./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33c040d0fbd9b1f189d3917c569371e7923ba6ef4820715ff1ef4976213f5b31 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:51,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:51,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:46:51,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:51,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:51,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:51,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:51,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:51,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:51,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:51,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:51,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:51,338 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:51,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:51,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:51,340 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:51,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:51,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:51,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:51,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:51,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:51,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:51,344 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:46:51,344 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:51,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:51,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:51,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:51,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:51,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:51,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:51,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:51,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:51,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:51,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:51,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:51,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:51,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:51,351 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:51,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:51,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:51,352 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:51,352 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33c040d0fbd9b1f189d3917c569371e7923ba6ef4820715ff1ef4976213f5b31 [2023-11-19 07:46:51,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:51,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:51,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:51,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:51,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:51,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i [2023-11-19 07:46:54,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:55,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:55,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i [2023-11-19 07:46:55,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/data/c3eb4a2d0/d60c1c85d201465c98765f0e68334210/FLAG83daece13 [2023-11-19 07:46:55,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/data/c3eb4a2d0/d60c1c85d201465c98765f0e68334210 [2023-11-19 07:46:55,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:55,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:55,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:55,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:55,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:55,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:55" (1/1) ... [2023-11-19 07:46:55,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46aa421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:55, skipping insertion in model container [2023-11-19 07:46:55,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:55" (1/1) ... [2023-11-19 07:46:55,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:55,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:55,936 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:56,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:56,096 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:56,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56 WrapperNode [2023-11-19 07:46:56,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:56,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:56,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:56,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:56,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,189 INFO L138 Inliner]: procedures = 178, calls = 43, calls flagged for inlining = 35, calls inlined = 46, statements flattened = 483 [2023-11-19 07:46:56,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:56,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:56,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:56,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:56,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:56,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:56,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:56,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:56,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (1/1) ... [2023-11-19 07:46:56,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:56,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a506efb-611e-478c-8fe1-ca7e9880ec5c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 07:46:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 07:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:46:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:56,359 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:46:56,517 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:56,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:57,314 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:57,527 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:57,529 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 07:46:57,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:57 BoogieIcfgContainer [2023-11-19 07:46:57,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:57,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:57,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:57,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:57,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:55" (1/3) ... [2023-11-19 07:46:57,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3a9e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:57, skipping insertion in model container [2023-11-19 07:46:57,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:56" (2/3) ... [2023-11-19 07:46:57,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3a9e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:57, skipping insertion in model container [2023-11-19 07:46:57,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:57" (3/3) ... [2023-11-19 07:46:57,557 INFO L112 eAbstractionObserver]: Analyzing ICFG 44_Solaris_space_map_sliced.i [2023-11-19 07:46:57,568 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:46:57,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:57,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-11-19 07:46:57,580 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:46:57,717 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:46:57,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 355 places, 414 transitions, 832 flow [2023-11-19 07:46:57,979 INFO L124 PetriNetUnfolderBase]: 63/425 cut-off events. [2023-11-19 07:46:57,979 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:46:57,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 425 events. 63/425 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1683 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 399. Up to 9 conditions per place. [2023-11-19 07:46:57,997 INFO L82 GeneralOperation]: Start removeDead. Operand has 355 places, 414 transitions, 832 flow [2023-11-19 07:46:58,013 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 355 places, 414 transitions, 832 flow [2023-11-19 07:46:58,017 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:46:58,045 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 355 places, 414 transitions, 832 flow [2023-11-19 07:46:58,049 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 355 places, 414 transitions, 832 flow [2023-11-19 07:46:58,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 355 places, 414 transitions, 832 flow [2023-11-19 07:46:58,138 INFO L124 PetriNetUnfolderBase]: 63/425 cut-off events. [2023-11-19 07:46:58,139 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:46:58,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 425 events. 63/425 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1683 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 399. Up to 9 conditions per place. [2023-11-19 07:46:58,153 INFO L119 LiptonReduction]: Number of co-enabled transitions 10808 [2023-11-19 07:47:11,893 INFO L134 LiptonReduction]: Checked pairs total: 12241 [2023-11-19 07:47:11,898 INFO L136 LiptonReduction]: Total number of compositions: 721 [2023-11-19 07:47:11,935 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:11,944 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65aa986d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:11,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2023-11-19 07:47:11,948 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:47:11,948 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-11-19 07:47:11,948 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:11,948 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:11,949 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-19 07:47:11,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-11-19 07:47:11,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:11,957 INFO L85 PathProgramCache]: Analyzing trace with hash 77769478, now seen corresponding path program 1 times [2023-11-19 07:47:11,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:11,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520276667] [2023-11-19 07:47:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:11,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:12,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:12,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520276667] [2023-11-19 07:47:12,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520276667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:12,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:12,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:47:12,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045814622] [2023-11-19 07:47:12,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:12,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:12,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:12,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:12,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:12,247 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 1135 [2023-11-19 07:47:12,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 77 transitions, 158 flow. Second operand has 2 states, 2 states have (on average 333.0) internal successors, (666), 2 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:12,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:12,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 1135 [2023-11-19 07:47:12,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:12,325 INFO L124 PetriNetUnfolderBase]: 30/57 cut-off events. [2023-11-19 07:47:12,325 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:12,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 57 events. 30/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 138 event pairs, 12 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 103. Up to 54 conditions per place. [2023-11-19 07:47:12,327 INFO L140 encePairwiseOnDemand]: 1076/1135 looper letters, 16 selfloop transitions, 0 changer transitions 0/18 dead transitions. [2023-11-19 07:47:12,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 18 transitions, 72 flow [2023-11-19 07:47:12,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:47:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 737 transitions. [2023-11-19 07:47:12,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3246696035242291 [2023-11-19 07:47:12,358 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 737 transitions. [2023-11-19 07:47:12,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 737 transitions. [2023-11-19 07:47:12,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:12,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 737 transitions. [2023-11-19 07:47:12,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 368.5) internal successors, (737), 2 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:12,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1135.0) internal successors, (3405), 3 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:12,412 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1135.0) internal successors, (3405), 3 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:12,415 INFO L175 Difference]: Start difference. First operand has 71 places, 77 transitions, 158 flow. Second operand 2 states and 737 transitions. [2023-11-19 07:47:12,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 18 transitions, 72 flow [2023-11-19 07:47:12,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 18 transitions, 72 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:47:12,420 INFO L231 Difference]: Finished difference. Result has 16 places, 18 transitions, 40 flow [2023-11-19 07:47:12,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1135, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=16, PETRI_TRANSITIONS=18} [2023-11-19 07:47:12,427 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -55 predicate places. [2023-11-19 07:47:12,427 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 18 transitions, 40 flow [2023-11-19 07:47:12,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 333.0) internal successors, (666), 2 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:12,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:12,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:47:12,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:47:12,430 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err53ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-11-19 07:47:12,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:12,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1884089780, now seen corresponding path program 1 times [2023-11-19 07:47:12,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:12,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021706388] [2023-11-19 07:47:12,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:12,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:12,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:12,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021706388] [2023-11-19 07:47:12,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021706388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:12,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:12,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:12,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116121787] [2023-11-19 07:47:12,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:12,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:12,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:12,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:12,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:12,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 1135 [2023-11-19 07:47:12,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 18 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:12,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:12,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 1135 [2023-11-19 07:47:12,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:13,017 INFO L124 PetriNetUnfolderBase]: 30/54 cut-off events. [2023-11-19 07:47:13,017 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:13,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 54 events. 30/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 115 event pairs, 2 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 109. Up to 43 conditions per place. [2023-11-19 07:47:13,018 INFO L140 encePairwiseOnDemand]: 1129/1135 looper letters, 13 selfloop transitions, 5 changer transitions 0/19 dead transitions. [2023-11-19 07:47:13,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 19 transitions, 78 flow [2023-11-19 07:47:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:47:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 868 transitions. [2023-11-19 07:47:13,024 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2549192364170338 [2023-11-19 07:47:13,024 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 868 transitions. [2023-11-19 07:47:13,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 868 transitions. [2023-11-19 07:47:13,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:13,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 868 transitions. [2023-11-19 07:47:13,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:13,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1135.0) internal successors, (4540), 4 states have internal predecessors, (4540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:13,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1135.0) internal successors, (4540), 4 states have internal predecessors, (4540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:13,043 INFO L175 Difference]: Start difference. First operand has 16 places, 18 transitions, 40 flow. Second operand 3 states and 868 transitions. [2023-11-19 07:47:13,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 19 transitions, 78 flow [2023-11-19 07:47:13,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 19 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:47:13,045 INFO L231 Difference]: Finished difference. Result has 17 places, 17 transitions, 48 flow [2023-11-19 07:47:13,045 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1135, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=17, PETRI_TRANSITIONS=17} [2023-11-19 07:47:13,046 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -54 predicate places. [2023-11-19 07:47:13,047 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 17 transitions, 48 flow [2023-11-19 07:47:13,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:13,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:13,048 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-11-19 07:47:13,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:47:13,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-11-19 07:47:13,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:13,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1722240969, now seen corresponding path program 1 times [2023-11-19 07:47:13,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:13,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690653661] [2023-11-19 07:47:13,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:13,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:13,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:13,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:13,116 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:13,118 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (112 of 113 remaining) [2023-11-19 07:47:13,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (111 of 113 remaining) [2023-11-19 07:47:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (110 of 113 remaining) [2023-11-19 07:47:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (109 of 113 remaining) [2023-11-19 07:47:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (108 of 113 remaining) [2023-11-19 07:47:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (107 of 113 remaining) [2023-11-19 07:47:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (106 of 113 remaining) [2023-11-19 07:47:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (105 of 113 remaining) [2023-11-19 07:47:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (104 of 113 remaining) [2023-11-19 07:47:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (103 of 113 remaining) [2023-11-19 07:47:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (102 of 113 remaining) [2023-11-19 07:47:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (101 of 113 remaining) [2023-11-19 07:47:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (100 of 113 remaining) [2023-11-19 07:47:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (99 of 113 remaining) [2023-11-19 07:47:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (98 of 113 remaining) [2023-11-19 07:47:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (97 of 113 remaining) [2023-11-19 07:47:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (96 of 113 remaining) [2023-11-19 07:47:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (95 of 113 remaining) [2023-11-19 07:47:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (94 of 113 remaining) [2023-11-19 07:47:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (93 of 113 remaining) [2023-11-19 07:47:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (92 of 113 remaining) [2023-11-19 07:47:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (91 of 113 remaining) [2023-11-19 07:47:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (90 of 113 remaining) [2023-11-19 07:47:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (89 of 113 remaining) [2023-11-19 07:47:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (88 of 113 remaining) [2023-11-19 07:47:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (87 of 113 remaining) [2023-11-19 07:47:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (86 of 113 remaining) [2023-11-19 07:47:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (85 of 113 remaining) [2023-11-19 07:47:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (84 of 113 remaining) [2023-11-19 07:47:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (83 of 113 remaining) [2023-11-19 07:47:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (82 of 113 remaining) [2023-11-19 07:47:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (81 of 113 remaining) [2023-11-19 07:47:13,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (80 of 113 remaining) [2023-11-19 07:47:13,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (79 of 113 remaining) [2023-11-19 07:47:13,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (78 of 113 remaining) [2023-11-19 07:47:13,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (77 of 113 remaining) [2023-11-19 07:47:13,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (76 of 113 remaining) [2023-11-19 07:47:13,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (75 of 113 remaining) [2023-11-19 07:47:13,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (74 of 113 remaining) [2023-11-19 07:47:13,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (73 of 113 remaining) [2023-11-19 07:47:13,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (72 of 113 remaining) [2023-11-19 07:47:13,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (71 of 113 remaining) [2023-11-19 07:47:13,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (70 of 113 remaining) [2023-11-19 07:47:13,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (69 of 113 remaining) [2023-11-19 07:47:13,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (68 of 113 remaining) [2023-11-19 07:47:13,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (67 of 113 remaining) [2023-11-19 07:47:13,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (66 of 113 remaining) [2023-11-19 07:47:13,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (65 of 113 remaining) [2023-11-19 07:47:13,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (64 of 113 remaining) [2023-11-19 07:47:13,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (63 of 113 remaining) [2023-11-19 07:47:13,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (62 of 113 remaining) [2023-11-19 07:47:13,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (61 of 113 remaining) [2023-11-19 07:47:13,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (60 of 113 remaining) [2023-11-19 07:47:13,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (59 of 113 remaining) [2023-11-19 07:47:13,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (58 of 113 remaining) [2023-11-19 07:47:13,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (57 of 113 remaining) [2023-11-19 07:47:13,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (56 of 113 remaining) [2023-11-19 07:47:13,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (55 of 113 remaining) [2023-11-19 07:47:13,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (54 of 113 remaining) [2023-11-19 07:47:13,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (53 of 113 remaining) [2023-11-19 07:47:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (52 of 113 remaining) [2023-11-19 07:47:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (51 of 113 remaining) [2023-11-19 07:47:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (50 of 113 remaining) [2023-11-19 07:47:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (49 of 113 remaining) [2023-11-19 07:47:13,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (48 of 113 remaining) [2023-11-19 07:47:13,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 113 remaining) [2023-11-19 07:47:13,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (46 of 113 remaining) [2023-11-19 07:47:13,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (45 of 113 remaining) [2023-11-19 07:47:13,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (44 of 113 remaining) [2023-11-19 07:47:13,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (43 of 113 remaining) [2023-11-19 07:47:13,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (42 of 113 remaining) [2023-11-19 07:47:13,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (41 of 113 remaining) [2023-11-19 07:47:13,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (40 of 113 remaining) [2023-11-19 07:47:13,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (39 of 113 remaining) [2023-11-19 07:47:13,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (38 of 113 remaining) [2023-11-19 07:47:13,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (37 of 113 remaining) [2023-11-19 07:47:13,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (36 of 113 remaining) [2023-11-19 07:47:13,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 113 remaining) [2023-11-19 07:47:13,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (34 of 113 remaining) [2023-11-19 07:47:13,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (33 of 113 remaining) [2023-11-19 07:47:13,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (32 of 113 remaining) [2023-11-19 07:47:13,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 113 remaining) [2023-11-19 07:47:13,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (30 of 113 remaining) [2023-11-19 07:47:13,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (29 of 113 remaining) [2023-11-19 07:47:13,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (28 of 113 remaining) [2023-11-19 07:47:13,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (27 of 113 remaining) [2023-11-19 07:47:13,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (26 of 113 remaining) [2023-11-19 07:47:13,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (25 of 113 remaining) [2023-11-19 07:47:13,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (24 of 113 remaining) [2023-11-19 07:47:13,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (23 of 113 remaining) [2023-11-19 07:47:13,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (22 of 113 remaining) [2023-11-19 07:47:13,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (21 of 113 remaining) [2023-11-19 07:47:13,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (20 of 113 remaining) [2023-11-19 07:47:13,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (19 of 113 remaining) [2023-11-19 07:47:13,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (18 of 113 remaining) [2023-11-19 07:47:13,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (17 of 113 remaining) [2023-11-19 07:47:13,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (16 of 113 remaining) [2023-11-19 07:47:13,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (15 of 113 remaining) [2023-11-19 07:47:13,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (14 of 113 remaining) [2023-11-19 07:47:13,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (13 of 113 remaining) [2023-11-19 07:47:13,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (12 of 113 remaining) [2023-11-19 07:47:13,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 113 remaining) [2023-11-19 07:47:13,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (10 of 113 remaining) [2023-11-19 07:47:13,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (9 of 113 remaining) [2023-11-19 07:47:13,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (8 of 113 remaining) [2023-11-19 07:47:13,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (7 of 113 remaining) [2023-11-19 07:47:13,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (6 of 113 remaining) [2023-11-19 07:47:13,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (5 of 113 remaining) [2023-11-19 07:47:13,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (4 of 113 remaining) [2023-11-19 07:47:13,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (3 of 113 remaining) [2023-11-19 07:47:13,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (2 of 113 remaining) [2023-11-19 07:47:13,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (1 of 113 remaining) [2023-11-19 07:47:13,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (0 of 113 remaining) [2023-11-19 07:47:13,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:47:13,165 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:47:13,168 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 07:47:13,169 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-19 07:47:13,239 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:47:13,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 683 places, 801 transitions, 1612 flow [2023-11-19 07:47:13,655 INFO L124 PetriNetUnfolderBase]: 125/825 cut-off events. [2023-11-19 07:47:13,655 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:47:13,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 825 events. 125/825 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4600 event pairs, 0 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 785. Up to 9 conditions per place. [2023-11-19 07:47:13,695 INFO L82 GeneralOperation]: Start removeDead. Operand has 683 places, 801 transitions, 1612 flow [2023-11-19 07:47:13,736 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 683 places, 801 transitions, 1612 flow [2023-11-19 07:47:13,736 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:47:13,736 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 683 places, 801 transitions, 1612 flow [2023-11-19 07:47:13,737 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 683 places, 801 transitions, 1612 flow [2023-11-19 07:47:13,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 683 places, 801 transitions, 1612 flow [2023-11-19 07:47:14,062 INFO L124 PetriNetUnfolderBase]: 125/825 cut-off events. [2023-11-19 07:47:14,063 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:47:14,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 825 events. 125/825 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4600 event pairs, 0 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 785. Up to 9 conditions per place. [2023-11-19 07:47:14,298 INFO L119 LiptonReduction]: Number of co-enabled transitions 320380 [2023-11-19 07:47:24,019 INFO L134 LiptonReduction]: Checked pairs total: 1604171 [2023-11-19 07:47:24,019 INFO L136 LiptonReduction]: Total number of compositions: 702 [2023-11-19 07:47:24,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:24,023 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65aa986d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:24,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 169 error locations. [2023-11-19 07:47:24,026 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:47:24,026 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-11-19 07:47:24,026 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:47:24,026 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:24,027 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-19 07:47:24,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2023-11-19 07:47:24,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash 139585478, now seen corresponding path program 1 times [2023-11-19 07:47:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:24,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080538936] [2023-11-19 07:47:24,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:24,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:24,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080538936] [2023-11-19 07:47:24,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080538936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:24,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:24,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:47:24,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112832959] [2023-11-19 07:47:24,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:24,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:24,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:24,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:24,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:24,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 637 out of 1503 [2023-11-19 07:47:24,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 434 transitions, 878 flow. Second operand has 2 states, 2 states have (on average 639.0) internal successors, (1278), 2 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:24,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:24,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 637 of 1503 [2023-11-19 07:47:24,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:27,495 INFO L124 PetriNetUnfolderBase]: 13256/28989 cut-off events. [2023-11-19 07:47:27,496 INFO L125 PetriNetUnfolderBase]: For 184/184 co-relation queries the response was YES. [2023-11-19 07:47:27,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47528 conditions, 28989 events. 13256/28989 cut-off events. For 184/184 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 297105 event pairs, 7870 based on Foata normal form. 2502/23315 useless extension candidates. Maximal degree in co-relation 13402. Up to 18369 conditions per place. [2023-11-19 07:47:27,813 INFO L140 encePairwiseOnDemand]: 1416/1503 looper letters, 150 selfloop transitions, 0 changer transitions 0/339 dead transitions. [2023-11-19 07:47:27,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 339 transitions, 988 flow [2023-11-19 07:47:27,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:47:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1511 transitions. [2023-11-19 07:47:27,821 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026613439787092 [2023-11-19 07:47:27,821 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1511 transitions. [2023-11-19 07:47:27,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1511 transitions. [2023-11-19 07:47:27,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:27,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1511 transitions. [2023-11-19 07:47:27,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 755.5) internal successors, (1511), 2 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) [2023-11-19 07:47:27,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1503.0) internal successors, (4509), 3 states have internal predecessors, (4509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:27,842 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1503.0) internal successors, (4509), 3 states have internal predecessors, (4509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:27,842 INFO L175 Difference]: Start difference. First operand has 354 places, 434 transitions, 878 flow. Second operand 2 states and 1511 transitions. [2023-11-19 07:47:27,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 339 transitions, 988 flow [2023-11-19 07:47:27,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 339 transitions, 988 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:47:27,857 INFO L231 Difference]: Finished difference. Result has 294 places, 339 transitions, 688 flow [2023-11-19 07:47:27,859 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1503, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=688, PETRI_PLACES=294, PETRI_TRANSITIONS=339} [2023-11-19 07:47:27,862 INFO L281 CegarLoopForPetriNet]: 354 programPoint places, -60 predicate places. [2023-11-19 07:47:27,862 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 339 transitions, 688 flow [2023-11-19 07:47:27,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 639.0) internal successors, (1278), 2 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:27,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:27,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:47:27,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:47:27,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2023-11-19 07:47:27,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:27,865 INFO L85 PathProgramCache]: Analyzing trace with hash 997771913, now seen corresponding path program 1 times [2023-11-19 07:47:27,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:27,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611024757] [2023-11-19 07:47:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:27,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:27,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:27,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611024757] [2023-11-19 07:47:27,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611024757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:27,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:27,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:27,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471826007] [2023-11-19 07:47:27,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:27,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:27,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:27,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:27,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:28,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 1503 [2023-11-19 07:47:28,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 339 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:28,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:28,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 1503 [2023-11-19 07:47:28,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:47:34,207 INFO L124 PetriNetUnfolderBase]: 37280/73931 cut-off events. [2023-11-19 07:47:34,207 INFO L125 PetriNetUnfolderBase]: For 247/247 co-relation queries the response was YES. [2023-11-19 07:47:34,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131170 conditions, 73931 events. 37280/73931 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 1772. Compared 774531 event pairs, 10444 based on Foata normal form. 0/58035 useless extension candidates. Maximal degree in co-relation 131165. Up to 41812 conditions per place. [2023-11-19 07:47:34,879 INFO L140 encePairwiseOnDemand]: 1366/1503 looper letters, 319 selfloop transitions, 105 changer transitions 0/534 dead transitions. [2023-11-19 07:47:34,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 534 transitions, 1931 flow [2023-11-19 07:47:34,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:47:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2079 transitions. [2023-11-19 07:47:34,888 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46107784431137727 [2023-11-19 07:47:34,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2079 transitions. [2023-11-19 07:47:34,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2079 transitions. [2023-11-19 07:47:34,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:47:34,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2079 transitions. [2023-11-19 07:47:34,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 693.0) internal successors, (2079), 3 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1503.0) internal successors, (6012), 4 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1503.0) internal successors, (6012), 4 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,916 INFO L175 Difference]: Start difference. First operand has 294 places, 339 transitions, 688 flow. Second operand 3 states and 2079 transitions. [2023-11-19 07:47:34,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 534 transitions, 1931 flow [2023-11-19 07:47:34,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 534 transitions, 1931 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:47:34,938 INFO L231 Difference]: Finished difference. Result has 298 places, 444 transitions, 1592 flow [2023-11-19 07:47:34,939 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1503, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1592, PETRI_PLACES=298, PETRI_TRANSITIONS=444} [2023-11-19 07:47:34,941 INFO L281 CegarLoopForPetriNet]: 354 programPoint places, -56 predicate places. [2023-11-19 07:47:34,941 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 444 transitions, 1592 flow [2023-11-19 07:47:34,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:34,943 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:47:34,943 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:34,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:47:34,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2023-11-19 07:47:34,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:34,945 INFO L85 PathProgramCache]: Analyzing trace with hash -841145312, now seen corresponding path program 1 times [2023-11-19 07:47:34,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:34,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606568675] [2023-11-19 07:47:34,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:34,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:35,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:35,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606568675] [2023-11-19 07:47:35,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606568675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:35,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:35,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:35,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360281236] [2023-11-19 07:47:35,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:35,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:35,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:35,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:35,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:35,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 1503 [2023-11-19 07:47:35,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 444 transitions, 1592 flow. Second operand has 3 states, 3 states have (on average 617.3333333333334) internal successors, (1852), 3 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:35,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:47:35,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 1503 [2023-11-19 07:47:35,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand