./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 5e519f3a
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_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:52:23,295 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:52:23,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:52:23,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:52:23,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:52:23,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:52:23,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:52:23,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:52:23,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:52:23,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:52:23,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:52:23,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:52:23,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:52:23,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:52:23,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:52:23,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:52:23,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:52:23,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:52:23,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:52:23,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:52:23,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:52:23,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:52:23,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:52:23,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:52:23,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:52:23,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:52:23,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:52:23,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:52:23,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:52:23,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:52:23,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:52:23,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:52:23,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:52:23,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:52:23,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:52:23,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:52:23,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:52:23,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:52:23,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:52:23,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:52:23,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:52:23,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-11-02 20:52:23,402 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:52:23,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:52:23,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:52:23,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:52:23,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:52:23,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:52:23,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:52:23,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:52:23,405 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:52:23,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:52:23,406 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:52:23,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:52:23,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:52:23,407 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:52:23,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:52:23,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:52:23,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:52:23,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:52:23,408 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2022-11-02 20:52:23,408 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:52:23,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:52:23,409 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:52:23,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:52:23,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:52:23,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:52:23,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:52:23,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:52:23,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:52:23,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:52:23,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:52:23,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:52:23,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:52:23,411 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:52:23,412 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:52:23,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:52:23,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c
[2022-11-02 20:52:23,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:52:23,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:52:23,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:52:23,748 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:52:23,749 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:52:23,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c
[2022-11-02 20:52:23,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/data/8983d6a7e/ce20de514eb54815a3e2cb2aca8b7e62/FLAGb0e5ec614
[2022-11-02 20:52:24,355 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:52:24,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c
[2022-11-02 20:52:24,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/data/8983d6a7e/ce20de514eb54815a3e2cb2aca8b7e62/FLAGb0e5ec614
[2022-11-02 20:52:24,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/data/8983d6a7e/ce20de514eb54815a3e2cb2aca8b7e62
[2022-11-02 20:52:24,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:52:24,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:52:24,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:52:24,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:52:24,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:52:24,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:24" (1/1) ...
[2022-11-02 20:52:24,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16354dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:24, skipping insertion in model container
[2022-11-02 20:52:24,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:24" (1/1) ...
[2022-11-02 20:52:24,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:52:24,768 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:52:25,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316]
[2022-11-02 20:52:25,108 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:52:25,125 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:52:25,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316]
[2022-11-02 20:52:25,190 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:52:25,206 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:52:25,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25 WrapperNode
[2022-11-02 20:52:25,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:52:25,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:52:25,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:52:25,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:52:25,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,269 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 208
[2022-11-02 20:52:25,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:52:25,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:52:25,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:52:25,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:52:25,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:52:25,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:52:25,327 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:52:25,327 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:52:25,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (1/1) ...
[2022-11-02 20:52:25,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:52:25,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:52:25,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:52:25,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:52:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:52:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-11-02 20:52:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-11-02 20:52:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-11-02 20:52:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-11-02 20:52:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:52:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:52:25,429 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:52:25,537 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:52:25,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:52:26,020 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:52:26,035 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:52:26,035 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:52:26,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:26 BoogieIcfgContainer
[2022-11-02 20:52:26,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:52:26,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:52:26,042 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:52:26,046 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:52:26,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:52:24" (1/3) ...
[2022-11-02 20:52:26,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfb5e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:26, skipping insertion in model container
[2022-11-02 20:52:26,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:25" (2/3) ...
[2022-11-02 20:52:26,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfb5e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:26, skipping insertion in model container
[2022-11-02 20:52:26,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:26" (3/3) ...
[2022-11-02 20:52:26,050 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c
[2022-11-02 20:52:26,060 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:52:26,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:52:26,073 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations.
[2022-11-02 20:52:26,073 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:52:26,229 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-11-02 20:52:26,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 271 places, 280 transitions, 576 flow
[2022-11-02 20:52:26,418 INFO L130 PetriNetUnfolder]: 16/278 cut-off events.
[2022-11-02 20:52:26,419 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-11-02 20:52:26,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 278 events. 16/278 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 509 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place.
[2022-11-02 20:52:26,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 271 places, 280 transitions, 576 flow
[2022-11-02 20:52:26,440 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 250 places, 257 transitions, 526 flow
[2022-11-02 20:52:26,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:52:26,462 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=LoopsAndPotentialCycles, 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;@52892d33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:52:26,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations.
[2022-11-02 20:52:26,471 INFO L130 PetriNetUnfolder]: 0/25 cut-off events.
[2022-11-02 20:52:26,471 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:52:26,471 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:26,472 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:26,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:26,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:26,479 INFO L85 PathProgramCache]: Analyzing trace with hash 679259982, now seen corresponding path program 1 times
[2022-11-02 20:52:26,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:26,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942471470]
[2022-11-02 20:52:26,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:26,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:26,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:26,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942471470]
[2022-11-02 20:52:26,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942471470] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:26,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:26,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:26,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892495668]
[2022-11-02 20:52:26,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:26,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:26,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:26,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:26,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:26,927 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 280
[2022-11-02 20:52:26,941 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 257 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 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)
[2022-11-02 20:52:26,942 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:26,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 280
[2022-11-02 20:52:26,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:27,270 INFO L130 PetriNetUnfolder]: 56/708 cut-off events.
[2022-11-02 20:52:27,270 INFO L131 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES.
[2022-11-02 20:52:27,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 708 events. 56/708 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3766 event pairs, 27 based on Foata normal form. 20/604 useless extension candidates. Maximal degree in co-relation 601. Up to 71 conditions per place.
[2022-11-02 20:52:27,286 INFO L137 encePairwiseOnDemand]: 271/280 looper letters, 16 selfloop transitions, 2 changer transitions 2/250 dead transitions.
[2022-11-02 20:52:27,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 250 transitions, 548 flow
[2022-11-02 20:52:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions.
[2022-11-02 20:52:27,307 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333
[2022-11-02 20:52:27,308 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions.
[2022-11-02 20:52:27,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions.
[2022-11-02 20:52:27,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:27,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions.
[2022-11-02 20:52:27,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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)
[2022-11-02 20:52:27,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:27,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:27,341 INFO L175 Difference]: Start difference. First operand has 250 places, 257 transitions, 526 flow. Second operand 3 states and 784 transitions.
[2022-11-02 20:52:27,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 250 transitions, 548 flow
[2022-11-02 20:52:27,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 250 transitions, 540 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:52:27,359 INFO L231 Difference]: Finished difference. Result has 247 places, 248 transitions, 504 flow
[2022-11-02 20:52:27,362 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=247, PETRI_TRANSITIONS=248}
[2022-11-02 20:52:27,366 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -3 predicate places.
[2022-11-02 20:52:27,367 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 248 transitions, 504 flow
[2022-11-02 20:52:27,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 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)
[2022-11-02 20:52:27,368 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:27,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:27,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:52:27,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:27,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:27,373 INFO L85 PathProgramCache]: Analyzing trace with hash -669542129, now seen corresponding path program 1 times
[2022-11-02 20:52:27,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:27,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105643041]
[2022-11-02 20:52:27,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:27,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:27,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:27,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105643041]
[2022-11-02 20:52:27,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105643041] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:27,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:27,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:27,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382036278]
[2022-11-02 20:52:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:27,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:27,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:27,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:27,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:27,480 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 280
[2022-11-02 20:52:27,481 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 248 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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)
[2022-11-02 20:52:27,481 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:27,482 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 280
[2022-11-02 20:52:27,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:27,611 INFO L130 PetriNetUnfolder]: 31/547 cut-off events.
[2022-11-02 20:52:27,611 INFO L131 PetriNetUnfolder]: For 10/11 co-relation queries the response was YES.
[2022-11-02 20:52:27,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 547 events. 31/547 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2382 event pairs, 15 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 574. Up to 49 conditions per place.
[2022-11-02 20:52:27,617 INFO L137 encePairwiseOnDemand]: 277/280 looper letters, 13 selfloop transitions, 2 changer transitions 0/247 dead transitions.
[2022-11-02 20:52:27,618 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 247 transitions, 532 flow
[2022-11-02 20:52:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions.
[2022-11-02 20:52:27,621 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333
[2022-11-02 20:52:27,621 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions.
[2022-11-02 20:52:27,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions.
[2022-11-02 20:52:27,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:27,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions.
[2022-11-02 20:52:27,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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)
[2022-11-02 20:52:27,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:27,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:27,628 INFO L175 Difference]: Start difference. First operand has 247 places, 248 transitions, 504 flow. Second operand 3 states and 784 transitions.
[2022-11-02 20:52:27,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 247 transitions, 532 flow
[2022-11-02 20:52:27,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 247 transitions, 528 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:52:27,636 INFO L231 Difference]: Finished difference. Result has 244 places, 247 transitions, 502 flow
[2022-11-02 20:52:27,636 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=244, PETRI_TRANSITIONS=247}
[2022-11-02 20:52:27,637 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -6 predicate places.
[2022-11-02 20:52:27,637 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 247 transitions, 502 flow
[2022-11-02 20:52:27,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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)
[2022-11-02 20:52:27,638 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:27,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:27,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:52:27,639 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:27,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:27,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1929170640, now seen corresponding path program 1 times
[2022-11-02 20:52:27,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:27,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977196575]
[2022-11-02 20:52:27,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:27,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:27,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:27,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977196575]
[2022-11-02 20:52:27,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977196575] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:27,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:27,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:27,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453969509]
[2022-11-02 20:52:27,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:27,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:27,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:27,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:27,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:27,737 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 280
[2022-11-02 20:52:27,739 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 247 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 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)
[2022-11-02 20:52:27,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:27,740 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 280
[2022-11-02 20:52:27,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:27,937 INFO L130 PetriNetUnfolder]: 59/772 cut-off events.
[2022-11-02 20:52:27,937 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES.
[2022-11-02 20:52:27,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 772 events. 59/772 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4463 event pairs, 27 based on Foata normal form. 0/639 useless extension candidates. Maximal degree in co-relation 817. Up to 71 conditions per place.
[2022-11-02 20:52:27,944 INFO L137 encePairwiseOnDemand]: 277/280 looper letters, 16 selfloop transitions, 2 changer transitions 0/246 dead transitions.
[2022-11-02 20:52:27,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 246 transitions, 536 flow
[2022-11-02 20:52:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 778 transitions.
[2022-11-02 20:52:27,948 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9261904761904762
[2022-11-02 20:52:27,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 778 transitions.
[2022-11-02 20:52:27,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 778 transitions.
[2022-11-02 20:52:27,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:27,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 778 transitions.
[2022-11-02 20:52:27,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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)
[2022-11-02 20:52:27,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:27,956 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:27,956 INFO L175 Difference]: Start difference. First operand has 244 places, 247 transitions, 502 flow. Second operand 3 states and 778 transitions.
[2022-11-02 20:52:27,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 246 transitions, 536 flow
[2022-11-02 20:52:27,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 246 transitions, 532 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:52:27,965 INFO L231 Difference]: Finished difference. Result has 243 places, 246 transitions, 500 flow
[2022-11-02 20:52:27,968 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=243, PETRI_TRANSITIONS=246}
[2022-11-02 20:52:27,970 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -7 predicate places.
[2022-11-02 20:52:27,971 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 246 transitions, 500 flow
[2022-11-02 20:52:27,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 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)
[2022-11-02 20:52:27,972 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:27,972 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:27,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:52:27,972 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:27,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:27,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1419346792, now seen corresponding path program 1 times
[2022-11-02 20:52:27,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:27,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989381676]
[2022-11-02 20:52:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:28,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:28,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989381676]
[2022-11-02 20:52:28,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989381676] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:28,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:28,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:28,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965840588]
[2022-11-02 20:52:28,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:28,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:28,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:28,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:28,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:28,095 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 280
[2022-11-02 20:52:28,097 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 246 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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)
[2022-11-02 20:52:28,097 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:28,097 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 280
[2022-11-02 20:52:28,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:28,239 INFO L130 PetriNetUnfolder]: 31/548 cut-off events.
[2022-11-02 20:52:28,240 INFO L131 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES.
[2022-11-02 20:52:28,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 548 events. 31/548 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2388 event pairs, 15 based on Foata normal form. 0/472 useless extension candidates. Maximal degree in co-relation 561. Up to 49 conditions per place.
[2022-11-02 20:52:28,245 INFO L137 encePairwiseOnDemand]: 277/280 looper letters, 13 selfloop transitions, 2 changer transitions 0/245 dead transitions.
[2022-11-02 20:52:28,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 245 transitions, 528 flow
[2022-11-02 20:52:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions.
[2022-11-02 20:52:28,248 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333
[2022-11-02 20:52:28,249 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions.
[2022-11-02 20:52:28,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions.
[2022-11-02 20:52:28,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:28,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions.
[2022-11-02 20:52:28,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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)
[2022-11-02 20:52:28,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:28,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:28,260 INFO L175 Difference]: Start difference. First operand has 243 places, 246 transitions, 500 flow. Second operand 3 states and 784 transitions.
[2022-11-02 20:52:28,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 245 transitions, 528 flow
[2022-11-02 20:52:28,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 245 transitions, 524 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:52:28,268 INFO L231 Difference]: Finished difference. Result has 242 places, 245 transitions, 498 flow
[2022-11-02 20:52:28,269 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=242, PETRI_TRANSITIONS=245}
[2022-11-02 20:52:28,271 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -8 predicate places.
[2022-11-02 20:52:28,271 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 245 transitions, 498 flow
[2022-11-02 20:52:28,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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)
[2022-11-02 20:52:28,278 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:28,279 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:28,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:52:28,279 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:28,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:28,280 INFO L85 PathProgramCache]: Analyzing trace with hash 988397042, now seen corresponding path program 1 times
[2022-11-02 20:52:28,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:28,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48358362]
[2022-11-02 20:52:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:28,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:28,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:28,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48358362]
[2022-11-02 20:52:28,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48358362] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:28,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:28,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:28,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192371323]
[2022-11-02 20:52:28,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:28,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:28,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:28,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:28,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:28,399 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 280
[2022-11-02 20:52:28,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 245 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 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)
[2022-11-02 20:52:28,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:28,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 280
[2022-11-02 20:52:28,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:28,544 INFO L130 PetriNetUnfolder]: 40/636 cut-off events.
[2022-11-02 20:52:28,544 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2022-11-02 20:52:28,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 636 events. 40/636 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3135 event pairs, 9 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 630. Up to 36 conditions per place.
[2022-11-02 20:52:28,551 INFO L137 encePairwiseOnDemand]: 274/280 looper letters, 13 selfloop transitions, 3 changer transitions 0/246 dead transitions.
[2022-11-02 20:52:28,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 246 transitions, 533 flow
[2022-11-02 20:52:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 787 transitions.
[2022-11-02 20:52:28,554 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9369047619047619
[2022-11-02 20:52:28,554 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 787 transitions.
[2022-11-02 20:52:28,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 787 transitions.
[2022-11-02 20:52:28,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:28,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 787 transitions.
[2022-11-02 20:52:28,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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)
[2022-11-02 20:52:28,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:28,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:28,561 INFO L175 Difference]: Start difference. First operand has 242 places, 245 transitions, 498 flow. Second operand 3 states and 787 transitions.
[2022-11-02 20:52:28,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 246 transitions, 533 flow
[2022-11-02 20:52:28,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 246 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:52:28,567 INFO L231 Difference]: Finished difference. Result has 240 places, 245 transitions, 509 flow
[2022-11-02 20:52:28,568 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=509, PETRI_PLACES=240, PETRI_TRANSITIONS=245}
[2022-11-02 20:52:28,571 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -10 predicate places.
[2022-11-02 20:52:28,571 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 245 transitions, 509 flow
[2022-11-02 20:52:28,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 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)
[2022-11-02 20:52:28,572 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:28,572 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:28,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:52:28,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:28,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:28,574 INFO L85 PathProgramCache]: Analyzing trace with hash -958849692, now seen corresponding path program 1 times
[2022-11-02 20:52:28,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:28,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116178172]
[2022-11-02 20:52:28,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:28,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:28,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:28,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116178172]
[2022-11-02 20:52:28,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116178172] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:28,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:28,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:28,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851529281]
[2022-11-02 20:52:28,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:28,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:28,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:28,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:28,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:28,679 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 280
[2022-11-02 20:52:28,680 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 245 transitions, 509 flow. Second operand has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 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)
[2022-11-02 20:52:28,680 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:28,680 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 280
[2022-11-02 20:52:28,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:28,818 INFO L130 PetriNetUnfolder]: 45/685 cut-off events.
[2022-11-02 20:52:28,818 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2022-11-02 20:52:28,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 685 events. 45/685 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3690 event pairs, 8 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 628. Up to 36 conditions per place.
[2022-11-02 20:52:28,825 INFO L137 encePairwiseOnDemand]: 274/280 looper letters, 13 selfloop transitions, 3 changer transitions 0/246 dead transitions.
[2022-11-02 20:52:28,825 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 246 transitions, 544 flow
[2022-11-02 20:52:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 787 transitions.
[2022-11-02 20:52:28,828 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9369047619047619
[2022-11-02 20:52:28,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 787 transitions.
[2022-11-02 20:52:28,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 787 transitions.
[2022-11-02 20:52:28,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:28,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 787 transitions.
[2022-11-02 20:52:28,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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)
[2022-11-02 20:52:28,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:28,835 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:28,836 INFO L175 Difference]: Start difference. First operand has 240 places, 245 transitions, 509 flow. Second operand 3 states and 787 transitions.
[2022-11-02 20:52:28,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 246 transitions, 544 flow
[2022-11-02 20:52:28,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 246 transitions, 544 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:52:28,844 INFO L231 Difference]: Finished difference. Result has 240 places, 245 transitions, 524 flow
[2022-11-02 20:52:28,844 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=240, PETRI_TRANSITIONS=245}
[2022-11-02 20:52:28,847 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -10 predicate places.
[2022-11-02 20:52:28,847 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 245 transitions, 524 flow
[2022-11-02 20:52:28,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 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)
[2022-11-02 20:52:28,849 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:28,850 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:28,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:52:28,850 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:28,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:28,851 INFO L85 PathProgramCache]: Analyzing trace with hash 736974780, now seen corresponding path program 1 times
[2022-11-02 20:52:28,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:28,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513499849]
[2022-11-02 20:52:28,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:28,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:28,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:28,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513499849]
[2022-11-02 20:52:28,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513499849] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:28,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:28,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:28,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197473900]
[2022-11-02 20:52:28,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:28,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:28,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:28,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:28,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:28,948 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 280
[2022-11-02 20:52:28,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 245 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 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)
[2022-11-02 20:52:28,953 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:28,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 280
[2022-11-02 20:52:28,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:29,099 INFO L130 PetriNetUnfolder]: 30/755 cut-off events.
[2022-11-02 20:52:29,099 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES.
[2022-11-02 20:52:29,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 755 events. 30/755 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3798 event pairs, 3 based on Foata normal form. 0/678 useless extension candidates. Maximal degree in co-relation 684. Up to 32 conditions per place.
[2022-11-02 20:52:29,107 INFO L137 encePairwiseOnDemand]: 276/280 looper letters, 13 selfloop transitions, 2 changer transitions 0/248 dead transitions.
[2022-11-02 20:52:29,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 248 transitions, 563 flow
[2022-11-02 20:52:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 794 transitions.
[2022-11-02 20:52:29,111 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9452380952380952
[2022-11-02 20:52:29,111 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 794 transitions.
[2022-11-02 20:52:29,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 794 transitions.
[2022-11-02 20:52:29,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:29,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 794 transitions.
[2022-11-02 20:52:29,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.6666666666667) internal successors, (794), 3 states have internal predecessors, (794), 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)
[2022-11-02 20:52:29,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:29,117 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:29,118 INFO L175 Difference]: Start difference. First operand has 240 places, 245 transitions, 524 flow. Second operand 3 states and 794 transitions.
[2022-11-02 20:52:29,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 248 transitions, 563 flow
[2022-11-02 20:52:29,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 248 transitions, 563 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:52:29,125 INFO L231 Difference]: Finished difference. Result has 241 places, 245 transitions, 534 flow
[2022-11-02 20:52:29,126 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=241, PETRI_TRANSITIONS=245}
[2022-11-02 20:52:29,127 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -9 predicate places.
[2022-11-02 20:52:29,127 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 245 transitions, 534 flow
[2022-11-02 20:52:29,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 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)
[2022-11-02 20:52:29,128 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:29,128 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:29,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:52:29,129 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:29,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:29,129 INFO L85 PathProgramCache]: Analyzing trace with hash -436818561, now seen corresponding path program 1 times
[2022-11-02 20:52:29,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:29,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774415603]
[2022-11-02 20:52:29,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:29,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:29,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:29,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774415603]
[2022-11-02 20:52:29,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774415603] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:29,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:29,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:29,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619591601]
[2022-11-02 20:52:29,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:29,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:29,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:29,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:29,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:29,194 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 280
[2022-11-02 20:52:29,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 245 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 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)
[2022-11-02 20:52:29,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:29,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 280
[2022-11-02 20:52:29,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:29,361 INFO L130 PetriNetUnfolder]: 31/793 cut-off events.
[2022-11-02 20:52:29,361 INFO L131 PetriNetUnfolder]: For 9/11 co-relation queries the response was YES.
[2022-11-02 20:52:29,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 793 events. 31/793 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4154 event pairs, 4 based on Foata normal form. 1/719 useless extension candidates. Maximal degree in co-relation 739. Up to 33 conditions per place.
[2022-11-02 20:52:29,369 INFO L137 encePairwiseOnDemand]: 276/280 looper letters, 13 selfloop transitions, 2 changer transitions 0/248 dead transitions.
[2022-11-02 20:52:29,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 248 transitions, 573 flow
[2022-11-02 20:52:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 794 transitions.
[2022-11-02 20:52:29,373 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9452380952380952
[2022-11-02 20:52:29,373 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 794 transitions.
[2022-11-02 20:52:29,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 794 transitions.
[2022-11-02 20:52:29,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:29,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 794 transitions.
[2022-11-02 20:52:29,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.6666666666667) internal successors, (794), 3 states have internal predecessors, (794), 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)
[2022-11-02 20:52:29,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:29,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:29,382 INFO L175 Difference]: Start difference. First operand has 241 places, 245 transitions, 534 flow. Second operand 3 states and 794 transitions.
[2022-11-02 20:52:29,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 248 transitions, 573 flow
[2022-11-02 20:52:29,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 248 transitions, 573 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:52:29,394 INFO L231 Difference]: Finished difference. Result has 242 places, 245 transitions, 544 flow
[2022-11-02 20:52:29,395 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=242, PETRI_TRANSITIONS=245}
[2022-11-02 20:52:29,397 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -8 predicate places.
[2022-11-02 20:52:29,398 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 245 transitions, 544 flow
[2022-11-02 20:52:29,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 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)
[2022-11-02 20:52:29,399 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:29,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:29,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:52:29,399 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:29,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:29,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1186293536, now seen corresponding path program 1 times
[2022-11-02 20:52:29,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:29,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962216161]
[2022-11-02 20:52:29,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:29,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:29,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:29,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962216161]
[2022-11-02 20:52:29,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962216161] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:29,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:29,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:29,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517040279]
[2022-11-02 20:52:29,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:29,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:29,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:29,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:29,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:29,463 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 280
[2022-11-02 20:52:29,464 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 245 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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)
[2022-11-02 20:52:29,464 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:29,464 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 280
[2022-11-02 20:52:29,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:29,613 INFO L130 PetriNetUnfolder]: 34/744 cut-off events.
[2022-11-02 20:52:29,613 INFO L131 PetriNetUnfolder]: For 4/8 co-relation queries the response was YES.
[2022-11-02 20:52:29,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 744 events. 34/744 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3754 event pairs, 4 based on Foata normal form. 1/675 useless extension candidates. Maximal degree in co-relation 727. Up to 37 conditions per place.
[2022-11-02 20:52:29,621 INFO L137 encePairwiseOnDemand]: 277/280 looper letters, 16 selfloop transitions, 2 changer transitions 0/245 dead transitions.
[2022-11-02 20:52:29,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 245 transitions, 581 flow
[2022-11-02 20:52:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 781 transitions.
[2022-11-02 20:52:29,624 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9297619047619048
[2022-11-02 20:52:29,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 781 transitions.
[2022-11-02 20:52:29,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 781 transitions.
[2022-11-02 20:52:29,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:29,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 781 transitions.
[2022-11-02 20:52:29,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 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)
[2022-11-02 20:52:29,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:29,630 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:29,630 INFO L175 Difference]: Start difference. First operand has 242 places, 245 transitions, 544 flow. Second operand 3 states and 781 transitions.
[2022-11-02 20:52:29,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 245 transitions, 581 flow
[2022-11-02 20:52:29,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 245 transitions, 581 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:52:29,638 INFO L231 Difference]: Finished difference. Result has 243 places, 244 transitions, 546 flow
[2022-11-02 20:52:29,639 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=546, PETRI_PLACES=243, PETRI_TRANSITIONS=244}
[2022-11-02 20:52:29,640 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -7 predicate places.
[2022-11-02 20:52:29,640 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 244 transitions, 546 flow
[2022-11-02 20:52:29,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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)
[2022-11-02 20:52:29,641 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:29,641 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:29,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:52:29,642 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:29,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:29,642 INFO L85 PathProgramCache]: Analyzing trace with hash -511661425, now seen corresponding path program 1 times
[2022-11-02 20:52:29,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:29,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908397233]
[2022-11-02 20:52:29,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:29,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:30,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:30,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908397233]
[2022-11-02 20:52:30,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908397233] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:30,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:30,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:52:30,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745800538]
[2022-11-02 20:52:30,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:30,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:52:30,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:30,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:52:30,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:52:30,150 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 280
[2022-11-02 20:52:30,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 244 transitions, 546 flow. Second operand has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 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)
[2022-11-02 20:52:30,153 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:30,153 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 280
[2022-11-02 20:52:30,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:30,318 INFO L130 PetriNetUnfolder]: 22/609 cut-off events.
[2022-11-02 20:52:30,318 INFO L131 PetriNetUnfolder]: For 3/30 co-relation queries the response was YES.
[2022-11-02 20:52:30,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 609 events. 22/609 cut-off events. For 3/30 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2643 event pairs, 0 based on Foata normal form. 12/565 useless extension candidates. Maximal degree in co-relation 554. Up to 20 conditions per place.
[2022-11-02 20:52:30,325 INFO L137 encePairwiseOnDemand]: 275/280 looper letters, 15 selfloop transitions, 4 changer transitions 0/243 dead transitions.
[2022-11-02 20:52:30,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 243 transitions, 582 flow
[2022-11-02 20:52:30,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:52:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:52:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1520 transitions.
[2022-11-02 20:52:30,329 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048
[2022-11-02 20:52:30,329 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1520 transitions.
[2022-11-02 20:52:30,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1520 transitions.
[2022-11-02 20:52:30,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:30,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1520 transitions.
[2022-11-02 20:52:30,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.33333333333334) internal successors, (1520), 6 states have internal predecessors, (1520), 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)
[2022-11-02 20:52:30,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 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)
[2022-11-02 20:52:30,338 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 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)
[2022-11-02 20:52:30,339 INFO L175 Difference]: Start difference. First operand has 243 places, 244 transitions, 546 flow. Second operand 6 states and 1520 transitions.
[2022-11-02 20:52:30,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 243 transitions, 582 flow
[2022-11-02 20:52:30,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 243 transitions, 578 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:52:30,345 INFO L231 Difference]: Finished difference. Result has 245 places, 243 transitions, 548 flow
[2022-11-02 20:52:30,345 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=548, PETRI_PLACES=245, PETRI_TRANSITIONS=243}
[2022-11-02 20:52:30,346 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -5 predicate places.
[2022-11-02 20:52:30,346 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 243 transitions, 548 flow
[2022-11-02 20:52:30,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 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)
[2022-11-02 20:52:30,348 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:30,348 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:30,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-11-02 20:52:30,348 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:30,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:30,349 INFO L85 PathProgramCache]: Analyzing trace with hash -729709132, now seen corresponding path program 1 times
[2022-11-02 20:52:30,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:30,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821774645]
[2022-11-02 20:52:30,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:30,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:30,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:30,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821774645]
[2022-11-02 20:52:30,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821774645] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:30,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:30,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:30,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007750602]
[2022-11-02 20:52:30,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:30,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:30,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:30,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:30,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:30,387 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 280
[2022-11-02 20:52:30,389 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 243 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 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)
[2022-11-02 20:52:30,389 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:30,389 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 280
[2022-11-02 20:52:30,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:30,514 INFO L130 PetriNetUnfolder]: 38/649 cut-off events.
[2022-11-02 20:52:30,515 INFO L131 PetriNetUnfolder]: For 20/22 co-relation queries the response was YES.
[2022-11-02 20:52:30,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 649 events. 38/649 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3023 event pairs, 4 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 719. Up to 57 conditions per place.
[2022-11-02 20:52:30,521 INFO L137 encePairwiseOnDemand]: 277/280 looper letters, 15 selfloop transitions, 2 changer transitions 0/243 dead transitions.
[2022-11-02 20:52:30,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 243 transitions, 583 flow
[2022-11-02 20:52:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions.
[2022-11-02 20:52:30,524 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9285714285714286
[2022-11-02 20:52:30,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 780 transitions.
[2022-11-02 20:52:30,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 780 transitions.
[2022-11-02 20:52:30,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:30,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 780 transitions.
[2022-11-02 20:52:30,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 260.0) internal successors, (780), 3 states have internal predecessors, (780), 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)
[2022-11-02 20:52:30,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:30,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:30,530 INFO L175 Difference]: Start difference. First operand has 245 places, 243 transitions, 548 flow. Second operand 3 states and 780 transitions.
[2022-11-02 20:52:30,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 243 transitions, 583 flow
[2022-11-02 20:52:30,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 243 transitions, 576 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:52:30,536 INFO L231 Difference]: Finished difference. Result has 242 places, 242 transitions, 543 flow
[2022-11-02 20:52:30,537 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=543, PETRI_PLACES=242, PETRI_TRANSITIONS=242}
[2022-11-02 20:52:30,538 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -8 predicate places.
[2022-11-02 20:52:30,538 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 242 transitions, 543 flow
[2022-11-02 20:52:30,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 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)
[2022-11-02 20:52:30,539 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:30,539 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:30,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-02 20:52:30,539 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:30,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:30,540 INFO L85 PathProgramCache]: Analyzing trace with hash 505908708, now seen corresponding path program 1 times
[2022-11-02 20:52:30,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:30,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484939972]
[2022-11-02 20:52:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:31,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:31,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484939972]
[2022-11-02 20:52:31,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484939972] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:31,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:31,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:52:31,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049523855]
[2022-11-02 20:52:31,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:31,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:52:31,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:31,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:52:31,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:52:31,082 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 280
[2022-11-02 20:52:31,084 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 242 transitions, 543 flow. Second operand has 6 states, 6 states have (on average 252.83333333333334) internal successors, (1517), 6 states have internal predecessors, (1517), 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)
[2022-11-02 20:52:31,084 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:31,084 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 280
[2022-11-02 20:52:31,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:31,254 INFO L130 PetriNetUnfolder]: 22/597 cut-off events.
[2022-11-02 20:52:31,254 INFO L131 PetriNetUnfolder]: For 3/29 co-relation queries the response was YES.
[2022-11-02 20:52:31,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 597 events. 22/597 cut-off events. For 3/29 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2540 event pairs, 0 based on Foata normal form. 4/557 useless extension candidates. Maximal degree in co-relation 620. Up to 15 conditions per place.
[2022-11-02 20:52:31,261 INFO L137 encePairwiseOnDemand]: 275/280 looper letters, 14 selfloop transitions, 4 changer transitions 0/241 dead transitions.
[2022-11-02 20:52:31,261 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 241 transitions, 577 flow
[2022-11-02 20:52:31,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:52:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:52:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1519 transitions.
[2022-11-02 20:52:31,266 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9041666666666667
[2022-11-02 20:52:31,266 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1519 transitions.
[2022-11-02 20:52:31,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1519 transitions.
[2022-11-02 20:52:31,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:31,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1519 transitions.
[2022-11-02 20:52:31,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.16666666666666) internal successors, (1519), 6 states have internal predecessors, (1519), 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)
[2022-11-02 20:52:31,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 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)
[2022-11-02 20:52:31,277 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 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)
[2022-11-02 20:52:31,277 INFO L175 Difference]: Start difference. First operand has 242 places, 242 transitions, 543 flow. Second operand 6 states and 1519 transitions.
[2022-11-02 20:52:31,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 241 transitions, 577 flow
[2022-11-02 20:52:31,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 241 transitions, 573 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:52:31,285 INFO L231 Difference]: Finished difference. Result has 244 places, 241 transitions, 545 flow
[2022-11-02 20:52:31,285 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=545, PETRI_PLACES=244, PETRI_TRANSITIONS=241}
[2022-11-02 20:52:31,286 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -6 predicate places.
[2022-11-02 20:52:31,287 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 241 transitions, 545 flow
[2022-11-02 20:52:31,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 252.83333333333334) internal successors, (1517), 6 states have internal predecessors, (1517), 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)
[2022-11-02 20:52:31,306 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:31,307 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:31,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-11-02 20:52:31,307 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:31,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:31,308 INFO L85 PathProgramCache]: Analyzing trace with hash 948636512, now seen corresponding path program 1 times
[2022-11-02 20:52:31,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:31,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453427105]
[2022-11-02 20:52:31,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:31,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:31,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:31,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453427105]
[2022-11-02 20:52:31,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453427105] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:31,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:31,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:31,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52313630]
[2022-11-02 20:52:31,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:31,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:31,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:31,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:31,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:31,392 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 280
[2022-11-02 20:52:31,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 241 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 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)
[2022-11-02 20:52:31,395 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:31,395 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 280
[2022-11-02 20:52:31,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:31,534 INFO L130 PetriNetUnfolder]: 30/715 cut-off events.
[2022-11-02 20:52:31,534 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES.
[2022-11-02 20:52:31,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 715 events. 30/715 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3503 event pairs, 4 based on Foata normal form. 0/668 useless extension candidates. Maximal degree in co-relation 711. Up to 19 conditions per place.
[2022-11-02 20:52:31,540 INFO L137 encePairwiseOnDemand]: 276/280 looper letters, 11 selfloop transitions, 1 changer transitions 0/238 dead transitions.
[2022-11-02 20:52:31,541 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 238 transitions, 563 flow
[2022-11-02 20:52:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:31,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 783 transitions.
[2022-11-02 20:52:31,543 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9321428571428572
[2022-11-02 20:52:31,544 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 783 transitions.
[2022-11-02 20:52:31,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 783 transitions.
[2022-11-02 20:52:31,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:31,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 783 transitions.
[2022-11-02 20:52:31,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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)
[2022-11-02 20:52:31,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:31,549 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:31,549 INFO L175 Difference]: Start difference. First operand has 244 places, 241 transitions, 545 flow. Second operand 3 states and 783 transitions.
[2022-11-02 20:52:31,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 238 transitions, 563 flow
[2022-11-02 20:52:31,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 238 transitions, 556 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:52:31,556 INFO L231 Difference]: Finished difference. Result has 239 places, 238 transitions, 534 flow
[2022-11-02 20:52:31,557 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=239, PETRI_TRANSITIONS=238}
[2022-11-02 20:52:31,558 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -11 predicate places.
[2022-11-02 20:52:31,558 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 238 transitions, 534 flow
[2022-11-02 20:52:31,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 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)
[2022-11-02 20:52:31,559 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:31,559 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:31,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-11-02 20:52:31,560 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:31,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:31,560 INFO L85 PathProgramCache]: Analyzing trace with hash 22942183, now seen corresponding path program 1 times
[2022-11-02 20:52:31,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:31,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190653112]
[2022-11-02 20:52:31,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:31,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:31,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:31,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190653112]
[2022-11-02 20:52:31,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190653112] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:31,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:31,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:52:31,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697547697]
[2022-11-02 20:52:31,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:31,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:31,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:31,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:31,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:31,650 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 280
[2022-11-02 20:52:31,651 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 238 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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)
[2022-11-02 20:52:31,651 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:31,652 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 280
[2022-11-02 20:52:31,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:31,869 INFO L130 PetriNetUnfolder]: 37/1207 cut-off events.
[2022-11-02 20:52:31,869 INFO L131 PetriNetUnfolder]: For 15/16 co-relation queries the response was YES.
[2022-11-02 20:52:31,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 1207 events. 37/1207 cut-off events. For 15/16 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8163 event pairs, 6 based on Foata normal form. 0/1134 useless extension candidates. Maximal degree in co-relation 1246. Up to 32 conditions per place.
[2022-11-02 20:52:31,879 INFO L137 encePairwiseOnDemand]: 274/280 looper letters, 15 selfloop transitions, 3 changer transitions 0/244 dead transitions.
[2022-11-02 20:52:31,879 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 244 transitions, 585 flow
[2022-11-02 20:52:31,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions.
[2022-11-02 20:52:31,883 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9535714285714286
[2022-11-02 20:52:31,883 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 801 transitions.
[2022-11-02 20:52:31,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 801 transitions.
[2022-11-02 20:52:31,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:31,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 801 transitions.
[2022-11-02 20:52:31,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.0) internal successors, (801), 3 states have internal predecessors, (801), 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)
[2022-11-02 20:52:31,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:31,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:31,890 INFO L175 Difference]: Start difference. First operand has 239 places, 238 transitions, 534 flow. Second operand 3 states and 801 transitions.
[2022-11-02 20:52:31,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 244 transitions, 585 flow
[2022-11-02 20:52:31,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 244 transitions, 584 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-02 20:52:31,897 INFO L231 Difference]: Finished difference. Result has 242 places, 241 transitions, 563 flow
[2022-11-02 20:52:31,897 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=563, PETRI_PLACES=242, PETRI_TRANSITIONS=241}
[2022-11-02 20:52:31,898 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -8 predicate places.
[2022-11-02 20:52:31,899 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 241 transitions, 563 flow
[2022-11-02 20:52:31,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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)
[2022-11-02 20:52:31,899 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:31,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:31,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-11-02 20:52:31,900 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:31,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:31,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1807002735, now seen corresponding path program 1 times
[2022-11-02 20:52:31,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:31,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730115565]
[2022-11-02 20:52:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:31,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:31,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:31,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730115565]
[2022-11-02 20:52:31,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730115565] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:31,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:31,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:52:31,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647778779]
[2022-11-02 20:52:31,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:31,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:31,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:31,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:31,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:31,986 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 280
[2022-11-02 20:52:31,987 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 241 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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)
[2022-11-02 20:52:31,987 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:31,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 280
[2022-11-02 20:52:31,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:32,160 INFO L130 PetriNetUnfolder]: 34/986 cut-off events.
[2022-11-02 20:52:32,160 INFO L131 PetriNetUnfolder]: For 55/64 co-relation queries the response was YES.
[2022-11-02 20:52:32,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 986 events. 34/986 cut-off events. For 55/64 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5917 event pairs, 5 based on Foata normal form. 5/939 useless extension candidates. Maximal degree in co-relation 1000. Up to 25 conditions per place.
[2022-11-02 20:52:32,169 INFO L137 encePairwiseOnDemand]: 272/280 looper letters, 16 selfloop transitions, 5 changer transitions 2/247 dead transitions.
[2022-11-02 20:52:32,170 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 247 transitions, 626 flow
[2022-11-02 20:52:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions.
[2022-11-02 20:52:32,173 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9535714285714286
[2022-11-02 20:52:32,173 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 801 transitions.
[2022-11-02 20:52:32,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 801 transitions.
[2022-11-02 20:52:32,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:32,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 801 transitions.
[2022-11-02 20:52:32,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.0) internal successors, (801), 3 states have internal predecessors, (801), 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)
[2022-11-02 20:52:32,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:32,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:32,179 INFO L175 Difference]: Start difference. First operand has 242 places, 241 transitions, 563 flow. Second operand 3 states and 801 transitions.
[2022-11-02 20:52:32,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 247 transitions, 626 flow
[2022-11-02 20:52:32,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 247 transitions, 623 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-02 20:52:32,186 INFO L231 Difference]: Finished difference. Result has 245 places, 242 transitions, 600 flow
[2022-11-02 20:52:32,187 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=245, PETRI_TRANSITIONS=242}
[2022-11-02 20:52:32,188 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -5 predicate places.
[2022-11-02 20:52:32,188 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 242 transitions, 600 flow
[2022-11-02 20:52:32,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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)
[2022-11-02 20:52:32,189 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:52:32,189 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:32,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-11-02 20:52:32,190 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2022-11-02 20:52:32,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:32,190 INFO L85 PathProgramCache]: Analyzing trace with hash -404145273, now seen corresponding path program 1 times
[2022-11-02 20:52:32,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:32,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359025815]
[2022-11-02 20:52:32,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:32,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:32,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:32,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359025815]
[2022-11-02 20:52:32,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359025815] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:32,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:32,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755373441]
[2022-11-02 20:52:32,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:32,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:52:32,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:32,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:52:32,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:52:32,269 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 280
[2022-11-02 20:52:32,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 242 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 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)
[2022-11-02 20:52:32,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:52:32,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 280
[2022-11-02 20:52:32,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:52:32,444 INFO L130 PetriNetUnfolder]: 38/956 cut-off events.
[2022-11-02 20:52:32,444 INFO L131 PetriNetUnfolder]: For 44/61 co-relation queries the response was YES.
[2022-11-02 20:52:32,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1168 conditions, 956 events. 38/956 cut-off events. For 44/61 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5518 event pairs, 6 based on Foata normal form. 3/916 useless extension candidates. Maximal degree in co-relation 1085. Up to 67 conditions per place.
[2022-11-02 20:52:32,451 INFO L137 encePairwiseOnDemand]: 274/280 looper letters, 0 selfloop transitions, 0 changer transitions 241/241 dead transitions.
[2022-11-02 20:52:32,452 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 241 transitions, 624 flow
[2022-11-02 20:52:32,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:52:32,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:52:32,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions.
[2022-11-02 20:52:32,455 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333
[2022-11-02 20:52:32,455 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions.
[2022-11-02 20:52:32,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions.
[2022-11-02 20:52:32,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:52:32,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions.
[2022-11-02 20:52:32,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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)
[2022-11-02 20:52:32,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:32,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 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)
[2022-11-02 20:52:32,461 INFO L175 Difference]: Start difference. First operand has 245 places, 242 transitions, 600 flow. Second operand 3 states and 784 transitions.
[2022-11-02 20:52:32,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 241 transitions, 624 flow
[2022-11-02 20:52:32,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 241 transitions, 608 flow, removed 3 selfloop flow, removed 2 redundant places.
[2022-11-02 20:52:32,467 INFO L231 Difference]: Finished difference. Result has 240 places, 0 transitions, 0 flow
[2022-11-02 20:52:32,468 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=240, PETRI_TRANSITIONS=0}
[2022-11-02 20:52:32,469 INFO L287 CegarLoopForPetriNet]: 250 programPoint places, -10 predicate places.
[2022-11-02 20:52:32,469 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 0 transitions, 0 flow
[2022-11-02 20:52:32,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 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)
[2022-11-02 20:52:32,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining)
[2022-11-02 20:52:32,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining)
[2022-11-02 20:52:32,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining)
[2022-11-02 20:52:32,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining)
[2022-11-02 20:52:32,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining)
[2022-11-02 20:52:32,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining)
[2022-11-02 20:52:32,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining)
[2022-11-02 20:52:32,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining)
[2022-11-02 20:52:32,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining)
[2022-11-02 20:52:32,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining)
[2022-11-02 20:52:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining)
[2022-11-02 20:52:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining)
[2022-11-02 20:52:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining)
[2022-11-02 20:52:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining)
[2022-11-02 20:52:32,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining)
[2022-11-02 20:52:32,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining)
[2022-11-02 20:52:32,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining)
[2022-11-02 20:52:32,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining)
[2022-11-02 20:52:32,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining)
[2022-11-02 20:52:32,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining)
[2022-11-02 20:52:32,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining)
[2022-11-02 20:52:32,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining)
[2022-11-02 20:52:32,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining)
[2022-11-02 20:52:32,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining)
[2022-11-02 20:52:32,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining)
[2022-11-02 20:52:32,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining)
[2022-11-02 20:52:32,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining)
[2022-11-02 20:52:32,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining)
[2022-11-02 20:52:32,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining)
[2022-11-02 20:52:32,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining)
[2022-11-02 20:52:32,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining)
[2022-11-02 20:52:32,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining)
[2022-11-02 20:52:32,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining)
[2022-11-02 20:52:32,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining)
[2022-11-02 20:52:32,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining)
[2022-11-02 20:52:32,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining)
[2022-11-02 20:52:32,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining)
[2022-11-02 20:52:32,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining)
[2022-11-02 20:52:32,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-11-02 20:52:32,483 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:32,490 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 20:52:32,490 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:52:32,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:52:32 BasicIcfg
[2022-11-02 20:52:32,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:52:32,497 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:52:32,497 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:52:32,497 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:52:32,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:26" (3/4) ...
[2022-11-02 20:52:32,501 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:52:32,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2022-11-02 20:52:32,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2022-11-02 20:52:32,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2022-11-02 20:52:32,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-02 20:52:32,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:52:32,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:52:32,558 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:52:32,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:52:32,559 INFO L158 Benchmark]: Toolchain (without parser) took 7827.54ms. Allocated memory was 119.5MB in the beginning and 180.4MB in the end (delta: 60.8MB). Free memory was 81.1MB in the beginning and 92.3MB in the end (delta: -11.2MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB.
[2022-11-02 20:52:32,559 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory was 98.7MB in the beginning and 98.6MB in the end (delta: 86.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:52:32,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.06ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 93.6MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:52:32,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.00ms. Allocated memory is still 119.5MB. Free memory was 93.6MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:52:32,561 INFO L158 Benchmark]: Boogie Preprocessor took 55.97ms. Allocated memory is still 119.5MB. Free memory was 91.6MB in the beginning and 89.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:52:32,561 INFO L158 Benchmark]: RCFGBuilder took 711.52ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 68.8MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2022-11-02 20:52:32,561 INFO L158 Benchmark]: TraceAbstraction took 6454.79ms. Allocated memory was 119.5MB in the beginning and 180.4MB in the end (delta: 60.8MB). Free memory was 68.1MB in the beginning and 95.5MB in the end (delta: -27.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB.
[2022-11-02 20:52:32,562 INFO L158 Benchmark]: Witness Printer took 61.65ms. Allocated memory is still 180.4MB. Free memory was 95.5MB in the beginning and 92.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:52:32,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory was 98.7MB in the beginning and 98.6MB in the end (delta: 86.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 474.06ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 93.6MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.00ms. Allocated memory is still 119.5MB. Free memory was 93.6MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 55.97ms. Allocated memory is still 119.5MB. Free memory was 91.6MB in the beginning and 89.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 711.52ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 68.8MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 6454.79ms. Allocated memory was 119.5MB in the beginning and 180.4MB in the end (delta: 60.8MB). Free memory was 68.1MB in the beginning and 95.5MB in the end (delta: -27.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB.
* Witness Printer took 61.65ms. Allocated memory is still 180.4MB. Free memory was 95.5MB in the beginning and 92.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 58]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 59]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 60]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 61]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 66]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 69]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 69]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 70]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 70]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 71]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 71]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 389 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.2s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 140 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=600occurred in iteration=15, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1144 NumberOfCodeBlocks, 1144 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1128 ConstructedInterpolants, 0 QuantifiedInterpolants, 1452 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
24 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:52:32,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0248b0fb-d8cf-4442-b4f3-58031aaf08f6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE