./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya --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 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:09:54,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:09:54,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 01:09:54,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:09:54,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:09:54,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:09:54,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:09:54,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:09:54,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:09:54,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:09:54,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:09:54,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:09:54,282 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:09:54,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:09:54,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:09:54,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:09:54,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:09:54,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:09:54,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:09:54,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:09:54,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:09:54,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:09:54,287 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 01:09:54,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:09:54,288 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:09:54,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:09:54,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:09:54,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:09:54,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:09:54,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:09:54,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:09:54,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:09:54,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:09:54,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:09:54,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:09:54,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:09:54,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:09:54,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:09:54,291 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:09:54,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:09:54,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:09:54,292 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_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 [2023-11-29 01:09:54,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:09:54,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:09:54,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:09:54,610 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:09:54,611 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:09:54,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2023-11-29 01:09:57,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:09:57,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:09:57,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2023-11-29 01:09:57,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/data/a942d44d2/e54d4ca5ffa0458abb6780429b89c475/FLAGa2c2396ee [2023-11-29 01:09:57,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/data/a942d44d2/e54d4ca5ffa0458abb6780429b89c475 [2023-11-29 01:09:57,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:09:57,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:09:57,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:09:57,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:09:57,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:09:57,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:57,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b0c4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57, skipping insertion in model container [2023-11-29 01:09:57,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:57,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:09:57,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:09:57,808 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:09:57,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:09:57,877 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:09:57,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57 WrapperNode [2023-11-29 01:09:57,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:09:57,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:09:57,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:09:57,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:09:57,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:57,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:57,947 INFO L138 Inliner]: procedures = 27, calls = 67, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 827 [2023-11-29 01:09:57,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:09:57,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:09:57,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:09:57,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:09:57,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:57,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:57,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:57,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:58,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:58,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:58,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:58,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:58,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:09:58,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:09:58,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:09:58,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:09:58,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (1/1) ... [2023-11-29 01:09:58,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:09:58,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:58,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:09:58,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9680044-be12-4ed8-aa44-94e3e852ad87/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:09:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:09:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:09:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 01:09:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 01:09:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 01:09:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 01:09:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 01:09:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 01:09:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 01:09:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 01:09:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 01:09:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:09:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:09:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:09:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:09:58,165 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:09:58,304 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:09:58,306 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:09:59,304 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:09:59,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:09:59,331 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 01:09:59,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:09:59 BoogieIcfgContainer [2023-11-29 01:09:59,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:09:59,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:09:59,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:09:59,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:09:59,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:09:57" (1/3) ... [2023-11-29 01:09:59,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49861e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:09:59, skipping insertion in model container [2023-11-29 01:09:59,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:09:57" (2/3) ... [2023-11-29 01:09:59,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49861e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:09:59, skipping insertion in model container [2023-11-29 01:09:59,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:09:59" (3/3) ... [2023-11-29 01:09:59,343 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2023-11-29 01:09:59,352 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:09:59,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:09:59,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 119 error locations. [2023-11-29 01:09:59,364 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:09:59,590 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 01:09:59,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1043 places, 1081 transitions, 2183 flow [2023-11-29 01:10:00,222 INFO L124 PetriNetUnfolderBase]: 48/1078 cut-off events. [2023-11-29 01:10:00,223 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 01:10:00,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 1078 events. 48/1078 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2239 event pairs, 0 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 852. Up to 2 conditions per place. [2023-11-29 01:10:00,246 INFO L82 GeneralOperation]: Start removeDead. Operand has 1043 places, 1081 transitions, 2183 flow [2023-11-29 01:10:00,273 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1014 places, 1049 transitions, 2116 flow [2023-11-29 01:10:00,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:10:00,290 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;@6f30b4c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:10:00,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 197 error locations. [2023-11-29 01:10:00,298 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:10:00,298 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2023-11-29 01:10:00,298 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:10:00,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:00,299 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:00,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:00,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:00,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1359890543, now seen corresponding path program 1 times [2023-11-29 01:10:00,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:00,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987028319] [2023-11-29 01:10:00,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:00,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:00,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:00,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987028319] [2023-11-29 01:10:00,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987028319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:00,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:00,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:00,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956152924] [2023-11-29 01:10:00,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:00,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:00,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:00,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:00,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:00,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1028 out of 1081 [2023-11-29 01:10:00,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1014 places, 1049 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:00,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:00,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1028 of 1081 [2023-11-29 01:10:00,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:01,474 INFO L124 PetriNetUnfolderBase]: 86/2529 cut-off events. [2023-11-29 01:10:01,475 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2023-11-29 01:10:01,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2672 conditions, 2529 events. 86/2529 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 14487 event pairs, 39 based on Foata normal form. 70/2145 useless extension candidates. Maximal degree in co-relation 1944. Up to 89 conditions per place. [2023-11-29 01:10:01,529 INFO L140 encePairwiseOnDemand]: 1050/1081 looper letters, 19 selfloop transitions, 2 changer transitions 16/1020 dead transitions. [2023-11-29 01:10:01,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1015 places, 1020 transitions, 2100 flow [2023-11-29 01:10:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3134 transitions. [2023-11-29 01:10:01,553 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9663891458526056 [2023-11-29 01:10:01,554 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3134 transitions. [2023-11-29 01:10:01,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3134 transitions. [2023-11-29 01:10:01,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:01,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3134 transitions. [2023-11-29 01:10:01,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1044.6666666666667) internal successors, (3134), 3 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:01,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:01,594 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:01,596 INFO L175 Difference]: Start difference. First operand has 1014 places, 1049 transitions, 2116 flow. Second operand 3 states and 3134 transitions. [2023-11-29 01:10:01,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1015 places, 1020 transitions, 2100 flow [2023-11-29 01:10:01,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1009 places, 1020 transitions, 2088 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 01:10:01,629 INFO L231 Difference]: Finished difference. Result has 1009 places, 1004 transitions, 2018 flow [2023-11-29 01:10:01,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=2046, PETRI_DIFFERENCE_MINUEND_PLACES=1007, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1020, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1018, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2018, PETRI_PLACES=1009, PETRI_TRANSITIONS=1004} [2023-11-29 01:10:01,635 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -5 predicate places. [2023-11-29 01:10:01,636 INFO L495 AbstractCegarLoop]: Abstraction has has 1009 places, 1004 transitions, 2018 flow [2023-11-29 01:10:01,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:01,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:01,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:01,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:10:01,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:01,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:01,640 INFO L85 PathProgramCache]: Analyzing trace with hash -328154300, now seen corresponding path program 1 times [2023-11-29 01:10:01,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:01,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565465609] [2023-11-29 01:10:01,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:01,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:01,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:01,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565465609] [2023-11-29 01:10:01,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565465609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:01,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:01,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:01,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182513459] [2023-11-29 01:10:01,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:01,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:01,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:01,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:01,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:01,768 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1081 [2023-11-29 01:10:01,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1009 places, 1004 transitions, 2018 flow. Second operand has 3 states, 3 states have (on average 1015.0) internal successors, (3045), 3 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:01,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:01,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1081 [2023-11-29 01:10:01,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:03,118 INFO L124 PetriNetUnfolderBase]: 212/4005 cut-off events. [2023-11-29 01:10:03,119 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-29 01:10:03,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4325 conditions, 4005 events. 212/4005 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 30022 event pairs, 132 based on Foata normal form. 0/3358 useless extension candidates. Maximal degree in co-relation 4282. Up to 257 conditions per place. [2023-11-29 01:10:03,188 INFO L140 encePairwiseOnDemand]: 1070/1081 looper letters, 26 selfloop transitions, 1 changer transitions 0/994 dead transitions. [2023-11-29 01:10:03,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 985 places, 994 transitions, 2052 flow [2023-11-29 01:10:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:03,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3079 transitions. [2023-11-29 01:10:03,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9494295405488745 [2023-11-29 01:10:03,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3079 transitions. [2023-11-29 01:10:03,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3079 transitions. [2023-11-29 01:10:03,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:03,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3079 transitions. [2023-11-29 01:10:03,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1026.3333333333333) internal successors, (3079), 3 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:03,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:03,216 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:03,216 INFO L175 Difference]: Start difference. First operand has 1009 places, 1004 transitions, 2018 flow. Second operand 3 states and 3079 transitions. [2023-11-29 01:10:03,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 985 places, 994 transitions, 2052 flow [2023-11-29 01:10:03,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 994 transitions, 2048 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:03,231 INFO L231 Difference]: Finished difference. Result has 983 places, 994 transitions, 1996 flow [2023-11-29 01:10:03,233 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1994, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=993, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1996, PETRI_PLACES=983, PETRI_TRANSITIONS=994} [2023-11-29 01:10:03,233 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -31 predicate places. [2023-11-29 01:10:03,233 INFO L495 AbstractCegarLoop]: Abstraction has has 983 places, 994 transitions, 1996 flow [2023-11-29 01:10:03,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.0) internal successors, (3045), 3 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:03,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:03,236 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:03,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:10:03,236 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:03,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:03,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1092830789, now seen corresponding path program 1 times [2023-11-29 01:10:03,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:03,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139055397] [2023-11-29 01:10:03,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:03,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:03,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:03,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139055397] [2023-11-29 01:10:03,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139055397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:03,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:03,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:03,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108897991] [2023-11-29 01:10:03,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:03,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:03,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:03,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:03,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:03,366 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1028 out of 1081 [2023-11-29 01:10:03,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 994 transitions, 1996 flow. Second operand has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:03,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:03,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1028 of 1081 [2023-11-29 01:10:03,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:04,041 INFO L124 PetriNetUnfolderBase]: 62/2253 cut-off events. [2023-11-29 01:10:04,041 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2023-11-29 01:10:04,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2329 conditions, 2253 events. 62/2253 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11422 event pairs, 21 based on Foata normal form. 0/1881 useless extension candidates. Maximal degree in co-relation 2286. Up to 62 conditions per place. [2023-11-29 01:10:04,088 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 19 selfloop transitions, 2 changer transitions 0/993 dead transitions. [2023-11-29 01:10:04,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 993 transitions, 2036 flow [2023-11-29 01:10:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:04,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3106 transitions. [2023-11-29 01:10:04,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9577551649707061 [2023-11-29 01:10:04,099 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3106 transitions. [2023-11-29 01:10:04,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3106 transitions. [2023-11-29 01:10:04,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:04,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3106 transitions. [2023-11-29 01:10:04,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1035.3333333333333) internal successors, (3106), 3 states have internal predecessors, (3106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:04,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:04,126 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:04,126 INFO L175 Difference]: Start difference. First operand has 983 places, 994 transitions, 1996 flow. Second operand 3 states and 3106 transitions. [2023-11-29 01:10:04,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 993 transitions, 2036 flow [2023-11-29 01:10:04,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 993 transitions, 2035 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:10:04,147 INFO L231 Difference]: Finished difference. Result has 983 places, 993 transitions, 1997 flow [2023-11-29 01:10:04,149 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1993, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1997, PETRI_PLACES=983, PETRI_TRANSITIONS=993} [2023-11-29 01:10:04,150 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -31 predicate places. [2023-11-29 01:10:04,150 INFO L495 AbstractCegarLoop]: Abstraction has has 983 places, 993 transitions, 1997 flow [2023-11-29 01:10:04,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:04,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:04,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:04,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:10:04,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:04,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:04,154 INFO L85 PathProgramCache]: Analyzing trace with hash -659403950, now seen corresponding path program 1 times [2023-11-29 01:10:04,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:04,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038662381] [2023-11-29 01:10:04,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:04,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:04,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:04,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038662381] [2023-11-29 01:10:04,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038662381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:04,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:04,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:04,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194392621] [2023-11-29 01:10:04,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:04,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:04,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:04,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:04,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:04,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1081 [2023-11-29 01:10:04,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 993 transitions, 1997 flow. Second operand has 3 states, 3 states have (on average 1015.0) internal successors, (3045), 3 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:04,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:04,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1081 [2023-11-29 01:10:04,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:05,272 INFO L124 PetriNetUnfolderBase]: 119/2801 cut-off events. [2023-11-29 01:10:05,272 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-29 01:10:05,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2972 conditions, 2801 events. 119/2801 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 16637 event pairs, 60 based on Foata normal form. 0/2371 useless extension candidates. Maximal degree in co-relation 2930. Up to 149 conditions per place. [2023-11-29 01:10:05,345 INFO L140 encePairwiseOnDemand]: 1070/1081 looper letters, 26 selfloop transitions, 1 changer transitions 0/983 dead transitions. [2023-11-29 01:10:05,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 975 places, 983 transitions, 2031 flow [2023-11-29 01:10:05,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3079 transitions. [2023-11-29 01:10:05,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9494295405488745 [2023-11-29 01:10:05,358 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3079 transitions. [2023-11-29 01:10:05,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3079 transitions. [2023-11-29 01:10:05,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:05,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3079 transitions. [2023-11-29 01:10:05,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1026.3333333333333) internal successors, (3079), 3 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:05,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:05,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:05,386 INFO L175 Difference]: Start difference. First operand has 983 places, 993 transitions, 1997 flow. Second operand 3 states and 3079 transitions. [2023-11-29 01:10:05,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 975 places, 983 transitions, 2031 flow [2023-11-29 01:10:05,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 973 places, 983 transitions, 2027 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:05,411 INFO L231 Difference]: Finished difference. Result has 973 places, 983 transitions, 1975 flow [2023-11-29 01:10:05,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1973, PETRI_DIFFERENCE_MINUEND_PLACES=971, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=983, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1975, PETRI_PLACES=973, PETRI_TRANSITIONS=983} [2023-11-29 01:10:05,414 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -41 predicate places. [2023-11-29 01:10:05,415 INFO L495 AbstractCegarLoop]: Abstraction has has 973 places, 983 transitions, 1975 flow [2023-11-29 01:10:05,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.0) internal successors, (3045), 3 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:05,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:05,417 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:05,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:10:05,417 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:05,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:05,418 INFO L85 PathProgramCache]: Analyzing trace with hash -675579994, now seen corresponding path program 1 times [2023-11-29 01:10:05,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:05,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701771770] [2023-11-29 01:10:05,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:05,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:05,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:05,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701771770] [2023-11-29 01:10:05,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701771770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:05,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:05,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:05,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469864360] [2023-11-29 01:10:05,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:05,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:05,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:05,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:05,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:05,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1028 out of 1081 [2023-11-29 01:10:05,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 973 places, 983 transitions, 1975 flow. Second operand has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:05,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:05,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1028 of 1081 [2023-11-29 01:10:05,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:06,073 INFO L124 PetriNetUnfolderBase]: 74/1951 cut-off events. [2023-11-29 01:10:06,073 INFO L125 PetriNetUnfolderBase]: For 21/38 co-relation queries the response was YES. [2023-11-29 01:10:06,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2052 conditions, 1951 events. 74/1951 cut-off events. For 21/38 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 9258 event pairs, 39 based on Foata normal form. 0/1663 useless extension candidates. Maximal degree in co-relation 2009. Up to 89 conditions per place. [2023-11-29 01:10:06,110 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 19 selfloop transitions, 2 changer transitions 0/982 dead transitions. [2023-11-29 01:10:06,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 974 places, 982 transitions, 2015 flow [2023-11-29 01:10:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3106 transitions. [2023-11-29 01:10:06,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9577551649707061 [2023-11-29 01:10:06,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3106 transitions. [2023-11-29 01:10:06,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3106 transitions. [2023-11-29 01:10:06,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:06,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3106 transitions. [2023-11-29 01:10:06,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1035.3333333333333) internal successors, (3106), 3 states have internal predecessors, (3106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:06,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:06,134 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:06,134 INFO L175 Difference]: Start difference. First operand has 973 places, 983 transitions, 1975 flow. Second operand 3 states and 3106 transitions. [2023-11-29 01:10:06,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 974 places, 982 transitions, 2015 flow [2023-11-29 01:10:06,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 973 places, 982 transitions, 2014 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:10:06,150 INFO L231 Difference]: Finished difference. Result has 973 places, 982 transitions, 1976 flow [2023-11-29 01:10:06,151 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1972, PETRI_DIFFERENCE_MINUEND_PLACES=971, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=980, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1976, PETRI_PLACES=973, PETRI_TRANSITIONS=982} [2023-11-29 01:10:06,152 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -41 predicate places. [2023-11-29 01:10:06,152 INFO L495 AbstractCegarLoop]: Abstraction has has 973 places, 982 transitions, 1976 flow [2023-11-29 01:10:06,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:06,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:06,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:06,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:10:06,154 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:06,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:06,154 INFO L85 PathProgramCache]: Analyzing trace with hash 461443122, now seen corresponding path program 1 times [2023-11-29 01:10:06,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:06,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476102477] [2023-11-29 01:10:06,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:06,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:06,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:06,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476102477] [2023-11-29 01:10:06,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476102477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:06,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:06,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:06,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106077238] [2023-11-29 01:10:06,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:06,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:06,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:06,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:06,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:06,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1014 out of 1081 [2023-11-29 01:10:06,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 973 places, 982 transitions, 1976 flow. Second operand has 3 states, 3 states have (on average 1015.0) internal successors, (3045), 3 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:06,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:06,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1014 of 1081 [2023-11-29 01:10:06,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:07,230 INFO L124 PetriNetUnfolderBase]: 226/3743 cut-off events. [2023-11-29 01:10:07,230 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2023-11-29 01:10:07,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4034 conditions, 3743 events. 226/3743 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 27051 event pairs, 132 based on Foata normal form. 0/3189 useless extension candidates. Maximal degree in co-relation 3992. Up to 274 conditions per place. [2023-11-29 01:10:07,294 INFO L140 encePairwiseOnDemand]: 1070/1081 looper letters, 26 selfloop transitions, 1 changer transitions 0/972 dead transitions. [2023-11-29 01:10:07,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 965 places, 972 transitions, 2010 flow [2023-11-29 01:10:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3079 transitions. [2023-11-29 01:10:07,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9494295405488745 [2023-11-29 01:10:07,303 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3079 transitions. [2023-11-29 01:10:07,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3079 transitions. [2023-11-29 01:10:07,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:07,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3079 transitions. [2023-11-29 01:10:07,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1026.3333333333333) internal successors, (3079), 3 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,315 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,315 INFO L175 Difference]: Start difference. First operand has 973 places, 982 transitions, 1976 flow. Second operand 3 states and 3079 transitions. [2023-11-29 01:10:07,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 965 places, 972 transitions, 2010 flow [2023-11-29 01:10:07,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 963 places, 972 transitions, 2006 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:07,330 INFO L231 Difference]: Finished difference. Result has 963 places, 972 transitions, 1954 flow [2023-11-29 01:10:07,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1952, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=971, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1954, PETRI_PLACES=963, PETRI_TRANSITIONS=972} [2023-11-29 01:10:07,332 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -51 predicate places. [2023-11-29 01:10:07,332 INFO L495 AbstractCegarLoop]: Abstraction has has 963 places, 972 transitions, 1954 flow [2023-11-29 01:10:07,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.0) internal successors, (3045), 3 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,333 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:07,333 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:07,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:10:07,334 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:07,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1079269308, now seen corresponding path program 1 times [2023-11-29 01:10:07,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:07,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284314642] [2023-11-29 01:10:07,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:07,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:07,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:07,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284314642] [2023-11-29 01:10:07,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284314642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:07,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:07,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:07,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685766594] [2023-11-29 01:10:07,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:07,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:07,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:07,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:07,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:07,401 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1036 out of 1081 [2023-11-29 01:10:07,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 963 places, 972 transitions, 1954 flow. Second operand has 3 states, 3 states have (on average 1037.3333333333333) internal successors, (3112), 3 states have internal predecessors, (3112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:07,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1036 of 1081 [2023-11-29 01:10:07,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:07,661 INFO L124 PetriNetUnfolderBase]: 25/1279 cut-off events. [2023-11-29 01:10:07,662 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 01:10:07,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 1279 events. 25/1279 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3425 event pairs, 2 based on Foata normal form. 0/1121 useless extension candidates. Maximal degree in co-relation 1264. Up to 16 conditions per place. [2023-11-29 01:10:07,679 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 11 selfloop transitions, 2 changer transitions 0/971 dead transitions. [2023-11-29 01:10:07,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 971 transitions, 1978 flow [2023-11-29 01:10:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:07,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3122 transitions. [2023-11-29 01:10:07,687 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9626888683317916 [2023-11-29 01:10:07,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3122 transitions. [2023-11-29 01:10:07,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3122 transitions. [2023-11-29 01:10:07,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:07,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3122 transitions. [2023-11-29 01:10:07,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.6666666666667) internal successors, (3122), 3 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,704 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,704 INFO L175 Difference]: Start difference. First operand has 963 places, 972 transitions, 1954 flow. Second operand 3 states and 3122 transitions. [2023-11-29 01:10:07,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 971 transitions, 1978 flow [2023-11-29 01:10:07,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 963 places, 971 transitions, 1977 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:10:07,725 INFO L231 Difference]: Finished difference. Result has 963 places, 971 transitions, 1955 flow [2023-11-29 01:10:07,727 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1951, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=971, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=969, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1955, PETRI_PLACES=963, PETRI_TRANSITIONS=971} [2023-11-29 01:10:07,728 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -51 predicate places. [2023-11-29 01:10:07,728 INFO L495 AbstractCegarLoop]: Abstraction has has 963 places, 971 transitions, 1955 flow [2023-11-29 01:10:07,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1037.3333333333333) internal successors, (3112), 3 states have internal predecessors, (3112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:07,729 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:07,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:10:07,730 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:07,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:07,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1683682130, now seen corresponding path program 1 times [2023-11-29 01:10:07,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:07,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109886216] [2023-11-29 01:10:07,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:07,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:07,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:07,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109886216] [2023-11-29 01:10:07,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109886216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:07,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:07,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:07,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878400247] [2023-11-29 01:10:07,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:07,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:07,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:07,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:07,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:07,805 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1081 [2023-11-29 01:10:07,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 963 places, 971 transitions, 1955 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:07,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:07,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1081 [2023-11-29 01:10:07,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:08,224 INFO L124 PetriNetUnfolderBase]: 41/1894 cut-off events. [2023-11-29 01:10:08,224 INFO L125 PetriNetUnfolderBase]: For 3/7 co-relation queries the response was YES. [2023-11-29 01:10:08,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1937 conditions, 1894 events. 41/1894 cut-off events. For 3/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8621 event pairs, 6 based on Foata normal form. 0/1637 useless extension candidates. Maximal degree in co-relation 1894. Up to 25 conditions per place. [2023-11-29 01:10:08,258 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 12 selfloop transitions, 2 changer transitions 0/970 dead transitions. [2023-11-29 01:10:08,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 970 transitions, 1981 flow [2023-11-29 01:10:08,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2023-11-29 01:10:08,264 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9620721554116559 [2023-11-29 01:10:08,264 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2023-11-29 01:10:08,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2023-11-29 01:10:08,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:08,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2023-11-29 01:10:08,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,276 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,276 INFO L175 Difference]: Start difference. First operand has 963 places, 971 transitions, 1955 flow. Second operand 3 states and 3120 transitions. [2023-11-29 01:10:08,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 970 transitions, 1981 flow [2023-11-29 01:10:08,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 970 transitions, 1977 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:08,290 INFO L231 Difference]: Finished difference. Result has 962 places, 970 transitions, 1953 flow [2023-11-29 01:10:08,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1949, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1953, PETRI_PLACES=962, PETRI_TRANSITIONS=970} [2023-11-29 01:10:08,292 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -52 predicate places. [2023-11-29 01:10:08,292 INFO L495 AbstractCegarLoop]: Abstraction has has 962 places, 970 transitions, 1953 flow [2023-11-29 01:10:08,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:08,293 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:08,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:10:08,294 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:08,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:08,294 INFO L85 PathProgramCache]: Analyzing trace with hash -132271162, now seen corresponding path program 1 times [2023-11-29 01:10:08,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:08,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520010454] [2023-11-29 01:10:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:08,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:08,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520010454] [2023-11-29 01:10:08,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520010454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:08,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:08,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:08,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894214219] [2023-11-29 01:10:08,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:08,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:08,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:08,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:08,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:08,361 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1081 [2023-11-29 01:10:08,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 970 transitions, 1953 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:08,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1081 [2023-11-29 01:10:08,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:08,882 INFO L124 PetriNetUnfolderBase]: 41/1893 cut-off events. [2023-11-29 01:10:08,882 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 01:10:08,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1936 conditions, 1893 events. 41/1893 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8625 event pairs, 6 based on Foata normal form. 0/1637 useless extension candidates. Maximal degree in co-relation 1893. Up to 25 conditions per place. [2023-11-29 01:10:08,916 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 12 selfloop transitions, 2 changer transitions 0/969 dead transitions. [2023-11-29 01:10:08,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 963 places, 969 transitions, 1979 flow [2023-11-29 01:10:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2023-11-29 01:10:08,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9620721554116559 [2023-11-29 01:10:08,924 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2023-11-29 01:10:08,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2023-11-29 01:10:08,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:08,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2023-11-29 01:10:08,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,938 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,938 INFO L175 Difference]: Start difference. First operand has 962 places, 970 transitions, 1953 flow. Second operand 3 states and 3120 transitions. [2023-11-29 01:10:08,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 963 places, 969 transitions, 1979 flow [2023-11-29 01:10:08,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 961 places, 969 transitions, 1975 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:08,963 INFO L231 Difference]: Finished difference. Result has 961 places, 969 transitions, 1951 flow [2023-11-29 01:10:08,965 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1947, PETRI_DIFFERENCE_MINUEND_PLACES=959, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=967, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1951, PETRI_PLACES=961, PETRI_TRANSITIONS=969} [2023-11-29 01:10:08,966 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -53 predicate places. [2023-11-29 01:10:08,966 INFO L495 AbstractCegarLoop]: Abstraction has has 961 places, 969 transitions, 1951 flow [2023-11-29 01:10:08,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:08,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:08,968 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:08,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:10:08,968 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:08,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:08,969 INFO L85 PathProgramCache]: Analyzing trace with hash 426445876, now seen corresponding path program 1 times [2023-11-29 01:10:08,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:08,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602292608] [2023-11-29 01:10:08,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:08,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:09,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:09,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602292608] [2023-11-29 01:10:09,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602292608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:09,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:09,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:09,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907719470] [2023-11-29 01:10:09,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:09,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:09,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:09,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:09,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:09,046 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1081 [2023-11-29 01:10:09,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 969 transitions, 1951 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:09,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:09,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1081 [2023-11-29 01:10:09,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:09,358 INFO L124 PetriNetUnfolderBase]: 22/1134 cut-off events. [2023-11-29 01:10:09,359 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-29 01:10:09,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1164 conditions, 1134 events. 22/1134 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2649 event pairs, 2 based on Foata normal form. 0/1003 useless extension candidates. Maximal degree in co-relation 1121. Up to 17 conditions per place. [2023-11-29 01:10:09,377 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 12 selfloop transitions, 2 changer transitions 0/968 dead transitions. [2023-11-29 01:10:09,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 968 transitions, 1977 flow [2023-11-29 01:10:09,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2023-11-29 01:10:09,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9620721554116559 [2023-11-29 01:10:09,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2023-11-29 01:10:09,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2023-11-29 01:10:09,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:09,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2023-11-29 01:10:09,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:09,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:09,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:09,403 INFO L175 Difference]: Start difference. First operand has 961 places, 969 transitions, 1951 flow. Second operand 3 states and 3120 transitions. [2023-11-29 01:10:09,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 968 transitions, 1977 flow [2023-11-29 01:10:09,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 968 transitions, 1973 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:09,424 INFO L231 Difference]: Finished difference. Result has 960 places, 968 transitions, 1949 flow [2023-11-29 01:10:09,426 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1945, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1949, PETRI_PLACES=960, PETRI_TRANSITIONS=968} [2023-11-29 01:10:09,427 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -54 predicate places. [2023-11-29 01:10:09,427 INFO L495 AbstractCegarLoop]: Abstraction has has 960 places, 968 transitions, 1949 flow [2023-11-29 01:10:09,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:09,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:09,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:09,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:10:09,428 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:09,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:09,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1177395702, now seen corresponding path program 1 times [2023-11-29 01:10:09,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:09,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195223762] [2023-11-29 01:10:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:09,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:09,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:09,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195223762] [2023-11-29 01:10:09,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195223762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:09,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:09,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:09,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660059784] [2023-11-29 01:10:09,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:09,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:09,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:09,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:09,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:09,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1081 [2023-11-29 01:10:09,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 968 transitions, 1949 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:09,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:09,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1081 [2023-11-29 01:10:09,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:09,983 INFO L124 PetriNetUnfolderBase]: 32/1465 cut-off events. [2023-11-29 01:10:09,983 INFO L125 PetriNetUnfolderBase]: For 6/30 co-relation queries the response was YES. [2023-11-29 01:10:10,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1505 conditions, 1465 events. 32/1465 cut-off events. For 6/30 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5255 event pairs, 6 based on Foata normal form. 0/1280 useless extension candidates. Maximal degree in co-relation 1462. Up to 25 conditions per place. [2023-11-29 01:10:10,014 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 12 selfloop transitions, 2 changer transitions 0/967 dead transitions. [2023-11-29 01:10:10,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 967 transitions, 1975 flow [2023-11-29 01:10:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2023-11-29 01:10:10,024 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9620721554116559 [2023-11-29 01:10:10,024 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2023-11-29 01:10:10,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2023-11-29 01:10:10,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:10,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2023-11-29 01:10:10,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,036 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,036 INFO L175 Difference]: Start difference. First operand has 960 places, 968 transitions, 1949 flow. Second operand 3 states and 3120 transitions. [2023-11-29 01:10:10,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 967 transitions, 1975 flow [2023-11-29 01:10:10,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 967 transitions, 1971 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:10,054 INFO L231 Difference]: Finished difference. Result has 959 places, 967 transitions, 1947 flow [2023-11-29 01:10:10,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1943, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=967, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=965, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1947, PETRI_PLACES=959, PETRI_TRANSITIONS=967} [2023-11-29 01:10:10,056 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -55 predicate places. [2023-11-29 01:10:10,056 INFO L495 AbstractCegarLoop]: Abstraction has has 959 places, 967 transitions, 1947 flow [2023-11-29 01:10:10,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:10,057 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:10,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:10:10,057 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:10,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:10,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1430699580, now seen corresponding path program 1 times [2023-11-29 01:10:10,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:10,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069132069] [2023-11-29 01:10:10,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:10,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:10,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:10,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069132069] [2023-11-29 01:10:10,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069132069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:10,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:10,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:10,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200120988] [2023-11-29 01:10:10,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:10,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:10,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:10,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:10,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:10,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1081 [2023-11-29 01:10:10,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 967 transitions, 1947 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:10,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1081 [2023-11-29 01:10:10,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:10,634 INFO L124 PetriNetUnfolderBase]: 32/1464 cut-off events. [2023-11-29 01:10:10,634 INFO L125 PetriNetUnfolderBase]: For 6/22 co-relation queries the response was YES. [2023-11-29 01:10:10,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1504 conditions, 1464 events. 32/1464 cut-off events. For 6/22 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5229 event pairs, 6 based on Foata normal form. 0/1281 useless extension candidates. Maximal degree in co-relation 1461. Up to 25 conditions per place. [2023-11-29 01:10:10,662 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 12 selfloop transitions, 2 changer transitions 0/966 dead transitions. [2023-11-29 01:10:10,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 966 transitions, 1973 flow [2023-11-29 01:10:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2023-11-29 01:10:10,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9620721554116559 [2023-11-29 01:10:10,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2023-11-29 01:10:10,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2023-11-29 01:10:10,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:10,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2023-11-29 01:10:10,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,682 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,682 INFO L175 Difference]: Start difference. First operand has 959 places, 967 transitions, 1947 flow. Second operand 3 states and 3120 transitions. [2023-11-29 01:10:10,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 966 transitions, 1973 flow [2023-11-29 01:10:10,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 958 places, 966 transitions, 1969 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:10,699 INFO L231 Difference]: Finished difference. Result has 958 places, 966 transitions, 1945 flow [2023-11-29 01:10:10,701 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1941, PETRI_DIFFERENCE_MINUEND_PLACES=956, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=966, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=964, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1945, PETRI_PLACES=958, PETRI_TRANSITIONS=966} [2023-11-29 01:10:10,701 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -56 predicate places. [2023-11-29 01:10:10,701 INFO L495 AbstractCegarLoop]: Abstraction has has 958 places, 966 transitions, 1945 flow [2023-11-29 01:10:10,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,702 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:10,702 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:10,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:10:10,703 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:10,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:10,703 INFO L85 PathProgramCache]: Analyzing trace with hash 40966072, now seen corresponding path program 1 times [2023-11-29 01:10:10,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:10,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187342001] [2023-11-29 01:10:10,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:10,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:10,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:10,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187342001] [2023-11-29 01:10:10,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187342001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:10,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:10,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:10,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155934000] [2023-11-29 01:10:10,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:10,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:10,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:10,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:10,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:10,778 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1081 [2023-11-29 01:10:10,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 966 transitions, 1945 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:10,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:10,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1081 [2023-11-29 01:10:10,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:11,046 INFO L124 PetriNetUnfolderBase]: 19/995 cut-off events. [2023-11-29 01:10:11,047 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 01:10:11,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 995 events. 19/995 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2117 event pairs, 2 based on Foata normal form. 0/892 useless extension candidates. Maximal degree in co-relation 981. Up to 17 conditions per place. [2023-11-29 01:10:11,058 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 12 selfloop transitions, 2 changer transitions 0/965 dead transitions. [2023-11-29 01:10:11,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 965 transitions, 1971 flow [2023-11-29 01:10:11,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:11,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2023-11-29 01:10:11,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9620721554116559 [2023-11-29 01:10:11,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:11,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,074 INFO L175 Difference]: Start difference. First operand has 958 places, 966 transitions, 1945 flow. Second operand 3 states and 3120 transitions. [2023-11-29 01:10:11,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 965 transitions, 1971 flow [2023-11-29 01:10:11,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 965 transitions, 1967 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:11,087 INFO L231 Difference]: Finished difference. Result has 957 places, 965 transitions, 1943 flow [2023-11-29 01:10:11,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1939, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=965, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=963, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1943, PETRI_PLACES=957, PETRI_TRANSITIONS=965} [2023-11-29 01:10:11,089 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -57 predicate places. [2023-11-29 01:10:11,089 INFO L495 AbstractCegarLoop]: Abstraction has has 957 places, 965 transitions, 1943 flow [2023-11-29 01:10:11,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:11,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:11,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:10:11,090 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:11,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:11,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1528248307, now seen corresponding path program 1 times [2023-11-29 01:10:11,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:11,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096164031] [2023-11-29 01:10:11,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:11,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:11,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:11,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096164031] [2023-11-29 01:10:11,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096164031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:11,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:11,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:11,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793246023] [2023-11-29 01:10:11,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:11,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:11,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:11,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:11,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:11,155 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1081 [2023-11-29 01:10:11,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 965 transitions, 1943 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:11,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1081 [2023-11-29 01:10:11,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:11,401 INFO L124 PetriNetUnfolderBase]: 29/1230 cut-off events. [2023-11-29 01:10:11,401 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2023-11-29 01:10:11,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1267 conditions, 1230 events. 29/1230 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3175 event pairs, 6 based on Foata normal form. 0/1083 useless extension candidates. Maximal degree in co-relation 1224. Up to 25 conditions per place. [2023-11-29 01:10:11,417 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 12 selfloop transitions, 2 changer transitions 0/964 dead transitions. [2023-11-29 01:10:11,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 964 transitions, 1969 flow [2023-11-29 01:10:11,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2023-11-29 01:10:11,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9620721554116559 [2023-11-29 01:10:11,425 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:11,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,433 INFO L175 Difference]: Start difference. First operand has 957 places, 965 transitions, 1943 flow. Second operand 3 states and 3120 transitions. [2023-11-29 01:10:11,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 964 transitions, 1969 flow [2023-11-29 01:10:11,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 956 places, 964 transitions, 1965 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:11,447 INFO L231 Difference]: Finished difference. Result has 956 places, 964 transitions, 1941 flow [2023-11-29 01:10:11,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1937, PETRI_DIFFERENCE_MINUEND_PLACES=954, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=964, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=962, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1941, PETRI_PLACES=956, PETRI_TRANSITIONS=964} [2023-11-29 01:10:11,449 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -58 predicate places. [2023-11-29 01:10:11,449 INFO L495 AbstractCegarLoop]: Abstraction has has 956 places, 964 transitions, 1941 flow [2023-11-29 01:10:11,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:11,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:11,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:10:11,450 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:11,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:11,450 INFO L85 PathProgramCache]: Analyzing trace with hash -914159682, now seen corresponding path program 1 times [2023-11-29 01:10:11,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:11,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241598720] [2023-11-29 01:10:11,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:11,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:11,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:11,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241598720] [2023-11-29 01:10:11,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241598720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:11,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:11,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:11,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326099037] [2023-11-29 01:10:11,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:11,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:11,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:11,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:11,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:11,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1081 [2023-11-29 01:10:11,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 956 places, 964 transitions, 1941 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:11,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1081 [2023-11-29 01:10:11,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:11,755 INFO L124 PetriNetUnfolderBase]: 29/1191 cut-off events. [2023-11-29 01:10:11,755 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2023-11-29 01:10:11,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1228 conditions, 1191 events. 29/1191 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3061 event pairs, 6 based on Foata normal form. 0/1051 useless extension candidates. Maximal degree in co-relation 1185. Up to 25 conditions per place. [2023-11-29 01:10:11,772 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 12 selfloop transitions, 2 changer transitions 0/963 dead transitions. [2023-11-29 01:10:11,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 957 places, 963 transitions, 1967 flow [2023-11-29 01:10:11,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2023-11-29 01:10:11,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9620721554116559 [2023-11-29 01:10:11,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:11,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2023-11-29 01:10:11,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,788 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,788 INFO L175 Difference]: Start difference. First operand has 956 places, 964 transitions, 1941 flow. Second operand 3 states and 3120 transitions. [2023-11-29 01:10:11,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 957 places, 963 transitions, 1967 flow [2023-11-29 01:10:11,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 955 places, 963 transitions, 1963 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:11,802 INFO L231 Difference]: Finished difference. Result has 955 places, 963 transitions, 1939 flow [2023-11-29 01:10:11,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1935, PETRI_DIFFERENCE_MINUEND_PLACES=953, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=961, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1939, PETRI_PLACES=955, PETRI_TRANSITIONS=963} [2023-11-29 01:10:11,805 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -59 predicate places. [2023-11-29 01:10:11,805 INFO L495 AbstractCegarLoop]: Abstraction has has 955 places, 963 transitions, 1939 flow [2023-11-29 01:10:11,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:11,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:11,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:10:11,806 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:11,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:11,806 INFO L85 PathProgramCache]: Analyzing trace with hash -248508112, now seen corresponding path program 1 times [2023-11-29 01:10:11,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:11,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037322269] [2023-11-29 01:10:11,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:11,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:11,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:11,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037322269] [2023-11-29 01:10:11,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037322269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:11,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:11,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:11,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043490000] [2023-11-29 01:10:11,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:11,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:11,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:11,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:11,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:11,884 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1034 out of 1081 [2023-11-29 01:10:11,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 955 places, 963 transitions, 1939 flow. Second operand has 3 states, 3 states have (on average 1035.3333333333333) internal successors, (3106), 3 states have internal predecessors, (3106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:11,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:11,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1034 of 1081 [2023-11-29 01:10:11,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:10:12,345 INFO L124 PetriNetUnfolderBase]: 61/2134 cut-off events. [2023-11-29 01:10:12,345 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 01:10:12,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2206 conditions, 2134 events. 61/2134 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 10882 event pairs, 20 based on Foata normal form. 0/1836 useless extension candidates. Maximal degree in co-relation 2163. Up to 50 conditions per place. [2023-11-29 01:10:12,380 INFO L140 encePairwiseOnDemand]: 1078/1081 looper letters, 13 selfloop transitions, 2 changer transitions 0/962 dead transitions. [2023-11-29 01:10:12,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 956 places, 962 transitions, 1967 flow [2023-11-29 01:10:12,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:10:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3118 transitions. [2023-11-29 01:10:12,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9614554424915202 [2023-11-29 01:10:12,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3118 transitions. [2023-11-29 01:10:12,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3118 transitions. [2023-11-29 01:10:12,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:10:12,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3118 transitions. [2023-11-29 01:10:12,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1039.3333333333333) internal successors, (3118), 3 states have internal predecessors, (3118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:12,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:12,397 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1081.0) internal successors, (4324), 4 states have internal predecessors, (4324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:12,397 INFO L175 Difference]: Start difference. First operand has 955 places, 963 transitions, 1939 flow. Second operand 3 states and 3118 transitions. [2023-11-29 01:10:12,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 956 places, 962 transitions, 1967 flow [2023-11-29 01:10:12,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 954 places, 962 transitions, 1963 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:10:12,413 INFO L231 Difference]: Finished difference. Result has 954 places, 962 transitions, 1937 flow [2023-11-29 01:10:12,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1081, PETRI_DIFFERENCE_MINUEND_FLOW=1933, PETRI_DIFFERENCE_MINUEND_PLACES=952, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=960, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1937, PETRI_PLACES=954, PETRI_TRANSITIONS=962} [2023-11-29 01:10:12,414 INFO L281 CegarLoopForPetriNet]: 1014 programPoint places, -60 predicate places. [2023-11-29 01:10:12,414 INFO L495 AbstractCegarLoop]: Abstraction has has 954 places, 962 transitions, 1937 flow [2023-11-29 01:10:12,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1035.3333333333333) internal successors, (3106), 3 states have internal predecessors, (3106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:12,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:10:12,415 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:12,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 01:10:12,415 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 193 more)] === [2023-11-29 01:10:12,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:12,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1016363657, now seen corresponding path program 1 times [2023-11-29 01:10:12,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:12,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663094795] [2023-11-29 01:10:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:12,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:10:13,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:13,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663094795] [2023-11-29 01:10:13,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663094795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:13,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:13,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:10:13,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353834541] [2023-11-29 01:10:13,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:13,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:10:13,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:13,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:10:13,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:10:14,003 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 934 out of 1081 [2023-11-29 01:10:14,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 954 places, 962 transitions, 1937 flow. Second operand has 6 states, 6 states have (on average 935.5) internal successors, (5613), 6 states have internal predecessors, (5613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:10:14,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:10:14,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 934 of 1081 [2023-11-29 01:10:14,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand