023-11-19 08:01:51,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions.
[2023-11-19 08:01:51,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions.
[2023-11-19 08:01:51,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:51,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions.
[2023-11-19 08:01:51,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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)
[2023-11-19 08:01:51,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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)
[2023-11-19 08:01:51,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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)
[2023-11-19 08:01:51,629 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 75 flow. Second operand 3 states and 294 transitions.
[2023-11-19 08:01:51,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 37 transitions, 111 flow
[2023-11-19 08:01:51,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 37 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 08:01:51,636 INFO L231 Difference]: Finished difference. Result has 41 places, 37 transitions, 86 flow
[2023-11-19 08:01:51,638 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=41, PETRI_TRANSITIONS=37}
[2023-11-19 08:01:51,643 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 2 predicate places.
[2023-11-19 08:01:51,643 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 37 transitions, 86 flow
[2023-11-19 08:01:51,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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)
[2023-11-19 08:01:51,644 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:51,645 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:51,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:01:51,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:01:51,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:51,646 INFO L85 PathProgramCache]: Analyzing trace with hash -224437813, now seen corresponding path program 1 times
[2023-11-19 08:01:51,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:51,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830229320]
[2023-11-19 08:01:51,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:51,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:51,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:51,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:51,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830229320]
[2023-11-19 08:01:51,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830229320] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:01:51,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052031218]
[2023-11-19 08:01:51,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:51,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:01:51,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:01:51,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:01:51,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 08:01:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:51,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 08:01:51,944 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:01:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:51,994 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:01:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:52,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052031218] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:01:52,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 08:01:52,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2023-11-19 08:01:52,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63277117]
[2023-11-19 08:01:52,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:01:52,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 08:01:52,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:52,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 08:01:52,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 08:01:52,069 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 179
[2023-11-19 08:01:52,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 37 transitions, 86 flow. Second operand has 7 states, 7 states have (on average 92.57142857142857) internal successors, (648), 7 states have internal predecessors, (648), 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)
[2023-11-19 08:01:52,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:52,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 179
[2023-11-19 08:01:52,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:52,209 INFO L124 PetriNetUnfolderBase]: 37/168 cut-off events.
[2023-11-19 08:01:52,209 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:01:52,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 168 events. 37/168 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 626 event pairs, 36 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 263. Up to 89 conditions per place.
[2023-11-19 08:01:52,216 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 15 selfloop transitions, 5 changer transitions 0/40 dead transitions.
[2023-11-19 08:01:52,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 40 transitions, 138 flow
[2023-11-19 08:01:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:01:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 08:01:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 569 transitions.
[2023-11-19 08:01:52,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5297951582867784
[2023-11-19 08:01:52,231 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 569 transitions.
[2023-11-19 08:01:52,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 569 transitions.
[2023-11-19 08:01:52,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:52,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 569 transitions.
[2023-11-19 08:01:52,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:52,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:52,245 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:52,252 INFO L175 Difference]: Start difference. First operand has 41 places, 37 transitions, 86 flow. Second operand 6 states and 569 transitions.
[2023-11-19 08:01:52,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 40 transitions, 138 flow
[2023-11-19 08:01:52,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 40 transitions, 134 flow, removed 1 selfloop flow, removed 1 redundant places.
[2023-11-19 08:01:52,255 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 118 flow
[2023-11-19 08:01:52,255 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=118, PETRI_PLACES=48, PETRI_TRANSITIONS=40}
[2023-11-19 08:01:52,257 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places.
[2023-11-19 08:01:52,258 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 118 flow
[2023-11-19 08:01:52,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.57142857142857) internal successors, (648), 7 states have internal predecessors, (648), 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)
[2023-11-19 08:01:52,264 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:52,264 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:52,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 08:01:52,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:01:52,488 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:01:52,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:52,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1856615740, now seen corresponding path program 2 times
[2023-11-19 08:01:52,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:52,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272845507]
[2023-11-19 08:01:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:52,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2023-11-19 08:01:53,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:53,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272845507]
[2023-11-19 08:01:53,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272845507] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:53,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:53,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 08:01:53,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684891272]
[2023-11-19 08:01:53,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:53,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 08:01:53,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:53,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 08:01:53,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:01:53,491 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 179
[2023-11-19 08:01:53,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 80.83333333333333) internal successors, (485), 6 states have internal predecessors, (485), 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)
[2023-11-19 08:01:53,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:53,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 179
[2023-11-19 08:01:53,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:53,794 INFO L124 PetriNetUnfolderBase]: 223/546 cut-off events.
[2023-11-19 08:01:53,794 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 08:01:53,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 546 events. 223/546 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2667 event pairs, 94 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 1038. Up to 276 conditions per place.
[2023-11-19 08:01:53,804 INFO L140 encePairwiseOnDemand]: 168/179 looper letters, 72 selfloop transitions, 22 changer transitions 0/101 dead transitions.
[2023-11-19 08:01:53,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 101 transitions, 428 flow
[2023-11-19 08:01:53,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:01:53,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 08:01:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 565 transitions.
[2023-11-19 08:01:53,808 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5260707635009311
[2023-11-19 08:01:53,808 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 565 transitions.
[2023-11-19 08:01:53,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 565 transitions.
[2023-11-19 08:01:53,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:53,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 565 transitions.
[2023-11-19 08:01:53,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 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)
[2023-11-19 08:01:53,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:53,816 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:53,816 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 118 flow. Second operand 6 states and 565 transitions.
[2023-11-19 08:01:53,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 101 transitions, 428 flow
[2023-11-19 08:01:53,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 101 transitions, 414 flow, removed 6 selfloop flow, removed 1 redundant places.
[2023-11-19 08:01:53,822 INFO L231 Difference]: Finished difference. Result has 56 places, 62 transitions, 250 flow
[2023-11-19 08:01:53,823 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=250, PETRI_PLACES=56, PETRI_TRANSITIONS=62}
[2023-11-19 08:01:53,825 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 17 predicate places.
[2023-11-19 08:01:53,825 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 62 transitions, 250 flow
[2023-11-19 08:01:53,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.83333333333333) internal successors, (485), 6 states have internal predecessors, (485), 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)
[2023-11-19 08:01:53,826 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:53,827 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:53,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:01:53,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:01:53,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:53,830 INFO L85 PathProgramCache]: Analyzing trace with hash -574703238, now seen corresponding path program 1 times
[2023-11-19 08:01:53,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:53,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948760860]
[2023-11-19 08:01:53,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:53,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2023-11-19 08:01:54,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:54,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948760860]
[2023-11-19 08:01:54,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948760860] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:54,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:54,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 08:01:54,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400582092]
[2023-11-19 08:01:54,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:54,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 08:01:54,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:54,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 08:01:54,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:01:54,497 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 179
[2023-11-19 08:01:54,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 62 transitions, 250 flow. Second operand has 6 states, 6 states have (on average 82.83333333333333) internal successors, (497), 6 states have internal predecessors, (497), 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)
[2023-11-19 08:01:54,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:54,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 179
[2023-11-19 08:01:54,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:54,753 INFO L124 PetriNetUnfolderBase]: 265/694 cut-off events.
[2023-11-19 08:01:54,754 INFO L125 PetriNetUnfolderBase]: For 129/130 co-relation queries the response was YES.
[2023-11-19 08:01:54,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 694 events. 265/694 cut-off events. For 129/130 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4036 event pairs, 105 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 1564. Up to 383 conditions per place.
[2023-11-19 08:01:54,760 INFO L140 encePairwiseOnDemand]: 168/179 looper letters, 78 selfloop transitions, 26 changer transitions 0/119 dead transitions.
[2023-11-19 08:01:54,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 119 transitions, 592 flow
[2023-11-19 08:01:54,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:01:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 08:01:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 572 transitions.
[2023-11-19 08:01:54,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5325884543761639
[2023-11-19 08:01:54,764 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 572 transitions.
[2023-11-19 08:01:54,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 572 transitions.
[2023-11-19 08:01:54,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:54,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 572 transitions.
[2023-11-19 08:01:54,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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)
[2023-11-19 08:01:54,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:54,771 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:54,771 INFO L175 Difference]: Start difference. First operand has 56 places, 62 transitions, 250 flow. Second operand 6 states and 572 transitions.
[2023-11-19 08:01:54,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 119 transitions, 592 flow
[2023-11-19 08:01:54,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 119 transitions, 592 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:01:54,784 INFO L231 Difference]: Finished difference. Result has 65 places, 84 transitions, 428 flow
[2023-11-19 08:01:54,785 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=428, PETRI_PLACES=65, PETRI_TRANSITIONS=84}
[2023-11-19 08:01:54,787 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 26 predicate places.
[2023-11-19 08:01:54,787 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 84 transitions, 428 flow
[2023-11-19 08:01:54,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.83333333333333) internal successors, (497), 6 states have internal predecessors, (497), 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)
[2023-11-19 08:01:54,788 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:54,788 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:54,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:01:54,788 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:01:54,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash -555116669, now seen corresponding path program 1 times
[2023-11-19 08:01:54,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:54,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000806382]
[2023-11-19 08:01:54,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:54,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:54,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000806382]
[2023-11-19 08:01:54,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000806382] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:01:54,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272376567]
[2023-11-19 08:01:54,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:54,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:01:54,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:01:54,944 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:01:54,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 08:01:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:55,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 08:01:55,058 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:01:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:55,090 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:01:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:55,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272376567] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:01:55,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 08:01:55,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2023-11-19 08:01:55,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567635333]
[2023-11-19 08:01:55,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:01:55,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-19 08:01:55,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:55,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-19 08:01:55,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2023-11-19 08:01:55,200 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 179
[2023-11-19 08:01:55,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 84 transitions, 428 flow. Second operand has 13 states, 13 states have (on average 92.46153846153847) internal successors, (1202), 13 states have internal predecessors, (1202), 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)
[2023-11-19 08:01:55,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:55,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 179
[2023-11-19 08:01:55,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:55,390 INFO L124 PetriNetUnfolderBase]: 136/505 cut-off events.
[2023-11-19 08:01:55,390 INFO L125 PetriNetUnfolderBase]: For 185/192 co-relation queries the response was YES.
[2023-11-19 08:01:55,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 505 events. 136/505 cut-off events. For 185/192 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3252 event pairs, 68 based on Foata normal form. 6/495 useless extension candidates. Maximal degree in co-relation 1205. Up to 229 conditions per place.
[2023-11-19 08:01:55,396 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 27 selfloop transitions, 11 changer transitions 0/90 dead transitions.
[2023-11-19 08:01:55,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 90 transitions, 540 flow
[2023-11-19 08:01:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-19 08:01:55,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2023-11-19 08:01:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1124 transitions.
[2023-11-19 08:01:55,401 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5232774674115456
[2023-11-19 08:01:55,401 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1124 transitions.
[2023-11-19 08:01:55,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1124 transitions.
[2023-11-19 08:01:55,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:55,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1124 transitions.
[2023-11-19 08:01:55,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 93.66666666666667) internal successors, (1124), 12 states have internal predecessors, (1124), 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)
[2023-11-19 08:01:55,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 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)
[2023-11-19 08:01:55,414 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 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)
[2023-11-19 08:01:55,414 INFO L175 Difference]: Start difference. First operand has 65 places, 84 transitions, 428 flow. Second operand 12 states and 1124 transitions.
[2023-11-19 08:01:55,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 90 transitions, 540 flow
[2023-11-19 08:01:55,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 90 transitions, 540 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:01:55,422 INFO L231 Difference]: Finished difference. Result has 82 places, 90 transitions, 512 flow
[2023-11-19 08:01:55,423 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=512, PETRI_PLACES=82, PETRI_TRANSITIONS=90}
[2023-11-19 08:01:55,425 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 43 predicate places.
[2023-11-19 08:01:55,425 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 90 transitions, 512 flow
[2023-11-19 08:01:55,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 92.46153846153847) internal successors, (1202), 13 states have internal predecessors, (1202), 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)
[2023-11-19 08:01:55,426 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:55,426 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:55,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 08:01:55,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:01:55,641 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:01:55,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:55,642 INFO L85 PathProgramCache]: Analyzing trace with hash -206573021, now seen corresponding path program 2 times
[2023-11-19 08:01:55,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:55,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140077854]
[2023-11-19 08:01:55,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:55,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2023-11-19 08:01:56,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:56,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140077854]
[2023-11-19 08:01:56,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140077854] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:56,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:56,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 08:01:56,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868390955]
[2023-11-19 08:01:56,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:56,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 08:01:56,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:56,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 08:01:56,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:01:56,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 179
[2023-11-19 08:01:56,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 90 transitions, 512 flow. Second operand has 6 states, 6 states have (on average 75.83333333333333) internal successors, (455), 6 states have internal predecessors, (455), 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)
[2023-11-19 08:01:56,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:56,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 179
[2023-11-19 08:01:56,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:56,854 INFO L124 PetriNetUnfolderBase]: 490/1118 cut-off events.
[2023-11-19 08:01:56,855 INFO L125 PetriNetUnfolderBase]: For 752/771 co-relation queries the response was YES.
[2023-11-19 08:01:56,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3305 conditions, 1118 events. 490/1118 cut-off events. For 752/771 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6280 event pairs, 192 based on Foata normal form. 1/1065 useless extension candidates. Maximal degree in co-relation 3220. Up to 780 conditions per place.
[2023-11-19 08:01:56,871 INFO L140 encePairwiseOnDemand]: 165/179 looper letters, 121 selfloop transitions, 52 changer transitions 2/178 dead transitions.
[2023-11-19 08:01:56,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 178 transitions, 1239 flow
[2023-11-19 08:01:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:01:56,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 08:01:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 541 transitions.
[2023-11-19 08:01:56,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5037243947858473
[2023-11-19 08:01:56,876 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 541 transitions.
[2023-11-19 08:01:56,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 541 transitions.
[2023-11-19 08:01:56,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:56,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 541 transitions.
[2023-11-19 08:01:56,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.16666666666667) internal successors, (541), 6 states have internal predecessors, (541), 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)
[2023-11-19 08:01:56,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:56,883 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:56,883 INFO L175 Difference]: Start difference. First operand has 82 places, 90 transitions, 512 flow. Second operand 6 states and 541 transitions.
[2023-11-19 08:01:56,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 178 transitions, 1239 flow
[2023-11-19 08:01:56,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 178 transitions, 1191 flow, removed 19 selfloop flow, removed 5 redundant places.
[2023-11-19 08:01:56,897 INFO L231 Difference]: Finished difference. Result has 86 places, 135 transitions, 921 flow
[2023-11-19 08:01:56,897 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=921, PETRI_PLACES=86, PETRI_TRANSITIONS=135}
[2023-11-19 08:01:56,900 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 47 predicate places.
[2023-11-19 08:01:56,901 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 135 transitions, 921 flow
[2023-11-19 08:01:56,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.83333333333333) internal successors, (455), 6 states have internal predecessors, (455), 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)
[2023-11-19 08:01:56,901 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:56,902 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:56,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:01:56,902 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:01:56,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:56,903 INFO L85 PathProgramCache]: Analyzing trace with hash -888716968, now seen corresponding path program 1 times
[2023-11-19 08:01:56,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:56,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945756425]
[2023-11-19 08:01:56,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:56,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2023-11-19 08:01:57,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:57,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945756425]
[2023-11-19 08:01:57,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945756425] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:57,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:57,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 08:01:57,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196124533]
[2023-11-19 08:01:57,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:57,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 08:01:57,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:57,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 08:01:57,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:01:57,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 179
[2023-11-19 08:01:57,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 135 transitions, 921 flow. Second operand has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 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)
[2023-11-19 08:01:57,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:57,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 179
[2023-11-19 08:01:57,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:58,276 INFO L124 PetriNetUnfolderBase]: 612/1405 cut-off events.
[2023-11-19 08:01:58,276 INFO L125 PetriNetUnfolderBase]: For 1964/1978 co-relation queries the response was YES.
[2023-11-19 08:01:58,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4852 conditions, 1405 events. 612/1405 cut-off events. For 1964/1978 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8561 event pairs, 166 based on Foata normal form. 4/1350 useless extension candidates. Maximal degree in co-relation 4787. Up to 859 conditions per place.
[2023-11-19 08:01:58,295 INFO L140 encePairwiseOnDemand]: 164/179 looper letters, 141 selfloop transitions, 75 changer transitions 21/245 dead transitions.
[2023-11-19 08:01:58,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 245 transitions, 1971 flow
[2023-11-19 08:01:58,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:01:58,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 08:01:58,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 552 transitions.
[2023-11-19 08:01:58,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5139664804469274
[2023-11-19 08:01:58,299 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 552 transitions.
[2023-11-19 08:01:58,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 552 transitions.
[2023-11-19 08:01:58,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:58,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 552 transitions.
[2023-11-19 08:01:58,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.0) internal successors, (552), 6 states have internal predecessors, (552), 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)
[2023-11-19 08:01:58,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:58,307 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 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)
[2023-11-19 08:01:58,308 INFO L175 Difference]: Start difference. First operand has 86 places, 135 transitions, 921 flow. Second operand 6 states and 552 transitions.
[2023-11-19 08:01:58,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 245 transitions, 1971 flow
[2023-11-19 08:01:58,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 245 transitions, 1919 flow, removed 26 selfloop flow, removed 0 redundant places.
[2023-11-19 08:01:58,346 INFO L231 Difference]: Finished difference. Result has 95 places, 184 transitions, 1467 flow
[2023-11-19 08:01:58,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=869, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1467, PETRI_PLACES=95, PETRI_TRANSITIONS=184}
[2023-11-19 08:01:58,348 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 56 predicate places.
[2023-11-19 08:01:58,349 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 184 transitions, 1467 flow
[2023-11-19 08:01:58,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 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)
[2023-11-19 08:01:58,349 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:58,349 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:58,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 08:01:58,350 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:01:58,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:58,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1966862584, now seen corresponding path program 1 times
[2023-11-19 08:01:58,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594202917]
[2023-11-19 08:01:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:58,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:02:03,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:03,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594202917]
[2023-11-19 08:02:03,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594202917] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:02:03,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532467866]
[2023-11-19 08:02:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:03,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:03,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:03,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:02:03,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 08:02:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:03,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 53 conjunts are in the unsatisfiable core
[2023-11-19 08:02:03,874 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:02:03,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12
[2023-11-19 08:02:03,984 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2023-11-19 08:02:03,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 11
[2023-11-19 08:02:04,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2023-11-19 08:02:04,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 15
[2023-11-19 08:02:04,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27
[2023-11-19 08:02:04,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49
[2023-11-19 08:02:04,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 08:02:04,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 42
[2023-11-19 08:02:04,199 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size
[2023-11-19 08:02:04,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 57
[2023-11-19 08:02:04,301 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2023-11-19 08:02:04,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 72
[2023-11-19 08:02:04,593 INFO L349 Elim1Store]: treesize reduction 38, result has 24.0 percent of original size
[2023-11-19 08:02:04,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 88 treesize of output 102
[2023-11-19 08:02:04,756 INFO L349 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size
[2023-11-19 08:02:04,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 107 treesize of output 105
[2023-11-19 08:02:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 08:02:08,943 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:02:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2023-11-19 08:02:09,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532467866] provided 1 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:02:09,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2023-11-19 08:02:09,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [19, 19] total 31
[2023-11-19 08:02:09,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605747621]
[2023-11-19 08:02:09,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:09,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-19 08:02:09,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:09,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-19 08:02:09,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=849, Unknown=2, NotChecked=0, Total=992
[2023-11-19 08:02:11,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 179
[2023-11-19 08:02:11,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 184 transitions, 1467 flow. Second operand has 12 states, 12 states have (on average 70.5) internal successors, (846), 12 states have internal predecessors, (846), 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)
[2023-11-19 08:02:11,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:11,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 179
[2023-11-19 08:02:11,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:17,092 INFO L124 PetriNetUnfolderBase]: 1211/2795 cut-off events.
[2023-11-19 08:02:17,093 INFO L125 PetriNetUnfolderBase]: For 6479/6547 co-relation queries the response was YES.
[2023-11-19 08:02:17,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11558 conditions, 2795 events. 1211/2795 cut-off events. For 6479/6547 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 20557 event pairs, 172 based on Foata normal form. 35/2830 useless extension candidates. Maximal degree in co-relation 11488. Up to 911 conditions per place.
[2023-11-19 08:02:17,133 INFO L140 encePairwiseOnDemand]: 161/179 looper letters, 344 selfloop transitions, 104 changer transitions 82/540 dead transitions.
[2023-11-19 08:02:17,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 540 transitions, 5150 flow
[2023-11-19 08:02:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-19 08:02:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2023-11-19 08:02:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1006 transitions.
[2023-11-19 08:02:17,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46834264432029793
[2023-11-19 08:02:17,138 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1006 transitions.
[2023-11-19 08:02:17,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1006 transitions.
[2023-11-19 08:02:17,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:17,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1006 transitions.
[2023-11-19 08:02:17,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 83.83333333333333) internal successors, (1006), 12 states have internal predecessors, (1006), 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)
[2023-11-19 08:02:17,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 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)
[2023-11-19 08:02:17,149 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 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)
[2023-11-19 08:02:17,150 INFO L175 Difference]: Start difference. First operand has 95 places, 184 transitions, 1467 flow. Second operand 12 states and 1006 transitions.
[2023-11-19 08:02:17,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 540 transitions, 5150 flow
[2023-11-19 08:02:17,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 540 transitions, 5094 flow, removed 28 selfloop flow, removed 0 redundant places.
[2023-11-19 08:02:17,234 INFO L231 Difference]: Finished difference. Result has 115 places, 267 transitions, 2586 flow
[2023-11-19 08:02:17,234 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=1439, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2586, PETRI_PLACES=115, PETRI_TRANSITIONS=267}
[2023-11-19 08:02:17,236 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 76 predicate places.
[2023-11-19 08:02:17,237 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 267 transitions, 2586 flow
[2023-11-19 08:02:17,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 70.5) internal successors, (846), 12 states have internal predecessors, (846), 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)
[2023-11-19 08:02:17,237 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:17,238 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:17,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 08:02:17,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb885257-7b96-4582-8733-07a6c8f34bcc/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2023-11-19 08:02:17,451 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 08:02:17,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:17,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1936265848, now seen corresponding path program 2 times
[2023-11-19 08:02:17,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:17,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16574179]
[2023-11-19 08:02:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:17,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat