./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU --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 c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:25,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:25,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:18:25,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:25,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:25,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:25,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:25,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:25,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:25,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:25,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:25,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:25,284 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:25,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:25,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:25,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:25,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:25,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:25,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:25,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:25,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:25,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:25,293 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:18:25,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:25,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:25,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:25,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:25,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:25,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:25,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:25,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:25,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:25,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:25,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:25,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:25,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:25,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:25,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:25,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:25,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:25,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:25,302 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_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2024-10-31 22:18:25,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:25,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:25,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:25,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:25,645 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:25,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c Unable to find full path for "g++" [2024-10-31 22:18:27,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:28,130 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:28,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-10-31 22:18:28,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/data/41ba15910/491895bee298449289e1863a17527f2d/FLAG91970fb19 [2024-10-31 22:18:28,410 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/data/41ba15910/491895bee298449289e1863a17527f2d [2024-10-31 22:18:28,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:28,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:28,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:28,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:28,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:28,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:28,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4ca76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28, skipping insertion in model container [2024-10-31 22:18:28,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:28,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:28,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:28,797 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:28,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:28,887 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:28,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28 WrapperNode [2024-10-31 22:18:28,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:28,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:28,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:28,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:28,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:28,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,021 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 793 [2024-10-31 22:18:29,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:29,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:29,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:29,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:29,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:29,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:29,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:29,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:29,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (1/1) ... [2024-10-31 22:18:29,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:29,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:29,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:29,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394246a6-befb-40c5-8ad1-bec13d027b64/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:18:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:18:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:18:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:18:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:18:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:18:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:18:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:18:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:18:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:18:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:29,253 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:18:29,447 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:29,449 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:31,113 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:18:31,114 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:31,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:31,161 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 22:18:31,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:31 BoogieIcfgContainer [2024-10-31 22:18:31,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:31,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:31,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:31,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:31,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:28" (1/3) ... [2024-10-31 22:18:31,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a626537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:31, skipping insertion in model container [2024-10-31 22:18:31,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:28" (2/3) ... [2024-10-31 22:18:31,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a626537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:31, skipping insertion in model container [2024-10-31 22:18:31,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:31" (3/3) ... [2024-10-31 22:18:31,170 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2024-10-31 22:18:31,190 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:31,190 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2024-10-31 22:18:31,190 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:18:31,444 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 22:18:31,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1010 places, 1048 transitions, 2117 flow [2024-10-31 22:18:32,130 INFO L124 PetriNetUnfolderBase]: 48/1045 cut-off events. [2024-10-31 22:18:32,131 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:18:32,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 1045 events. 48/1045 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2154 event pairs, 0 based on Foata normal form. 0/883 useless extension candidates. Maximal degree in co-relation 855. Up to 2 conditions per place. [2024-10-31 22:18:32,156 INFO L82 GeneralOperation]: Start removeDead. Operand has 1010 places, 1048 transitions, 2117 flow [2024-10-31 22:18:32,181 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 988 places, 1024 transitions, 2066 flow [2024-10-31 22:18:32,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:32,204 INFO L333 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, 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;@5295d4a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:32,204 INFO L334 AbstractCegarLoop]: Starting to check reachability of 192 error locations. [2024-10-31 22:18:32,209 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:32,210 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-10-31 22:18:32,211 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:32,211 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:32,212 INFO L204 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] [2024-10-31 22:18:32,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:32,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:32,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1350031626, now seen corresponding path program 1 times [2024-10-31 22:18:32,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:32,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114086379] [2024-10-31 22:18:32,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:32,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:32,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:32,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114086379] [2024-10-31 22:18:32,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114086379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:32,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:32,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:32,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066467745] [2024-10-31 22:18:32,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:32,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:32,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:32,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:32,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:32,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-10-31 22:18:32,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 988 places, 1024 transitions, 2066 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:32,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:32,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-10-31 22:18:32,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:33,759 INFO L124 PetriNetUnfolderBase]: 54/1757 cut-off events. [2024-10-31 22:18:33,760 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-31 22:18:33,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1852 conditions, 1757 events. 54/1757 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8002 event pairs, 21 based on Foata normal form. 59/1515 useless extension candidates. Maximal degree in co-relation 1271. Up to 62 conditions per place. [2024-10-31 22:18:33,905 INFO L140 encePairwiseOnDemand]: 1017/1048 looper letters, 19 selfloop transitions, 2 changer transitions 16/995 dead transitions. [2024-10-31 22:18:33,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 989 places, 995 transitions, 2050 flow [2024-10-31 22:18:33,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3035 transitions. [2024-10-31 22:18:33,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9653307888040712 [2024-10-31 22:18:33,935 INFO L175 Difference]: Start difference. First operand has 988 places, 1024 transitions, 2066 flow. Second operand 3 states and 3035 transitions. [2024-10-31 22:18:33,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 989 places, 995 transitions, 2050 flow [2024-10-31 22:18:33,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 995 transitions, 2038 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:18:33,967 INFO L231 Difference]: Finished difference. Result has 983 places, 979 transitions, 1968 flow [2024-10-31 22:18:33,971 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=993, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1968, PETRI_PLACES=983, PETRI_TRANSITIONS=979} [2024-10-31 22:18:33,977 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -5 predicate places. [2024-10-31 22:18:33,977 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 979 transitions, 1968 flow [2024-10-31 22:18:33,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:33,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:33,980 INFO L204 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] [2024-10-31 22:18:33,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:33,982 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:33,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:33,983 INFO L85 PathProgramCache]: Analyzing trace with hash 860022617, now seen corresponding path program 1 times [2024-10-31 22:18:33,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:33,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378612171] [2024-10-31 22:18:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:33,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:34,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:34,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378612171] [2024-10-31 22:18:34,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378612171] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:34,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:34,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:34,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145741826] [2024-10-31 22:18:34,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:34,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:34,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:34,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:34,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:34,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-10-31 22:18:34,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 979 transitions, 1968 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:34,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:34,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-10-31 22:18:34,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:35,440 INFO L124 PetriNetUnfolderBase]: 114/2523 cut-off events. [2024-10-31 22:18:35,440 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-31 22:18:35,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2690 conditions, 2523 events. 114/2523 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 15113 event pairs, 60 based on Foata normal form. 0/2116 useless extension candidates. Maximal degree in co-relation 2647. Up to 146 conditions per place. [2024-10-31 22:18:35,534 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/969 dead transitions. [2024-10-31 22:18:35,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 969 transitions, 2002 flow [2024-10-31 22:18:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:35,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:35,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-10-31 22:18:35,546 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-10-31 22:18:35,547 INFO L175 Difference]: Start difference. First operand has 983 places, 979 transitions, 1968 flow. Second operand 3 states and 2980 transitions. [2024-10-31 22:18:35,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 969 transitions, 2002 flow [2024-10-31 22:18:35,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 969 transitions, 1998 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:35,570 INFO L231 Difference]: Finished difference. Result has 957 places, 969 transitions, 1946 flow [2024-10-31 22:18:35,572 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1946, PETRI_PLACES=957, PETRI_TRANSITIONS=969} [2024-10-31 22:18:35,573 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -31 predicate places. [2024-10-31 22:18:35,573 INFO L471 AbstractCegarLoop]: Abstraction has has 957 places, 969 transitions, 1946 flow [2024-10-31 22:18:35,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:35,576 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:35,576 INFO L204 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] [2024-10-31 22:18:35,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:18:35,577 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:35,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:35,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1639064396, now seen corresponding path program 1 times [2024-10-31 22:18:35,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:35,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879943157] [2024-10-31 22:18:35,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:35,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:35,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:35,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879943157] [2024-10-31 22:18:35,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879943157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:35,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:35,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:35,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113093142] [2024-10-31 22:18:35,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:35,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:35,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:35,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:35,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:35,728 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-10-31 22:18:35,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 969 transitions, 1946 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:35,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:35,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-10-31 22:18:35,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:36,917 INFO L124 PetriNetUnfolderBase]: 90/2666 cut-off events. [2024-10-31 22:18:36,917 INFO L125 PetriNetUnfolderBase]: For 5/9 co-relation queries the response was YES. [2024-10-31 22:18:36,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2666 events. 90/2666 cut-off events. For 5/9 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16387 event pairs, 39 based on Foata normal form. 0/2208 useless extension candidates. Maximal degree in co-relation 2738. Up to 89 conditions per place. [2024-10-31 22:18:36,984 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 19 selfloop transitions, 2 changer transitions 0/968 dead transitions. [2024-10-31 22:18:36,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 968 transitions, 1986 flow [2024-10-31 22:18:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3007 transitions. [2024-10-31 22:18:36,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9564249363867684 [2024-10-31 22:18:36,991 INFO L175 Difference]: Start difference. First operand has 957 places, 969 transitions, 1946 flow. Second operand 3 states and 3007 transitions. [2024-10-31 22:18:36,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 968 transitions, 1986 flow [2024-10-31 22:18:36,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 968 transitions, 1985 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:18:37,011 INFO L231 Difference]: Finished difference. Result has 957 places, 968 transitions, 1947 flow [2024-10-31 22:18:37,013 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1943, PETRI_DIFFERENCE_MINUEND_PLACES=955, 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=1947, PETRI_PLACES=957, PETRI_TRANSITIONS=968} [2024-10-31 22:18:37,014 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -31 predicate places. [2024-10-31 22:18:37,015 INFO L471 AbstractCegarLoop]: Abstraction has has 957 places, 968 transitions, 1947 flow [2024-10-31 22:18:37,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:37,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:37,017 INFO L204 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] [2024-10-31 22:18:37,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:18:37,018 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:37,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:37,019 INFO L85 PathProgramCache]: Analyzing trace with hash 752671738, now seen corresponding path program 1 times [2024-10-31 22:18:37,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:37,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865810895] [2024-10-31 22:18:37,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:37,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:37,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:37,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865810895] [2024-10-31 22:18:37,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865810895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:37,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:37,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:37,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041861408] [2024-10-31 22:18:37,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:37,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:37,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:37,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:37,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:37,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-10-31 22:18:37,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 968 transitions, 1947 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:37,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:37,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-10-31 22:18:37,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:38,964 INFO L124 PetriNetUnfolderBase]: 225/3970 cut-off events. [2024-10-31 22:18:38,965 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-31 22:18:39,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4298 conditions, 3970 events. 225/3970 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 30239 event pairs, 132 based on Foata normal form. 0/3337 useless extension candidates. Maximal degree in co-relation 4256. Up to 264 conditions per place. [2024-10-31 22:18:39,137 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/958 dead transitions. [2024-10-31 22:18:39,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 958 transitions, 1981 flow [2024-10-31 22:18:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-10-31 22:18:39,147 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-10-31 22:18:39,148 INFO L175 Difference]: Start difference. First operand has 957 places, 968 transitions, 1947 flow. Second operand 3 states and 2980 transitions. [2024-10-31 22:18:39,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 958 transitions, 1981 flow [2024-10-31 22:18:39,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 958 transitions, 1977 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:39,173 INFO L231 Difference]: Finished difference. Result has 947 places, 958 transitions, 1925 flow [2024-10-31 22:18:39,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1923, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=957, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1925, PETRI_PLACES=947, PETRI_TRANSITIONS=958} [2024-10-31 22:18:39,176 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -41 predicate places. [2024-10-31 22:18:39,176 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 958 transitions, 1925 flow [2024-10-31 22:18:39,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:39,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:39,180 INFO L204 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] [2024-10-31 22:18:39,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:18:39,181 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:39,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1448313385, now seen corresponding path program 1 times [2024-10-31 22:18:39,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:39,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495828513] [2024-10-31 22:18:39,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:39,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:39,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:39,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495828513] [2024-10-31 22:18:39,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495828513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:39,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:39,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:39,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892690918] [2024-10-31 22:18:39,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:39,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:39,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:39,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:39,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:39,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-10-31 22:18:39,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 958 transitions, 1925 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:39,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:39,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-10-31 22:18:39,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:40,165 INFO L124 PetriNetUnfolderBase]: 75/1833 cut-off events. [2024-10-31 22:18:40,165 INFO L125 PetriNetUnfolderBase]: For 20/47 co-relation queries the response was YES. [2024-10-31 22:18:40,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 1833 events. 75/1833 cut-off events. For 20/47 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8414 event pairs, 39 based on Foata normal form. 0/1560 useless extension candidates. Maximal degree in co-relation 1891. Up to 89 conditions per place. [2024-10-31 22:18:40,203 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 19 selfloop transitions, 2 changer transitions 0/957 dead transitions. [2024-10-31 22:18:40,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 957 transitions, 1965 flow [2024-10-31 22:18:40,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:40,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3007 transitions. [2024-10-31 22:18:40,210 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9564249363867684 [2024-10-31 22:18:40,210 INFO L175 Difference]: Start difference. First operand has 947 places, 958 transitions, 1925 flow. Second operand 3 states and 3007 transitions. [2024-10-31 22:18:40,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 957 transitions, 1965 flow [2024-10-31 22:18:40,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 957 transitions, 1964 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:18:40,225 INFO L231 Difference]: Finished difference. Result has 947 places, 957 transitions, 1926 flow [2024-10-31 22:18:40,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1922, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=957, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=955, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1926, PETRI_PLACES=947, PETRI_TRANSITIONS=957} [2024-10-31 22:18:40,228 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -41 predicate places. [2024-10-31 22:18:40,228 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 957 transitions, 1926 flow [2024-10-31 22:18:40,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:40,230 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:40,230 INFO L204 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] [2024-10-31 22:18:40,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:18:40,231 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:40,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:40,231 INFO L85 PathProgramCache]: Analyzing trace with hash 573038134, now seen corresponding path program 1 times [2024-10-31 22:18:40,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:40,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366372553] [2024-10-31 22:18:40,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:40,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:40,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:40,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366372553] [2024-10-31 22:18:40,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366372553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:40,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:40,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:40,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632796022] [2024-10-31 22:18:40,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:40,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:40,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:40,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:40,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:40,349 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-10-31 22:18:40,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 957 transitions, 1926 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:40,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:40,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-10-31 22:18:40,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:41,729 INFO L124 PetriNetUnfolderBase]: 227/3703 cut-off events. [2024-10-31 22:18:41,729 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2024-10-31 22:18:41,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3994 conditions, 3703 events. 227/3703 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 26982 event pairs, 132 based on Foata normal form. 0/3155 useless extension candidates. Maximal degree in co-relation 3952. Up to 274 conditions per place. [2024-10-31 22:18:41,818 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/947 dead transitions. [2024-10-31 22:18:41,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 947 transitions, 1960 flow [2024-10-31 22:18:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-10-31 22:18:41,829 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-10-31 22:18:41,829 INFO L175 Difference]: Start difference. First operand has 947 places, 957 transitions, 1926 flow. Second operand 3 states and 2980 transitions. [2024-10-31 22:18:41,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 947 transitions, 1960 flow [2024-10-31 22:18:41,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 947 transitions, 1956 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:41,853 INFO L231 Difference]: Finished difference. Result has 937 places, 947 transitions, 1904 flow [2024-10-31 22:18:41,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1902, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=946, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1904, PETRI_PLACES=937, PETRI_TRANSITIONS=947} [2024-10-31 22:18:41,856 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -51 predicate places. [2024-10-31 22:18:41,857 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 947 transitions, 1904 flow [2024-10-31 22:18:41,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:41,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:41,860 INFO L204 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] [2024-10-31 22:18:41,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:18:41,861 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:41,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:41,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1789936871, now seen corresponding path program 1 times [2024-10-31 22:18:41,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:41,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756001636] [2024-10-31 22:18:41,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:41,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:41,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:41,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756001636] [2024-10-31 22:18:41,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756001636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:41,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:41,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:41,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182999] [2024-10-31 22:18:41,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:41,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:41,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:41,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:41,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:42,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-10-31 22:18:42,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 947 transitions, 1904 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:42,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:42,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-10-31 22:18:42,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:42,575 INFO L124 PetriNetUnfolderBase]: 26/1247 cut-off events. [2024-10-31 22:18:42,575 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-31 22:18:42,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 1247 events. 26/1247 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3288 event pairs, 2 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 1232. Up to 16 conditions per place. [2024-10-31 22:18:42,598 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/946 dead transitions. [2024-10-31 22:18:42,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 946 transitions, 1928 flow [2024-10-31 22:18:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-10-31 22:18:42,604 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-10-31 22:18:42,604 INFO L175 Difference]: Start difference. First operand has 937 places, 947 transitions, 1904 flow. Second operand 3 states and 3023 transitions. [2024-10-31 22:18:42,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 946 transitions, 1928 flow [2024-10-31 22:18:42,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 946 transitions, 1927 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:18:42,619 INFO L231 Difference]: Finished difference. Result has 937 places, 946 transitions, 1905 flow [2024-10-31 22:18:42,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1901, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=946, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=944, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1905, PETRI_PLACES=937, PETRI_TRANSITIONS=946} [2024-10-31 22:18:42,621 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -51 predicate places. [2024-10-31 22:18:42,621 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 946 transitions, 1905 flow [2024-10-31 22:18:42,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:42,624 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:42,625 INFO L204 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] [2024-10-31 22:18:42,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:18:42,625 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:42,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:42,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2041858837, now seen corresponding path program 1 times [2024-10-31 22:18:42,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:42,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287932108] [2024-10-31 22:18:42,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:42,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:42,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287932108] [2024-10-31 22:18:42,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287932108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:42,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:42,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:42,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488764653] [2024-10-31 22:18:42,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:42,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:42,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:42,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:42,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:42,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-10-31 22:18:42,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 946 transitions, 1905 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:42,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:42,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-10-31 22:18:42,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:43,358 INFO L124 PetriNetUnfolderBase]: 42/1848 cut-off events. [2024-10-31 22:18:43,359 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-10-31 22:18:43,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 1848 events. 42/1848 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8271 event pairs, 6 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 1848. Up to 25 conditions per place. [2024-10-31 22:18:43,402 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/945 dead transitions. [2024-10-31 22:18:43,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 945 transitions, 1931 flow [2024-10-31 22:18:43,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-10-31 22:18:43,409 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-10-31 22:18:43,409 INFO L175 Difference]: Start difference. First operand has 937 places, 946 transitions, 1905 flow. Second operand 3 states and 3021 transitions. [2024-10-31 22:18:43,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 945 transitions, 1931 flow [2024-10-31 22:18:43,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 945 transitions, 1927 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:43,425 INFO L231 Difference]: Finished difference. Result has 936 places, 945 transitions, 1903 flow [2024-10-31 22:18:43,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1899, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1903, PETRI_PLACES=936, PETRI_TRANSITIONS=945} [2024-10-31 22:18:43,429 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -52 predicate places. [2024-10-31 22:18:43,429 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 945 transitions, 1903 flow [2024-10-31 22:18:43,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:43,435 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:43,436 INFO L204 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] [2024-10-31 22:18:43,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:18:43,440 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:43,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:43,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1369086112, now seen corresponding path program 1 times [2024-10-31 22:18:43,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:43,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659636560] [2024-10-31 22:18:43,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:43,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:43,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:43,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659636560] [2024-10-31 22:18:43,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659636560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:43,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:43,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:43,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727800821] [2024-10-31 22:18:43,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:43,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:43,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:43,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:43,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:43,534 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-10-31 22:18:43,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 945 transitions, 1903 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:43,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:43,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-10-31 22:18:43,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:44,334 INFO L124 PetriNetUnfolderBase]: 42/1847 cut-off events. [2024-10-31 22:18:44,335 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-10-31 22:18:44,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1890 conditions, 1847 events. 42/1847 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 8260 event pairs, 6 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 1847. Up to 25 conditions per place. [2024-10-31 22:18:44,369 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/944 dead transitions. [2024-10-31 22:18:44,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 944 transitions, 1929 flow [2024-10-31 22:18:44,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-10-31 22:18:44,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-10-31 22:18:44,379 INFO L175 Difference]: Start difference. First operand has 936 places, 945 transitions, 1903 flow. Second operand 3 states and 3021 transitions. [2024-10-31 22:18:44,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 944 transitions, 1929 flow [2024-10-31 22:18:44,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 944 transitions, 1925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:44,458 INFO L231 Difference]: Finished difference. Result has 935 places, 944 transitions, 1901 flow [2024-10-31 22:18:44,460 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=942, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1901, PETRI_PLACES=935, PETRI_TRANSITIONS=944} [2024-10-31 22:18:44,461 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -53 predicate places. [2024-10-31 22:18:44,461 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 944 transitions, 1901 flow [2024-10-31 22:18:44,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:44,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:44,463 INFO L204 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] [2024-10-31 22:18:44,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:18:44,464 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:44,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,464 INFO L85 PathProgramCache]: Analyzing trace with hash 41052617, now seen corresponding path program 1 times [2024-10-31 22:18:44,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:44,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684849266] [2024-10-31 22:18:44,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:44,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:44,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:44,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684849266] [2024-10-31 22:18:44,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684849266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:44,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:44,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:44,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853560013] [2024-10-31 22:18:44,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:44,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:44,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:44,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:44,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:44,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-10-31 22:18:44,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 944 transitions, 1901 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:44,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:44,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-10-31 22:18:44,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:44,830 INFO L124 PetriNetUnfolderBase]: 23/1094 cut-off events. [2024-10-31 22:18:44,830 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-10-31 22:18:44,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1094 events. 23/1094 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2533 event pairs, 2 based on Foata normal form. 0/969 useless extension candidates. Maximal degree in co-relation 1080. Up to 16 conditions per place. [2024-10-31 22:18:44,858 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/943 dead transitions. [2024-10-31 22:18:44,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 943 transitions, 1925 flow [2024-10-31 22:18:44,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-10-31 22:18:44,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-10-31 22:18:44,865 INFO L175 Difference]: Start difference. First operand has 935 places, 944 transitions, 1901 flow. Second operand 3 states and 3023 transitions. [2024-10-31 22:18:44,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 943 transitions, 1925 flow [2024-10-31 22:18:44,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 943 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:44,882 INFO L231 Difference]: Finished difference. Result has 934 places, 943 transitions, 1899 flow [2024-10-31 22:18:44,884 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1895, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=943, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1899, PETRI_PLACES=934, PETRI_TRANSITIONS=943} [2024-10-31 22:18:44,884 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -54 predicate places. [2024-10-31 22:18:44,885 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 943 transitions, 1899 flow [2024-10-31 22:18:44,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:44,887 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:44,887 INFO L204 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] [2024-10-31 22:18:44,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:18:44,887 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:44,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,888 INFO L85 PathProgramCache]: Analyzing trace with hash -327954564, now seen corresponding path program 1 times [2024-10-31 22:18:44,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:44,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062282031] [2024-10-31 22:18:44,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:44,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:44,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:44,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062282031] [2024-10-31 22:18:44,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062282031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:44,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:44,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:44,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325443751] [2024-10-31 22:18:44,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:44,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:44,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:44,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:44,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:44,990 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-10-31 22:18:44,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 943 transitions, 1899 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:44,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:44,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-10-31 22:18:44,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:45,500 INFO L124 PetriNetUnfolderBase]: 33/1395 cut-off events. [2024-10-31 22:18:45,500 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-10-31 22:18:45,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1435 conditions, 1395 events. 33/1395 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4826 event pairs, 6 based on Foata normal form. 0/1219 useless extension candidates. Maximal degree in co-relation 1392. Up to 25 conditions per place. [2024-10-31 22:18:45,518 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/942 dead transitions. [2024-10-31 22:18:45,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 942 transitions, 1925 flow [2024-10-31 22:18:45,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-10-31 22:18:45,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-10-31 22:18:45,525 INFO L175 Difference]: Start difference. First operand has 934 places, 943 transitions, 1899 flow. Second operand 3 states and 3021 transitions. [2024-10-31 22:18:45,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 942 transitions, 1925 flow [2024-10-31 22:18:45,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 942 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:45,544 INFO L231 Difference]: Finished difference. Result has 933 places, 942 transitions, 1897 flow [2024-10-31 22:18:45,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1893, PETRI_DIFFERENCE_MINUEND_PLACES=931, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1897, PETRI_PLACES=933, PETRI_TRANSITIONS=942} [2024-10-31 22:18:45,545 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -55 predicate places. [2024-10-31 22:18:45,546 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 942 transitions, 1897 flow [2024-10-31 22:18:45,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:45,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:45,548 INFO L204 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] [2024-10-31 22:18:45,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:18:45,548 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:45,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:45,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1927998895, now seen corresponding path program 1 times [2024-10-31 22:18:45,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:45,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328792899] [2024-10-31 22:18:45,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:45,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:45,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:45,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328792899] [2024-10-31 22:18:45,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328792899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:45,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:45,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:45,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188292065] [2024-10-31 22:18:45,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:45,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:45,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:45,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:45,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:45,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-10-31 22:18:45,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 942 transitions, 1897 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:45,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:45,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-10-31 22:18:45,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:46,373 INFO L124 PetriNetUnfolderBase]: 33/1394 cut-off events. [2024-10-31 22:18:46,373 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-10-31 22:18:46,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1434 conditions, 1394 events. 33/1394 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4815 event pairs, 6 based on Foata normal form. 0/1219 useless extension candidates. Maximal degree in co-relation 1391. Up to 25 conditions per place. [2024-10-31 22:18:46,418 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/941 dead transitions. [2024-10-31 22:18:46,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 941 transitions, 1923 flow [2024-10-31 22:18:46,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-10-31 22:18:46,427 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-10-31 22:18:46,427 INFO L175 Difference]: Start difference. First operand has 933 places, 942 transitions, 1897 flow. Second operand 3 states and 3021 transitions. [2024-10-31 22:18:46,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 934 places, 941 transitions, 1923 flow [2024-10-31 22:18:46,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 932 places, 941 transitions, 1919 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:46,450 INFO L231 Difference]: Finished difference. Result has 932 places, 941 transitions, 1895 flow [2024-10-31 22:18:46,452 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1891, PETRI_DIFFERENCE_MINUEND_PLACES=930, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=939, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1895, PETRI_PLACES=932, PETRI_TRANSITIONS=941} [2024-10-31 22:18:46,454 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -56 predicate places. [2024-10-31 22:18:46,454 INFO L471 AbstractCegarLoop]: Abstraction has has 932 places, 941 transitions, 1895 flow [2024-10-31 22:18:46,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:46,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:46,461 INFO L204 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] [2024-10-31 22:18:46,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:18:46,461 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:46,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:46,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1055677271, now seen corresponding path program 1 times [2024-10-31 22:18:46,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:46,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038130430] [2024-10-31 22:18:46,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:46,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:46,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:46,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038130430] [2024-10-31 22:18:46,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038130430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:46,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:46,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:46,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125374563] [2024-10-31 22:18:46,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:46,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:46,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:46,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:46,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:46,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-10-31 22:18:46,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 932 places, 941 transitions, 1895 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:46,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:46,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-10-31 22:18:46,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:46,985 INFO L124 PetriNetUnfolderBase]: 20/970 cut-off events. [2024-10-31 22:18:46,985 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-31 22:18:46,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 998 conditions, 970 events. 20/970 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2064 event pairs, 2 based on Foata normal form. 0/870 useless extension candidates. Maximal degree in co-relation 955. Up to 16 conditions per place. [2024-10-31 22:18:47,006 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/940 dead transitions. [2024-10-31 22:18:47,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 933 places, 940 transitions, 1919 flow [2024-10-31 22:18:47,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-10-31 22:18:47,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-10-31 22:18:47,015 INFO L175 Difference]: Start difference. First operand has 932 places, 941 transitions, 1895 flow. Second operand 3 states and 3023 transitions. [2024-10-31 22:18:47,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 933 places, 940 transitions, 1919 flow [2024-10-31 22:18:47,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 931 places, 940 transitions, 1915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:47,038 INFO L231 Difference]: Finished difference. Result has 931 places, 940 transitions, 1893 flow [2024-10-31 22:18:47,040 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1889, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=938, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1893, PETRI_PLACES=931, PETRI_TRANSITIONS=940} [2024-10-31 22:18:47,041 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -57 predicate places. [2024-10-31 22:18:47,041 INFO L471 AbstractCegarLoop]: Abstraction has has 931 places, 940 transitions, 1893 flow [2024-10-31 22:18:47,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:47,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:47,043 INFO L204 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] [2024-10-31 22:18:47,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:18:47,044 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:47,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:47,044 INFO L85 PathProgramCache]: Analyzing trace with hash 79333507, now seen corresponding path program 1 times [2024-10-31 22:18:47,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:47,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717777069] [2024-10-31 22:18:47,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:47,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:47,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:47,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717777069] [2024-10-31 22:18:47,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717777069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:47,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:47,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:47,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601988771] [2024-10-31 22:18:47,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:47,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:47,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:47,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:47,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:47,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-10-31 22:18:47,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 931 places, 940 transitions, 1893 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:47,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:47,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-10-31 22:18:47,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:47,611 INFO L124 PetriNetUnfolderBase]: 30/1205 cut-off events. [2024-10-31 22:18:47,611 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-10-31 22:18:47,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 1205 events. 30/1205 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3074 event pairs, 6 based on Foata normal form. 0/1062 useless extension candidates. Maximal degree in co-relation 1199. Up to 25 conditions per place. [2024-10-31 22:18:47,626 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/939 dead transitions. [2024-10-31 22:18:47,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 932 places, 939 transitions, 1919 flow [2024-10-31 22:18:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-10-31 22:18:47,632 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-10-31 22:18:47,633 INFO L175 Difference]: Start difference. First operand has 931 places, 940 transitions, 1893 flow. Second operand 3 states and 3021 transitions. [2024-10-31 22:18:47,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 932 places, 939 transitions, 1919 flow [2024-10-31 22:18:47,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 930 places, 939 transitions, 1915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:47,650 INFO L231 Difference]: Finished difference. Result has 930 places, 939 transitions, 1891 flow [2024-10-31 22:18:47,652 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1887, PETRI_DIFFERENCE_MINUEND_PLACES=928, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=939, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=937, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1891, PETRI_PLACES=930, PETRI_TRANSITIONS=939} [2024-10-31 22:18:47,653 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -58 predicate places. [2024-10-31 22:18:47,653 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 939 transitions, 1891 flow [2024-10-31 22:18:47,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:47,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:47,655 INFO L204 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] [2024-10-31 22:18:47,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:18:47,655 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:47,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:47,655 INFO L85 PathProgramCache]: Analyzing trace with hash -426821869, now seen corresponding path program 1 times [2024-10-31 22:18:47,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:47,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639856655] [2024-10-31 22:18:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:47,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:47,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639856655] [2024-10-31 22:18:47,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639856655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:47,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:47,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:47,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022790943] [2024-10-31 22:18:47,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:47,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:47,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:47,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:47,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:47,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-10-31 22:18:47,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 939 transitions, 1891 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:47,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:47,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-10-31 22:18:47,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:48,104 INFO L124 PetriNetUnfolderBase]: 30/1166 cut-off events. [2024-10-31 22:18:48,105 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-10-31 22:18:48,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 1166 events. 30/1166 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2943 event pairs, 6 based on Foata normal form. 0/1030 useless extension candidates. Maximal degree in co-relation 1160. Up to 25 conditions per place. [2024-10-31 22:18:48,128 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/938 dead transitions. [2024-10-31 22:18:48,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 938 transitions, 1917 flow [2024-10-31 22:18:48,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-10-31 22:18:48,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-10-31 22:18:48,134 INFO L175 Difference]: Start difference. First operand has 930 places, 939 transitions, 1891 flow. Second operand 3 states and 3021 transitions. [2024-10-31 22:18:48,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 938 transitions, 1917 flow [2024-10-31 22:18:48,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 938 transitions, 1913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:48,150 INFO L231 Difference]: Finished difference. Result has 929 places, 938 transitions, 1889 flow [2024-10-31 22:18:48,152 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1885, PETRI_DIFFERENCE_MINUEND_PLACES=927, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=936, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1889, PETRI_PLACES=929, PETRI_TRANSITIONS=938} [2024-10-31 22:18:48,152 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -59 predicate places. [2024-10-31 22:18:48,152 INFO L471 AbstractCegarLoop]: Abstraction has has 929 places, 938 transitions, 1889 flow [2024-10-31 22:18:48,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:48,154 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:48,154 INFO L204 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] [2024-10-31 22:18:48,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:18:48,155 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:48,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:48,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1654271590, now seen corresponding path program 1 times [2024-10-31 22:18:48,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:48,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197391926] [2024-10-31 22:18:48,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:48,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:48,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:48,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197391926] [2024-10-31 22:18:48,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197391926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:48,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:48,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:48,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194708794] [2024-10-31 22:18:48,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:48,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:48,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:48,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:48,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:48,264 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1048 [2024-10-31 22:18:48,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 938 transitions, 1889 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:48,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:48,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1048 [2024-10-31 22:18:48,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:49,089 INFO L124 PetriNetUnfolderBase]: 42/1529 cut-off events. [2024-10-31 22:18:49,089 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:18:49,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 1529 events. 42/1529 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6395 event pairs, 12 based on Foata normal form. 0/1336 useless extension candidates. Maximal degree in co-relation 1540. Up to 38 conditions per place. [2024-10-31 22:18:49,134 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 13 selfloop transitions, 2 changer transitions 0/937 dead transitions. [2024-10-31 22:18:49,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 937 transitions, 1917 flow [2024-10-31 22:18:49,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-10-31 22:18:49,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602417302798982 [2024-10-31 22:18:49,140 INFO L175 Difference]: Start difference. First operand has 929 places, 938 transitions, 1889 flow. Second operand 3 states and 3019 transitions. [2024-10-31 22:18:49,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 937 transitions, 1917 flow [2024-10-31 22:18:49,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 937 transitions, 1913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:49,158 INFO L231 Difference]: Finished difference. Result has 928 places, 937 transitions, 1887 flow [2024-10-31 22:18:49,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1883, PETRI_DIFFERENCE_MINUEND_PLACES=926, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1887, PETRI_PLACES=928, PETRI_TRANSITIONS=937} [2024-10-31 22:18:49,160 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -60 predicate places. [2024-10-31 22:18:49,160 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 937 transitions, 1887 flow [2024-10-31 22:18:49,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:49,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:49,163 INFO L204 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] [2024-10-31 22:18:49,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:18:49,163 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-10-31 22:18:49,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:49,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2077651223, now seen corresponding path program 1 times [2024-10-31 22:18:49,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:49,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841396244] [2024-10-31 22:18:49,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:49,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:50,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:50,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841396244] [2024-10-31 22:18:50,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841396244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:50,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:50,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:50,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891736186] [2024-10-31 22:18:50,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:50,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:50,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:50,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:50,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:51,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 913 out of 1048 [2024-10-31 22:18:51,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 937 transitions, 1887 flow. Second operand has 6 states, 6 states have (on average 914.5) internal successors, (5487), 6 states have internal predecessors, (5487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:51,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:51,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 913 of 1048 [2024-10-31 22:18:51,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand