./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/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_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/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_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/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 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:46,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:46,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:56:46,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:46,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:46,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:46,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:46,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:46,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:56:46,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:56:46,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:46,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:46,648 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:46,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:46,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:56:46,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:56:46,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:46,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:56:46,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:46,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:56:46,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:56:46,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:56:46,655 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:56:46,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:56:46,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:56:46,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:56:46,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:46,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:46,660 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:46,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:56:46,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:46,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:46,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:56:46,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:56:46,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:56:46,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:56:46,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:56:46,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:56:46,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:56:46,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:56:46,665 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:56:46,665 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_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 [2023-11-19 07:56:46,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:47,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:47,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:47,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:47,012 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:47,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2023-11-19 07:56:50,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:50,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:50,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2023-11-19 07:56:50,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/data/8f9ea3cd7/ccdfbacc2526475a9592a3239adf5382/FLAGcfe7fd5b4 [2023-11-19 07:56:50,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/data/8f9ea3cd7/ccdfbacc2526475a9592a3239adf5382 [2023-11-19 07:56:50,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:50,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:50,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:50,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:50,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:50,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:50,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e37df9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50, skipping insertion in model container [2023-11-19 07:56:50,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:50,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:50,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:50,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:50,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:50,977 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:50,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50 WrapperNode [2023-11-19 07:56:50,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:50,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:50,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:50,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:50,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,055 INFO L138 Inliner]: procedures = 25, calls = 40, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 373 [2023-11-19 07:56:51,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:51,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:51,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:51,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:51,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:51,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:51,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:51,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:51,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (1/1) ... [2023-11-19 07:56:51,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:51,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:51,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:51,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:56:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:56:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:56:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:56:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:56:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:56:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:56:51,275 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 07:56:51,472 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:51,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:52,458 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:56:52,484 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:56:52,484 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:56:52,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:52 BoogieIcfgContainer [2023-11-19 07:56:52,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:56:52,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:56:52,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:56:52,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:56:52,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:50" (1/3) ... [2023-11-19 07:56:52,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431ecbc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:52, skipping insertion in model container [2023-11-19 07:56:52,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:50" (2/3) ... [2023-11-19 07:56:52,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431ecbc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:52, skipping insertion in model container [2023-11-19 07:56:52,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:52" (3/3) ... [2023-11-19 07:56:52,512 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c [2023-11-19 07:56:52,524 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:56:52,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:56:52,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-19 07:56:52,538 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:56:52,697 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:56:52,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 460 places, 479 transitions, 972 flow [2023-11-19 07:56:52,999 INFO L124 PetriNetUnfolderBase]: 26/477 cut-off events. [2023-11-19 07:56:53,000 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:56:53,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 477 events. 26/477 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 942 event pairs, 0 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 274. Up to 3 conditions per place. [2023-11-19 07:56:53,011 INFO L82 GeneralOperation]: Start removeDead. Operand has 460 places, 479 transitions, 972 flow [2023-11-19 07:56:53,023 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 436 places, 453 transitions, 918 flow [2023-11-19 07:56:53,026 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:56:53,037 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 436 places, 453 transitions, 918 flow [2023-11-19 07:56:53,040 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 436 places, 453 transitions, 918 flow [2023-11-19 07:56:53,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 436 places, 453 transitions, 918 flow [2023-11-19 07:56:53,176 INFO L124 PetriNetUnfolderBase]: 24/453 cut-off events. [2023-11-19 07:56:53,176 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:56:53,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 453 events. 24/453 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 895 event pairs, 0 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 274. Up to 3 conditions per place. [2023-11-19 07:56:53,203 INFO L119 LiptonReduction]: Number of co-enabled transitions 34040 [2023-11-19 07:57:04,939 INFO L134 LiptonReduction]: Checked pairs total: 181648 [2023-11-19 07:57:04,939 INFO L136 LiptonReduction]: Total number of compositions: 428 [2023-11-19 07:57:04,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:57:04,965 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;@725c2f30, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:57:04,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-11-19 07:57:04,967 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:57:04,967 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:57:04,967 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:57:04,968 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:04,968 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:57:04,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:04,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:04,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1725, now seen corresponding path program 1 times [2023-11-19 07:57:04,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:04,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485950731] [2023-11-19 07:57:04,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:04,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:05,091 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 07:57:05,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:05,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485950731] [2023-11-19 07:57:05,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485950731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:05,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:05,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:57:05,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120377328] [2023-11-19 07:57:05,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:05,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:57:05,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:05,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:57:05,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:57:05,141 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 459 out of 907 [2023-11-19 07:57:05,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 148 transitions, 308 flow. Second operand has 2 states, 2 states have (on average 459.5) internal successors, (919), 2 states have internal predecessors, (919), 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 07:57:05,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:05,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 459 of 907 [2023-11-19 07:57:05,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:05,627 INFO L124 PetriNetUnfolderBase]: 494/2129 cut-off events. [2023-11-19 07:57:05,627 INFO L125 PetriNetUnfolderBase]: For 62/78 co-relation queries the response was YES. [2023-11-19 07:57:05,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2943 conditions, 2129 events. 494/2129 cut-off events. For 62/78 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 16605 event pairs, 348 based on Foata normal form. 133/1899 useless extension candidates. Maximal degree in co-relation 2705. Up to 777 conditions per place. [2023-11-19 07:57:05,650 INFO L140 encePairwiseOnDemand]: 887/907 looper letters, 37 selfloop transitions, 0 changer transitions 1/128 dead transitions. [2023-11-19 07:57:05,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 344 flow [2023-11-19 07:57:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:57:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:57:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 976 transitions. [2023-11-19 07:57:05,673 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.538037486218302 [2023-11-19 07:57:05,674 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 976 transitions. [2023-11-19 07:57:05,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 976 transitions. [2023-11-19 07:57:05,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:05,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 976 transitions. [2023-11-19 07:57:05,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 488.0) internal successors, (976), 2 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:05,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 907.0) internal successors, (2721), 3 states have internal predecessors, (2721), 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 07:57:05,702 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 907.0) internal successors, (2721), 3 states have internal predecessors, (2721), 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 07:57:05,704 INFO L175 Difference]: Start difference. First operand has 145 places, 148 transitions, 308 flow. Second operand 2 states and 976 transitions. [2023-11-19 07:57:05,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 344 flow [2023-11-19 07:57:05,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 128 transitions, 336 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:57:05,714 INFO L231 Difference]: Finished difference. Result has 124 places, 127 transitions, 257 flow [2023-11-19 07:57:05,716 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=257, PETRI_PLACES=124, PETRI_TRANSITIONS=127} [2023-11-19 07:57:05,720 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -21 predicate places. [2023-11-19 07:57:05,721 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 127 transitions, 257 flow [2023-11-19 07:57:05,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 459.5) internal successors, (919), 2 states have internal predecessors, (919), 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 07:57:05,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:05,722 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:57:05,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:57:05,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:05,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:05,724 INFO L85 PathProgramCache]: Analyzing trace with hash 379984731, now seen corresponding path program 1 times [2023-11-19 07:57:05,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:05,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831265293] [2023-11-19 07:57:05,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:05,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:05,881 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 07:57:05,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:05,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831265293] [2023-11-19 07:57:05,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831265293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:05,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:05,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:05,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756440305] [2023-11-19 07:57:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:05,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:05,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:05,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:05,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:05,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 907 [2023-11-19 07:57:05,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 127 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 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 07:57:05,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:05,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 907 [2023-11-19 07:57:05,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:06,398 INFO L124 PetriNetUnfolderBase]: 701/2583 cut-off events. [2023-11-19 07:57:06,399 INFO L125 PetriNetUnfolderBase]: For 15/38 co-relation queries the response was YES. [2023-11-19 07:57:06,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3708 conditions, 2583 events. 701/2583 cut-off events. For 15/38 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 19691 event pairs, 525 based on Foata normal form. 0/2185 useless extension candidates. Maximal degree in co-relation 3705. Up to 1110 conditions per place. [2023-11-19 07:57:06,419 INFO L140 encePairwiseOnDemand]: 902/907 looper letters, 41 selfloop transitions, 1 changer transitions 0/123 dead transitions. [2023-11-19 07:57:06,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 123 transitions, 333 flow [2023-11-19 07:57:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:06,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2023-11-19 07:57:06,427 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5053289231900037 [2023-11-19 07:57:06,427 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1375 transitions. [2023-11-19 07:57:06,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1375 transitions. [2023-11-19 07:57:06,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:06,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1375 transitions. [2023-11-19 07:57:06,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 458.3333333333333) internal successors, (1375), 3 states have internal predecessors, (1375), 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 07:57:06,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:06,446 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:06,447 INFO L175 Difference]: Start difference. First operand has 124 places, 127 transitions, 257 flow. Second operand 3 states and 1375 transitions. [2023-11-19 07:57:06,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 123 transitions, 333 flow [2023-11-19 07:57:06,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 123 transitions, 333 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:57:06,456 INFO L231 Difference]: Finished difference. Result has 121 places, 123 transitions, 251 flow [2023-11-19 07:57:06,456 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=121, PETRI_TRANSITIONS=123} [2023-11-19 07:57:06,458 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -24 predicate places. [2023-11-19 07:57:06,459 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 123 transitions, 251 flow [2023-11-19 07:57:06,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 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 07:57:06,461 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:06,461 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:06,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:57:06,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:06,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:06,468 INFO L85 PathProgramCache]: Analyzing trace with hash 93141597, now seen corresponding path program 1 times [2023-11-19 07:57:06,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:06,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947361793] [2023-11-19 07:57:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:06,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:06,562 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 07:57:06,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:06,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947361793] [2023-11-19 07:57:06,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947361793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:06,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:06,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:06,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478319655] [2023-11-19 07:57:06,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:06,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:06,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:06,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:06,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:06,587 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 907 [2023-11-19 07:57:06,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 123 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 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 07:57:06,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:06,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 907 [2023-11-19 07:57:06,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:06,940 INFO L124 PetriNetUnfolderBase]: 623/2412 cut-off events. [2023-11-19 07:57:06,941 INFO L125 PetriNetUnfolderBase]: For 10/28 co-relation queries the response was YES. [2023-11-19 07:57:06,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3413 conditions, 2412 events. 623/2412 cut-off events. For 10/28 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 18578 event pairs, 459 based on Foata normal form. 0/2062 useless extension candidates. Maximal degree in co-relation 3409. Up to 982 conditions per place. [2023-11-19 07:57:06,961 INFO L140 encePairwiseOnDemand]: 902/907 looper letters, 39 selfloop transitions, 1 changer transitions 0/119 dead transitions. [2023-11-19 07:57:06,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 119 transitions, 323 flow [2023-11-19 07:57:06,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1373 transitions. [2023-11-19 07:57:06,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5045938993017273 [2023-11-19 07:57:06,968 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1373 transitions. [2023-11-19 07:57:06,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1373 transitions. [2023-11-19 07:57:06,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:06,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1373 transitions. [2023-11-19 07:57:06,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 457.6666666666667) internal successors, (1373), 3 states have internal predecessors, (1373), 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 07:57:06,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:06,986 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:06,986 INFO L175 Difference]: Start difference. First operand has 121 places, 123 transitions, 251 flow. Second operand 3 states and 1373 transitions. [2023-11-19 07:57:06,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 119 transitions, 323 flow [2023-11-19 07:57:06,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 119 transitions, 322 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:57:06,991 INFO L231 Difference]: Finished difference. Result has 118 places, 119 transitions, 244 flow [2023-11-19 07:57:06,991 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=118, PETRI_TRANSITIONS=119} [2023-11-19 07:57:06,992 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -27 predicate places. [2023-11-19 07:57:06,993 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 119 transitions, 244 flow [2023-11-19 07:57:06,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 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 07:57:06,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:06,995 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:06,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:57:06,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:06,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:06,996 INFO L85 PathProgramCache]: Analyzing trace with hash 408501419, now seen corresponding path program 1 times [2023-11-19 07:57:06,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:06,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066534705] [2023-11-19 07:57:06,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:06,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:07,669 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 07:57:07,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066534705] [2023-11-19 07:57:07,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066534705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:07,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:07,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:07,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260076049] [2023-11-19 07:57:07,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:07,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:07,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:07,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:07,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:08,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 907 [2023-11-19 07:57:08,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 119 transitions, 244 flow. Second operand has 6 states, 6 states have (on average 442.8333333333333) internal successors, (2657), 6 states have internal predecessors, (2657), 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 07:57:08,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:08,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 907 [2023-11-19 07:57:08,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:08,993 INFO L124 PetriNetUnfolderBase]: 1606/3195 cut-off events. [2023-11-19 07:57:08,993 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:57:09,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5566 conditions, 3195 events. 1606/3195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 20636 event pairs, 112 based on Foata normal form. 0/2636 useless extension candidates. Maximal degree in co-relation 5562. Up to 846 conditions per place. [2023-11-19 07:57:09,026 INFO L140 encePairwiseOnDemand]: 902/907 looper letters, 141 selfloop transitions, 4 changer transitions 0/222 dead transitions. [2023-11-19 07:57:09,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 222 transitions, 740 flow [2023-11-19 07:57:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2792 transitions. [2023-11-19 07:57:09,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5130466740169055 [2023-11-19 07:57:09,037 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2792 transitions. [2023-11-19 07:57:09,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2792 transitions. [2023-11-19 07:57:09,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:09,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2792 transitions. [2023-11-19 07:57:09,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 465.3333333333333) internal successors, (2792), 6 states have internal predecessors, (2792), 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 07:57:09,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:09,067 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:09,068 INFO L175 Difference]: Start difference. First operand has 118 places, 119 transitions, 244 flow. Second operand 6 states and 2792 transitions. [2023-11-19 07:57:09,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 222 transitions, 740 flow [2023-11-19 07:57:09,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 222 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:57:09,102 INFO L231 Difference]: Finished difference. Result has 121 places, 118 transitions, 249 flow [2023-11-19 07:57:09,102 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=249, PETRI_PLACES=121, PETRI_TRANSITIONS=118} [2023-11-19 07:57:09,103 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -24 predicate places. [2023-11-19 07:57:09,103 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 118 transitions, 249 flow [2023-11-19 07:57:09,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 442.8333333333333) internal successors, (2657), 6 states have internal predecessors, (2657), 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 07:57:09,107 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:09,107 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:09,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:57:09,108 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:09,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:09,109 INFO L85 PathProgramCache]: Analyzing trace with hash -859189608, now seen corresponding path program 1 times [2023-11-19 07:57:09,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:09,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440221457] [2023-11-19 07:57:09,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:09,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,154 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 07:57:09,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:09,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440221457] [2023-11-19 07:57:09,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440221457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:09,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:09,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:57:09,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101257954] [2023-11-19 07:57:09,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:09,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:09,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:09,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:09,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:09,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 907 [2023-11-19 07:57:09,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 118 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 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 07:57:09,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:09,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 907 [2023-11-19 07:57:09,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:09,524 INFO L124 PetriNetUnfolderBase]: 539/2256 cut-off events. [2023-11-19 07:57:09,524 INFO L125 PetriNetUnfolderBase]: For 137/137 co-relation queries the response was YES. [2023-11-19 07:57:09,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3341 conditions, 2256 events. 539/2256 cut-off events. For 137/137 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 17209 event pairs, 348 based on Foata normal form. 0/1912 useless extension candidates. Maximal degree in co-relation 3337. Up to 776 conditions per place. [2023-11-19 07:57:09,545 INFO L140 encePairwiseOnDemand]: 904/907 looper letters, 54 selfloop transitions, 2 changer transitions 0/137 dead transitions. [2023-11-19 07:57:09,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 137 transitions, 402 flow [2023-11-19 07:57:09,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1410 transitions. [2023-11-19 07:57:09,552 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5181918412348401 [2023-11-19 07:57:09,552 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1410 transitions. [2023-11-19 07:57:09,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1410 transitions. [2023-11-19 07:57:09,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:09,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1410 transitions. [2023-11-19 07:57:09,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 470.0) internal successors, (1410), 3 states have internal predecessors, (1410), 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 07:57:09,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:09,571 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:09,571 INFO L175 Difference]: Start difference. First operand has 121 places, 118 transitions, 249 flow. Second operand 3 states and 1410 transitions. [2023-11-19 07:57:09,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 137 transitions, 402 flow [2023-11-19 07:57:09,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 137 transitions, 393 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:57:09,578 INFO L231 Difference]: Finished difference. Result has 120 places, 119 transitions, 254 flow [2023-11-19 07:57:09,579 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=120, PETRI_TRANSITIONS=119} [2023-11-19 07:57:09,581 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -25 predicate places. [2023-11-19 07:57:09,582 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 119 transitions, 254 flow [2023-11-19 07:57:09,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 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 07:57:09,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:09,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:09,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:57:09,583 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:09,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:09,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1058906208, now seen corresponding path program 1 times [2023-11-19 07:57:09,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:09,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317008277] [2023-11-19 07:57:09,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,630 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 07:57:09,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:09,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317008277] [2023-11-19 07:57:09,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317008277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:09,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:09,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:09,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908425433] [2023-11-19 07:57:09,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:09,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:09,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:09,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:09,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:09,651 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 907 [2023-11-19 07:57:09,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 119 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 07:57:09,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:09,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 907 [2023-11-19 07:57:09,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:10,047 INFO L124 PetriNetUnfolderBase]: 837/2800 cut-off events. [2023-11-19 07:57:10,047 INFO L125 PetriNetUnfolderBase]: For 224/232 co-relation queries the response was YES. [2023-11-19 07:57:10,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4401 conditions, 2800 events. 837/2800 cut-off events. For 224/232 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 21033 event pairs, 187 based on Foata normal form. 0/2468 useless extension candidates. Maximal degree in co-relation 4396. Up to 1058 conditions per place. [2023-11-19 07:57:10,079 INFO L140 encePairwiseOnDemand]: 901/907 looper letters, 59 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2023-11-19 07:57:10,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 135 transitions, 420 flow [2023-11-19 07:57:10,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1401 transitions. [2023-11-19 07:57:10,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5148842337375965 [2023-11-19 07:57:10,087 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1401 transitions. [2023-11-19 07:57:10,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1401 transitions. [2023-11-19 07:57:10,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:10,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1401 transitions. [2023-11-19 07:57:10,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.0) internal successors, (1401), 3 states have internal predecessors, (1401), 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 07:57:10,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:10,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:10,101 INFO L175 Difference]: Start difference. First operand has 120 places, 119 transitions, 254 flow. Second operand 3 states and 1401 transitions. [2023-11-19 07:57:10,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 135 transitions, 420 flow [2023-11-19 07:57:10,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 135 transitions, 416 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:57:10,106 INFO L231 Difference]: Finished difference. Result has 118 places, 117 transitions, 260 flow [2023-11-19 07:57:10,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=118, PETRI_TRANSITIONS=117} [2023-11-19 07:57:10,109 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -27 predicate places. [2023-11-19 07:57:10,113 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 117 transitions, 260 flow [2023-11-19 07:57:10,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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 07:57:10,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:10,114 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:10,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:57:10,115 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:10,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:10,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1459937519, now seen corresponding path program 1 times [2023-11-19 07:57:10,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:10,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283866623] [2023-11-19 07:57:10,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:10,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,163 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 07:57:10,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:10,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283866623] [2023-11-19 07:57:10,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283866623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:10,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:10,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:57:10,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420758881] [2023-11-19 07:57:10,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:10,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:10,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:10,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:10,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:10,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 907 [2023-11-19 07:57:10,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 117 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 454.6666666666667) internal successors, (1364), 3 states have internal predecessors, (1364), 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 07:57:10,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:10,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 907 [2023-11-19 07:57:10,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:10,556 INFO L124 PetriNetUnfolderBase]: 766/2592 cut-off events. [2023-11-19 07:57:10,556 INFO L125 PetriNetUnfolderBase]: For 267/276 co-relation queries the response was YES. [2023-11-19 07:57:10,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4156 conditions, 2592 events. 766/2592 cut-off events. For 267/276 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 19488 event pairs, 489 based on Foata normal form. 38/2396 useless extension candidates. Maximal degree in co-relation 4151. Up to 1113 conditions per place. [2023-11-19 07:57:10,577 INFO L140 encePairwiseOnDemand]: 904/907 looper letters, 55 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2023-11-19 07:57:10,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 134 transitions, 424 flow [2023-11-19 07:57:10,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:10,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1406 transitions. [2023-11-19 07:57:10,583 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5167217934582874 [2023-11-19 07:57:10,583 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1406 transitions. [2023-11-19 07:57:10,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1406 transitions. [2023-11-19 07:57:10,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:10,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1406 transitions. [2023-11-19 07:57:10,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 468.6666666666667) internal successors, (1406), 3 states have internal predecessors, (1406), 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 07:57:10,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:10,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:10,615 INFO L175 Difference]: Start difference. First operand has 118 places, 117 transitions, 260 flow. Second operand 3 states and 1406 transitions. [2023-11-19 07:57:10,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 134 transitions, 424 flow [2023-11-19 07:57:10,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 134 transitions, 424 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:57:10,620 INFO L231 Difference]: Finished difference. Result has 121 places, 118 transitions, 274 flow [2023-11-19 07:57:10,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=121, PETRI_TRANSITIONS=118} [2023-11-19 07:57:10,622 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -24 predicate places. [2023-11-19 07:57:10,624 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 118 transitions, 274 flow [2023-11-19 07:57:10,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.6666666666667) internal successors, (1364), 3 states have internal predecessors, (1364), 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 07:57:10,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:10,625 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] [2023-11-19 07:57:10,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:57:10,625 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:10,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:10,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1503744964, now seen corresponding path program 1 times [2023-11-19 07:57:10,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:10,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245769350] [2023-11-19 07:57:10,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:10,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,752 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 07:57:10,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:10,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245769350] [2023-11-19 07:57:10,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245769350] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:10,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:10,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:57:10,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954774398] [2023-11-19 07:57:10,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:10,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:10,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:10,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:10,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:10,999 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 907 [2023-11-19 07:57:11,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 118 transitions, 274 flow. Second operand has 5 states, 5 states have (on average 444.8) internal successors, (2224), 5 states have internal predecessors, (2224), 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 07:57:11,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:11,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 907 [2023-11-19 07:57:11,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:11,618 INFO L124 PetriNetUnfolderBase]: 1098/3665 cut-off events. [2023-11-19 07:57:11,618 INFO L125 PetriNetUnfolderBase]: For 640/649 co-relation queries the response was YES. [2023-11-19 07:57:11,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6243 conditions, 3665 events. 1098/3665 cut-off events. For 640/649 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 30040 event pairs, 694 based on Foata normal form. 40/3401 useless extension candidates. Maximal degree in co-relation 6236. Up to 1212 conditions per place. [2023-11-19 07:57:11,641 INFO L140 encePairwiseOnDemand]: 900/907 looper letters, 88 selfloop transitions, 6 changer transitions 0/171 dead transitions. [2023-11-19 07:57:11,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 171 transitions, 611 flow [2023-11-19 07:57:11,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2745 transitions. [2023-11-19 07:57:11,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5044101433296582 [2023-11-19 07:57:11,651 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2745 transitions. [2023-11-19 07:57:11,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2745 transitions. [2023-11-19 07:57:11,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:11,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2745 transitions. [2023-11-19 07:57:11,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 457.5) internal successors, (2745), 6 states have internal predecessors, (2745), 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 07:57:11,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:11,672 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:11,672 INFO L175 Difference]: Start difference. First operand has 121 places, 118 transitions, 274 flow. Second operand 6 states and 2745 transitions. [2023-11-19 07:57:11,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 171 transitions, 611 flow [2023-11-19 07:57:11,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 171 transitions, 605 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:57:11,680 INFO L231 Difference]: Finished difference. Result has 129 places, 123 transitions, 317 flow [2023-11-19 07:57:11,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=317, PETRI_PLACES=129, PETRI_TRANSITIONS=123} [2023-11-19 07:57:11,681 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -16 predicate places. [2023-11-19 07:57:11,681 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 123 transitions, 317 flow [2023-11-19 07:57:11,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 444.8) internal successors, (2224), 5 states have internal predecessors, (2224), 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 07:57:11,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:11,683 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] [2023-11-19 07:57:11,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:57:11,683 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:11,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:11,683 INFO L85 PathProgramCache]: Analyzing trace with hash 443405195, now seen corresponding path program 1 times [2023-11-19 07:57:11,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:11,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331712522] [2023-11-19 07:57:11,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:11,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,783 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 07:57:11,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:11,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331712522] [2023-11-19 07:57:11,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331712522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:11,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:11,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:57:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041324576] [2023-11-19 07:57:11,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:11,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:11,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:11,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:11,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:11,986 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 907 [2023-11-19 07:57:11,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 123 transitions, 317 flow. Second operand has 5 states, 5 states have (on average 445.4) internal successors, (2227), 5 states have internal predecessors, (2227), 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 07:57:11,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:11,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 907 [2023-11-19 07:57:11,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:12,467 INFO L124 PetriNetUnfolderBase]: 840/2860 cut-off events. [2023-11-19 07:57:12,467 INFO L125 PetriNetUnfolderBase]: For 523/535 co-relation queries the response was YES. [2023-11-19 07:57:12,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4914 conditions, 2860 events. 840/2860 cut-off events. For 523/535 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 21854 event pairs, 552 based on Foata normal form. 12/2627 useless extension candidates. Maximal degree in co-relation 4903. Up to 1212 conditions per place. [2023-11-19 07:57:12,487 INFO L140 encePairwiseOnDemand]: 900/907 looper letters, 62 selfloop transitions, 6 changer transitions 0/145 dead transitions. [2023-11-19 07:57:12,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 145 transitions, 521 flow [2023-11-19 07:57:12,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2723 transitions. [2023-11-19 07:57:12,497 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5003675119441382 [2023-11-19 07:57:12,498 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2723 transitions. [2023-11-19 07:57:12,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2723 transitions. [2023-11-19 07:57:12,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:12,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2723 transitions. [2023-11-19 07:57:12,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 453.8333333333333) internal successors, (2723), 6 states have internal predecessors, (2723), 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 07:57:12,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:12,518 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:12,518 INFO L175 Difference]: Start difference. First operand has 129 places, 123 transitions, 317 flow. Second operand 6 states and 2723 transitions. [2023-11-19 07:57:12,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 145 transitions, 521 flow [2023-11-19 07:57:12,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 145 transitions, 515 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-19 07:57:12,525 INFO L231 Difference]: Finished difference. Result has 135 places, 124 transitions, 333 flow [2023-11-19 07:57:12,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=333, PETRI_PLACES=135, PETRI_TRANSITIONS=124} [2023-11-19 07:57:12,526 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -10 predicate places. [2023-11-19 07:57:12,526 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 124 transitions, 333 flow [2023-11-19 07:57:12,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 445.4) internal successors, (2227), 5 states have internal predecessors, (2227), 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 07:57:12,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:12,527 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] [2023-11-19 07:57:12,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:57:12,527 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:12,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:12,528 INFO L85 PathProgramCache]: Analyzing trace with hash 801937785, now seen corresponding path program 1 times [2023-11-19 07:57:12,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:12,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631675131] [2023-11-19 07:57:12,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:12,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:57:12,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631675131] [2023-11-19 07:57:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631675131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:12,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:12,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:57:12,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410582287] [2023-11-19 07:57:12,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:12,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:12,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:12,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:12,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:12,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 907 [2023-11-19 07:57:12,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 124 transitions, 333 flow. Second operand has 6 states, 6 states have (on average 436.6666666666667) internal successors, (2620), 6 states have internal predecessors, (2620), 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 07:57:12,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:12,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 907 [2023-11-19 07:57:12,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:13,843 INFO L124 PetriNetUnfolderBase]: 1411/4328 cut-off events. [2023-11-19 07:57:13,843 INFO L125 PetriNetUnfolderBase]: For 1013/1013 co-relation queries the response was YES. [2023-11-19 07:57:13,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7973 conditions, 4328 events. 1411/4328 cut-off events. For 1013/1013 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 35021 event pairs, 710 based on Foata normal form. 40/4063 useless extension candidates. Maximal degree in co-relation 7960. Up to 1212 conditions per place. [2023-11-19 07:57:13,873 INFO L140 encePairwiseOnDemand]: 899/907 looper letters, 130 selfloop transitions, 14 changer transitions 0/221 dead transitions. [2023-11-19 07:57:13,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 221 transitions, 931 flow [2023-11-19 07:57:13,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-19 07:57:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3167 transitions. [2023-11-19 07:57:13,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49881871160812724 [2023-11-19 07:57:13,884 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3167 transitions. [2023-11-19 07:57:13,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3167 transitions. [2023-11-19 07:57:13,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:13,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3167 transitions. [2023-11-19 07:57:13,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 452.42857142857144) internal successors, (3167), 7 states have internal predecessors, (3167), 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 07:57:13,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 907.0) internal successors, (7256), 8 states have internal predecessors, (7256), 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 07:57:13,907 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 907.0) internal successors, (7256), 8 states have internal predecessors, (7256), 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 07:57:13,907 INFO L175 Difference]: Start difference. First operand has 135 places, 124 transitions, 333 flow. Second operand 7 states and 3167 transitions. [2023-11-19 07:57:13,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 221 transitions, 931 flow [2023-11-19 07:57:13,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 221 transitions, 923 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-19 07:57:13,920 INFO L231 Difference]: Finished difference. Result has 142 places, 132 transitions, 421 flow [2023-11-19 07:57:13,921 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=421, PETRI_PLACES=142, PETRI_TRANSITIONS=132} [2023-11-19 07:57:13,922 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -3 predicate places. [2023-11-19 07:57:13,922 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 132 transitions, 421 flow [2023-11-19 07:57:13,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 436.6666666666667) internal successors, (2620), 6 states have internal predecessors, (2620), 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 07:57:13,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:13,924 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] [2023-11-19 07:57:13,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:57:13,925 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:13,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:13,926 INFO L85 PathProgramCache]: Analyzing trace with hash 162219126, now seen corresponding path program 1 times [2023-11-19 07:57:13,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:13,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320939239] [2023-11-19 07:57:13,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:13,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:57:14,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:14,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320939239] [2023-11-19 07:57:14,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320939239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:14,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:14,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:57:14,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980605142] [2023-11-19 07:57:14,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:14,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:14,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:14,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:14,432 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 907 [2023-11-19 07:57:14,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 132 transitions, 421 flow. Second operand has 6 states, 6 states have (on average 437.1666666666667) internal successors, (2623), 6 states have internal predecessors, (2623), 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 07:57:14,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:14,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 907 [2023-11-19 07:57:14,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:15,049 INFO L124 PetriNetUnfolderBase]: 1087/3476 cut-off events. [2023-11-19 07:57:15,050 INFO L125 PetriNetUnfolderBase]: For 1986/2005 co-relation queries the response was YES. [2023-11-19 07:57:15,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6899 conditions, 3476 events. 1087/3476 cut-off events. For 1986/2005 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 26926 event pairs, 642 based on Foata normal form. 16/3243 useless extension candidates. Maximal degree in co-relation 6882. Up to 1358 conditions per place. [2023-11-19 07:57:15,083 INFO L140 encePairwiseOnDemand]: 899/907 looper letters, 81 selfloop transitions, 12 changer transitions 0/170 dead transitions. [2023-11-19 07:57:15,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 170 transitions, 780 flow [2023-11-19 07:57:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2686 transitions. [2023-11-19 07:57:15,093 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4935685409775818 [2023-11-19 07:57:15,093 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2686 transitions. [2023-11-19 07:57:15,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2686 transitions. [2023-11-19 07:57:15,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:15,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2686 transitions. [2023-11-19 07:57:15,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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 07:57:15,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:15,115 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:15,115 INFO L175 Difference]: Start difference. First operand has 142 places, 132 transitions, 421 flow. Second operand 6 states and 2686 transitions. [2023-11-19 07:57:15,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 170 transitions, 780 flow [2023-11-19 07:57:15,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 170 transitions, 774 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-11-19 07:57:15,128 INFO L231 Difference]: Finished difference. Result has 150 places, 138 transitions, 491 flow [2023-11-19 07:57:15,128 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=491, PETRI_PLACES=150, PETRI_TRANSITIONS=138} [2023-11-19 07:57:15,129 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, 5 predicate places. [2023-11-19 07:57:15,129 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 138 transitions, 491 flow [2023-11-19 07:57:15,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.1666666666667) internal successors, (2623), 6 states have internal predecessors, (2623), 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 07:57:15,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:15,130 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] [2023-11-19 07:57:15,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:57:15,130 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:15,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:15,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1083095896, now seen corresponding path program 1 times [2023-11-19 07:57:15,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:15,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010472593] [2023-11-19 07:57:15,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:15,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:57:15,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:15,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010472593] [2023-11-19 07:57:15,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010472593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:15,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:15,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:15,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351094122] [2023-11-19 07:57:15,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:15,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:15,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:15,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:15,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:16,108 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 907 [2023-11-19 07:57:16,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 138 transitions, 491 flow. Second operand has 6 states, 6 states have (on average 437.6666666666667) internal successors, (2626), 6 states have internal predecessors, (2626), 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 07:57:16,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:16,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 907 [2023-11-19 07:57:16,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:16,942 INFO L124 PetriNetUnfolderBase]: 1617/4323 cut-off events. [2023-11-19 07:57:16,942 INFO L125 PetriNetUnfolderBase]: For 3067/3089 co-relation queries the response was YES. [2023-11-19 07:57:16,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9391 conditions, 4323 events. 1617/4323 cut-off events. For 3067/3089 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 31901 event pairs, 744 based on Foata normal form. 0/4055 useless extension candidates. Maximal degree in co-relation 9370. Up to 1620 conditions per place. [2023-11-19 07:57:16,985 INFO L140 encePairwiseOnDemand]: 900/907 looper letters, 144 selfloop transitions, 5 changer transitions 0/214 dead transitions. [2023-11-19 07:57:16,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 214 transitions, 1042 flow [2023-11-19 07:57:16,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:16,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2733 transitions. [2023-11-19 07:57:16,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5022050716648291 [2023-11-19 07:57:16,995 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2733 transitions. [2023-11-19 07:57:16,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2733 transitions. [2023-11-19 07:57:16,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:16,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2733 transitions. [2023-11-19 07:57:17,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 455.5) internal successors, (2733), 6 states have internal predecessors, (2733), 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 07:57:17,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:17,016 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:17,016 INFO L175 Difference]: Start difference. First operand has 150 places, 138 transitions, 491 flow. Second operand 6 states and 2733 transitions. [2023-11-19 07:57:17,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 214 transitions, 1042 flow [2023-11-19 07:57:17,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 214 transitions, 1032 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:57:17,034 INFO L231 Difference]: Finished difference. Result has 151 places, 136 transitions, 487 flow [2023-11-19 07:57:17,035 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=487, PETRI_PLACES=151, PETRI_TRANSITIONS=136} [2023-11-19 07:57:17,035 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, 6 predicate places. [2023-11-19 07:57:17,036 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 136 transitions, 487 flow [2023-11-19 07:57:17,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.6666666666667) internal successors, (2626), 6 states have internal predecessors, (2626), 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 07:57:17,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:17,037 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] [2023-11-19 07:57:17,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:57:17,037 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:17,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:17,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1855717159, now seen corresponding path program 1 times [2023-11-19 07:57:17,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:17,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994092192] [2023-11-19 07:57:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:17,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:57:17,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:17,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994092192] [2023-11-19 07:57:17,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994092192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:17,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:17,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:17,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34627695] [2023-11-19 07:57:17,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:17,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:17,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:17,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:17,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:18,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 907 [2023-11-19 07:57:18,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 136 transitions, 487 flow. Second operand has 6 states, 6 states have (on average 438.1666666666667) internal successors, (2629), 6 states have internal predecessors, (2629), 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 07:57:18,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:18,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 907 [2023-11-19 07:57:18,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:19,047 INFO L124 PetriNetUnfolderBase]: 1501/3986 cut-off events. [2023-11-19 07:57:19,047 INFO L125 PetriNetUnfolderBase]: For 3194/3214 co-relation queries the response was YES. [2023-11-19 07:57:19,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9010 conditions, 3986 events. 1501/3986 cut-off events. For 3194/3214 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 29316 event pairs, 731 based on Foata normal form. 0/3786 useless extension candidates. Maximal degree in co-relation 8989. Up to 1563 conditions per place. [2023-11-19 07:57:19,084 INFO L140 encePairwiseOnDemand]: 900/907 looper letters, 125 selfloop transitions, 5 changer transitions 0/194 dead transitions. [2023-11-19 07:57:19,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 194 transitions, 979 flow [2023-11-19 07:57:19,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:19,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2714 transitions. [2023-11-19 07:57:19,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49871370819551636 [2023-11-19 07:57:19,094 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2714 transitions. [2023-11-19 07:57:19,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2714 transitions. [2023-11-19 07:57:19,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:19,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2714 transitions. [2023-11-19 07:57:19,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 452.3333333333333) internal successors, (2714), 6 states have internal predecessors, (2714), 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 07:57:19,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:19,116 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:19,116 INFO L175 Difference]: Start difference. First operand has 151 places, 136 transitions, 487 flow. Second operand 6 states and 2714 transitions. [2023-11-19 07:57:19,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 194 transitions, 979 flow [2023-11-19 07:57:19,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 194 transitions, 961 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:57:19,133 INFO L231 Difference]: Finished difference. Result has 149 places, 134 transitions, 483 flow [2023-11-19 07:57:19,133 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=483, PETRI_PLACES=149, PETRI_TRANSITIONS=134} [2023-11-19 07:57:19,134 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, 4 predicate places. [2023-11-19 07:57:19,134 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 134 transitions, 483 flow [2023-11-19 07:57:19,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 438.1666666666667) internal successors, (2629), 6 states have internal predecessors, (2629), 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 07:57:19,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:19,135 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] [2023-11-19 07:57:19,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 07:57:19,136 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:19,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:19,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1157255064, now seen corresponding path program 1 times [2023-11-19 07:57:19,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:19,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203694954] [2023-11-19 07:57:19,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:19,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,572 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 07:57:19,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:19,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203694954] [2023-11-19 07:57:19,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203694954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:19,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:19,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:19,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70034696] [2023-11-19 07:57:19,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:19,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:19,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:19,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:19,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:20,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 907 [2023-11-19 07:57:20,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 134 transitions, 483 flow. Second operand has 6 states, 6 states have (on average 443.8333333333333) internal successors, (2663), 6 states have internal predecessors, (2663), 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 07:57:20,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:20,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 907 [2023-11-19 07:57:20,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:20,892 INFO L124 PetriNetUnfolderBase]: 1257/3576 cut-off events. [2023-11-19 07:57:20,892 INFO L125 PetriNetUnfolderBase]: For 3114/3134 co-relation queries the response was YES. [2023-11-19 07:57:20,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8161 conditions, 3576 events. 1257/3576 cut-off events. For 3114/3134 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 26689 event pairs, 822 based on Foata normal form. 0/3420 useless extension candidates. Maximal degree in co-relation 8140. Up to 1764 conditions per place. [2023-11-19 07:57:20,918 INFO L140 encePairwiseOnDemand]: 902/907 looper letters, 91 selfloop transitions, 4 changer transitions 66/229 dead transitions. [2023-11-19 07:57:20,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 229 transitions, 1295 flow [2023-11-19 07:57:20,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:20,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2748 transitions. [2023-11-19 07:57:20,929 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5049614112458655 [2023-11-19 07:57:20,929 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2748 transitions. [2023-11-19 07:57:20,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2748 transitions. [2023-11-19 07:57:20,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:20,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2748 transitions. [2023-11-19 07:57:20,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 458.0) internal successors, (2748), 6 states have internal predecessors, (2748), 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 07:57:20,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:20,949 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:20,949 INFO L175 Difference]: Start difference. First operand has 149 places, 134 transitions, 483 flow. Second operand 6 states and 2748 transitions. [2023-11-19 07:57:20,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 229 transitions, 1295 flow [2023-11-19 07:57:20,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 229 transitions, 1277 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:57:20,968 INFO L231 Difference]: Finished difference. Result has 148 places, 115 transitions, 324 flow [2023-11-19 07:57:20,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=148, PETRI_TRANSITIONS=115} [2023-11-19 07:57:20,969 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, 3 predicate places. [2023-11-19 07:57:20,970 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 115 transitions, 324 flow [2023-11-19 07:57:20,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 443.8333333333333) internal successors, (2663), 6 states have internal predecessors, (2663), 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 07:57:20,971 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:20,971 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] [2023-11-19 07:57:20,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 07:57:20,971 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:20,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:20,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1473034006, now seen corresponding path program 1 times [2023-11-19 07:57:20,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:20,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069097770] [2023-11-19 07:57:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:20,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:57:21,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:21,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069097770] [2023-11-19 07:57:21,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069097770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:21,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:21,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:21,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078677127] [2023-11-19 07:57:21,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:21,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:21,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:21,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:21,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:21,046 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 907 [2023-11-19 07:57:21,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 115 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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 07:57:21,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:21,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 907 [2023-11-19 07:57:21,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:21,571 INFO L124 PetriNetUnfolderBase]: 1087/3195 cut-off events. [2023-11-19 07:57:21,571 INFO L125 PetriNetUnfolderBase]: For 1575/1584 co-relation queries the response was YES. [2023-11-19 07:57:21,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6350 conditions, 3195 events. 1087/3195 cut-off events. For 1575/1584 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 23688 event pairs, 269 based on Foata normal form. 0/3052 useless extension candidates. Maximal degree in co-relation 6329. Up to 1300 conditions per place. [2023-11-19 07:57:21,602 INFO L140 encePairwiseOnDemand]: 901/907 looper letters, 70 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2023-11-19 07:57:21,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 135 transitions, 562 flow [2023-11-19 07:57:21,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1406 transitions. [2023-11-19 07:57:21,610 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5167217934582874 [2023-11-19 07:57:21,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1406 transitions. [2023-11-19 07:57:21,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1406 transitions. [2023-11-19 07:57:21,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:21,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1406 transitions. [2023-11-19 07:57:21,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 468.6666666666667) internal successors, (1406), 3 states have internal predecessors, (1406), 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 07:57:21,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:21,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 907.0) internal successors, (3628), 4 states have internal predecessors, (3628), 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 07:57:21,623 INFO L175 Difference]: Start difference. First operand has 148 places, 115 transitions, 324 flow. Second operand 3 states and 1406 transitions. [2023-11-19 07:57:21,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 135 transitions, 562 flow [2023-11-19 07:57:21,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 135 transitions, 485 flow, removed 29 selfloop flow, removed 17 redundant places. [2023-11-19 07:57:21,631 INFO L231 Difference]: Finished difference. Result has 119 places, 113 transitions, 285 flow [2023-11-19 07:57:21,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=285, PETRI_PLACES=119, PETRI_TRANSITIONS=113} [2023-11-19 07:57:21,633 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -26 predicate places. [2023-11-19 07:57:21,633 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 113 transitions, 285 flow [2023-11-19 07:57:21,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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 07:57:21,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:21,634 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] [2023-11-19 07:57:21,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-19 07:57:21,635 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:21,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:21,635 INFO L85 PathProgramCache]: Analyzing trace with hash -93511617, now seen corresponding path program 1 times [2023-11-19 07:57:21,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:21,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338523380] [2023-11-19 07:57:21,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:21,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:57:22,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:22,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338523380] [2023-11-19 07:57:22,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338523380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:22,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:22,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:22,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757053329] [2023-11-19 07:57:22,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:22,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:22,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:22,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:22,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:22,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 907 [2023-11-19 07:57:22,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 113 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 438.3333333333333) internal successors, (2630), 6 states have internal predecessors, (2630), 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 07:57:22,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:22,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 907 [2023-11-19 07:57:22,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:23,411 INFO L124 PetriNetUnfolderBase]: 1190/3062 cut-off events. [2023-11-19 07:57:23,411 INFO L125 PetriNetUnfolderBase]: For 521/530 co-relation queries the response was YES. [2023-11-19 07:57:23,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5722 conditions, 3062 events. 1190/3062 cut-off events. For 521/530 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 21600 event pairs, 484 based on Foata normal form. 0/2923 useless extension candidates. Maximal degree in co-relation 5713. Up to 1061 conditions per place. [2023-11-19 07:57:23,435 INFO L140 encePairwiseOnDemand]: 900/907 looper letters, 79 selfloop transitions, 5 changer transitions 32/171 dead transitions. [2023-11-19 07:57:23,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 171 transitions, 669 flow [2023-11-19 07:57:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:23,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2714 transitions. [2023-11-19 07:57:23,446 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49871370819551636 [2023-11-19 07:57:23,446 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2714 transitions. [2023-11-19 07:57:23,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2714 transitions. [2023-11-19 07:57:23,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:23,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2714 transitions. [2023-11-19 07:57:23,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 452.3333333333333) internal successors, (2714), 6 states have internal predecessors, (2714), 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 07:57:23,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:23,470 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:23,470 INFO L175 Difference]: Start difference. First operand has 119 places, 113 transitions, 285 flow. Second operand 6 states and 2714 transitions. [2023-11-19 07:57:23,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 171 transitions, 669 flow [2023-11-19 07:57:23,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 171 transitions, 669 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:57:23,476 INFO L231 Difference]: Finished difference. Result has 122 places, 103 transitions, 271 flow [2023-11-19 07:57:23,476 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=271, PETRI_PLACES=122, PETRI_TRANSITIONS=103} [2023-11-19 07:57:23,477 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -23 predicate places. [2023-11-19 07:57:23,477 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 103 transitions, 271 flow [2023-11-19 07:57:23,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 438.3333333333333) internal successors, (2630), 6 states have internal predecessors, (2630), 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 07:57:23,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:23,479 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] [2023-11-19 07:57:23,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-19 07:57:23,479 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-19 07:57:23,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:23,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1829679438, now seen corresponding path program 1 times [2023-11-19 07:57:23,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:23,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906151650] [2023-11-19 07:57:23,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:23,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:57:24,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:24,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906151650] [2023-11-19 07:57:24,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906151650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:24,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:24,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:24,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775522176] [2023-11-19 07:57:24,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:24,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:24,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:24,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:24,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:24,739 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 907 [2023-11-19 07:57:24,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 103 transitions, 271 flow. Second operand has 6 states, 6 states have (on average 437.6666666666667) internal successors, (2626), 6 states have internal predecessors, (2626), 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 07:57:24,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:24,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 907 [2023-11-19 07:57:24,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:25,272 INFO L124 PetriNetUnfolderBase]: 1113/2958 cut-off events. [2023-11-19 07:57:25,272 INFO L125 PetriNetUnfolderBase]: For 442/442 co-relation queries the response was YES. [2023-11-19 07:57:25,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5551 conditions, 2958 events. 1113/2958 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 20336 event pairs, 495 based on Foata normal form. 32/2918 useless extension candidates. Maximal degree in co-relation 5541. Up to 1021 conditions per place. [2023-11-19 07:57:25,287 INFO L140 encePairwiseOnDemand]: 900/907 looper letters, 0 selfloop transitions, 0 changer transitions 177/177 dead transitions. [2023-11-19 07:57:25,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 177 transitions, 717 flow [2023-11-19 07:57:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:57:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2726 transitions. [2023-11-19 07:57:25,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5009187798603455 [2023-11-19 07:57:25,296 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2726 transitions. [2023-11-19 07:57:25,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2726 transitions. [2023-11-19 07:57:25,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:25,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2726 transitions. [2023-11-19 07:57:25,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 454.3333333333333) internal successors, (2726), 6 states have internal predecessors, (2726), 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 07:57:25,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:25,348 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 907.0) internal successors, (6349), 7 states have internal predecessors, (6349), 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 07:57:25,349 INFO L175 Difference]: Start difference. First operand has 122 places, 103 transitions, 271 flow. Second operand 6 states and 2726 transitions. [2023-11-19 07:57:25,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 177 transitions, 717 flow [2023-11-19 07:57:25,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 177 transitions, 699 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:57:25,353 INFO L231 Difference]: Finished difference. Result has 113 places, 0 transitions, 0 flow [2023-11-19 07:57:25,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=907, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=113, PETRI_TRANSITIONS=0} [2023-11-19 07:57:25,354 INFO L281 CegarLoopForPetriNet]: 145 programPoint places, -32 predicate places. [2023-11-19 07:57:25,354 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 0 transitions, 0 flow [2023-11-19 07:57:25,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.6666666666667) internal successors, (2626), 6 states have internal predecessors, (2626), 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 07:57:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2023-11-19 07:57:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2023-11-19 07:57:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2023-11-19 07:57:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2023-11-19 07:57:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2023-11-19 07:57:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2023-11-19 07:57:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2023-11-19 07:57:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2023-11-19 07:57:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2023-11-19 07:57:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2023-11-19 07:57:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2023-11-19 07:57:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2023-11-19 07:57:25,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2023-11-19 07:57:25,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2023-11-19 07:57:25,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2023-11-19 07:57:25,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2023-11-19 07:57:25,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2023-11-19 07:57:25,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2023-11-19 07:57:25,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2023-11-19 07:57:25,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2023-11-19 07:57:25,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2023-11-19 07:57:25,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2023-11-19 07:57:25,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2023-11-19 07:57:25,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2023-11-19 07:57:25,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2023-11-19 07:57:25,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2023-11-19 07:57:25,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2023-11-19 07:57:25,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2023-11-19 07:57:25,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2023-11-19 07:57:25,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2023-11-19 07:57:25,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2023-11-19 07:57:25,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2023-11-19 07:57:25,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2023-11-19 07:57:25,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2023-11-19 07:57:25,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2023-11-19 07:57:25,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2023-11-19 07:57:25,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2023-11-19 07:57:25,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2023-11-19 07:57:25,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2023-11-19 07:57:25,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2023-11-19 07:57:25,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2023-11-19 07:57:25,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2023-11-19 07:57:25,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2023-11-19 07:57:25,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2023-11-19 07:57:25,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2023-11-19 07:57:25,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2023-11-19 07:57:25,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2023-11-19 07:57:25,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2023-11-19 07:57:25,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2023-11-19 07:57:25,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2023-11-19 07:57:25,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2023-11-19 07:57:25,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2023-11-19 07:57:25,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2023-11-19 07:57:25,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2023-11-19 07:57:25,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2023-11-19 07:57:25,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2023-11-19 07:57:25,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2023-11-19 07:57:25,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2023-11-19 07:57:25,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2023-11-19 07:57:25,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2023-11-19 07:57:25,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2023-11-19 07:57:25,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2023-11-19 07:57:25,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2023-11-19 07:57:25,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2023-11-19 07:57:25,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2023-11-19 07:57:25,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2023-11-19 07:57:25,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2023-11-19 07:57:25,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2023-11-19 07:57:25,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2023-11-19 07:57:25,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2023-11-19 07:57:25,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2023-11-19 07:57:25,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2023-11-19 07:57:25,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2023-11-19 07:57:25,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2023-11-19 07:57:25,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-19 07:57:25,370 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:25,377 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:57:25,377 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:57:25,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:25 BasicIcfg [2023-11-19 07:57:25,381 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:57:25,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:57:25,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:57:25,382 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:57:25,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:52" (3/4) ... [2023-11-19 07:57:25,384 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:57:25,388 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:57:25,388 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:57:25,402 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-19 07:57:25,403 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:57:25,404 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:57:25,404 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:57:25,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:57:25,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:57:25,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:57:25,534 INFO L158 Benchmark]: Toolchain (without parser) took 34922.03ms. Allocated memory was 142.6MB in the beginning and 721.4MB in the end (delta: 578.8MB). Free memory was 98.3MB in the beginning and 643.1MB in the end (delta: -544.8MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-11-19 07:57:25,534 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 112.3MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:25,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.65ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 85.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:57:25,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.31ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 82.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:57:25,536 INFO L158 Benchmark]: Boogie Preprocessor took 111.80ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 78.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:57:25,536 INFO L158 Benchmark]: RCFGBuilder took 1328.97ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 78.9MB in the beginning and 150.6MB in the end (delta: -71.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-19 07:57:25,536 INFO L158 Benchmark]: TraceAbstraction took 32879.08ms. Allocated memory was 186.6MB in the beginning and 721.4MB in the end (delta: 534.8MB). Free memory was 149.6MB in the beginning and 649.4MB in the end (delta: -499.8MB). Peak memory consumption was 448.3MB. Max. memory is 16.1GB. [2023-11-19 07:57:25,537 INFO L158 Benchmark]: Witness Printer took 151.83ms. Allocated memory is still 721.4MB. Free memory was 649.4MB in the beginning and 643.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:57:25,540 INFO L338 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 142.6MB. Free memory was 112.5MB in the beginning and 112.3MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.65ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 85.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.31ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 82.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.80ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 78.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1328.97ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 78.9MB in the beginning and 150.6MB in the end (delta: -71.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * TraceAbstraction took 32879.08ms. Allocated memory was 186.6MB in the beginning and 721.4MB in the end (delta: 534.8MB). Free memory was 149.6MB in the beginning and 649.4MB in the end (delta: -499.8MB). Peak memory consumption was 448.3MB. Max. memory is 16.1GB. * Witness Printer took 151.83ms. Allocated memory is still 721.4MB. Free memory was 649.4MB in the beginning and 643.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9s, 436 PlacesBefore, 145 PlacesAfterwards, 453 TransitionsBefore, 148 TransitionsAfterwards, 34040 CoEnabledTransitionPairs, 8 FixpointIterations, 208 TrivialSequentialCompositions, 146 ConcurrentSequentialCompositions, 33 TrivialYvCompositions, 27 ConcurrentYvCompositions, 14 ChoiceCompositions, 428 TotalNumberOfCompositions, 181648 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50390, independent: 48425, independent conditional: 0, independent unconditional: 48425, dependent: 1965, dependent conditional: 0, dependent unconditional: 1965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 17454, independent: 17135, independent conditional: 0, independent unconditional: 17135, dependent: 319, dependent conditional: 0, dependent unconditional: 319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50390, independent: 31290, independent conditional: 0, independent unconditional: 31290, dependent: 1646, dependent conditional: 0, dependent unconditional: 1646, unknown: 17454, unknown conditional: 0, unknown unconditional: 17454] , Statistics on independence cache: Total cache size (in pairs): 2165, Positive cache size: 2002, Positive conditional cache size: 0, Positive unconditional cache size: 2002, Negative cache size: 163, Negative conditional cache size: 0, Negative unconditional cache size: 163, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 66]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: 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, 676 locations, 74 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: 32.6s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3888 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2455 mSDsluCounter, 912 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 656 mSDsCounter, 1039 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7199 IncrementalHoareTripleChecker+Invalid, 8238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1039 mSolverCounterUnsat, 256 mSDtfsCounter, 7199 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=11, InterpolantAutomatonStates: 81, 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, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 1131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 12/12 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 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:57:25,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e523b82-ef2c-4326-b7f8-b5913a0d7f0f/bin/uautomizer-verify-uCwYo4JHxu/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