./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:26:52,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:26:52,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 03:26:52,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:26:52,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:26:52,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:26:52,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:26:52,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:26:52,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:26:52,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:26:52,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:26:52,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:26:52,631 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:26:52,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:26:52,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:26:52,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:26:52,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:26:52,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:26:52,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:26:52,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:26:52,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:26:52,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:26:52,637 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 03:26:52,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:26:52,637 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:26:52,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:26:52,638 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:26:52,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:26:52,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:26:52,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:26:52,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:26:52,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:26:52,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:26:52,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:26:52,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:26:52,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:26:52,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:26:52,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:26:52,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:26:52,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:26:52,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:26:52,643 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_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2023-11-29 03:26:52,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:26:52,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:26:52,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:26:52,892 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:26:52,893 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:26:52,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-11-29 03:26:55,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:26:55,816 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:26:55,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-11-29 03:26:55,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/data/66f46cf27/161301514fed4ec08fbe1e1754415888/FLAG5e9aa011f [2023-11-29 03:26:55,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/data/66f46cf27/161301514fed4ec08fbe1e1754415888 [2023-11-29 03:26:55,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:26:55,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:26:55,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:26:55,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:26:55,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:26:55,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:26:55" (1/1) ... [2023-11-29 03:26:55,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352bff5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:55, skipping insertion in model container [2023-11-29 03:26:55,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:26:55" (1/1) ... [2023-11-29 03:26:55,876 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:26:56,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:26:56,084 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:26:56,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:26:56,133 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:56,133 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:56,141 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:26:56,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56 WrapperNode [2023-11-29 03:26:56,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:26:56,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:26:56,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:26:56,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:26:56,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,198 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 301 [2023-11-29 03:26:56,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:26:56,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:26:56,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:26:56,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:26:56,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:26:56,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:26:56,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:26:56,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:26:56,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (1/1) ... [2023-11-29 03:26:56,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:26:56,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:56,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:26:56,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:26:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:26:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:26:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:26:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 03:26:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 03:26:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 03:26:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 03:26:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 03:26:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 03:26:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 03:26:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:26:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 03:26:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 03:26:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:26:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:26:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:26:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:26:56,336 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 03:26:56,464 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:26:56,466 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:26:57,018 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:26:57,321 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:26:57,322 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 03:26:57,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:26:57 BoogieIcfgContainer [2023-11-29 03:26:57,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:26:57,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:26:57,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:26:57,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:26:57,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:26:55" (1/3) ... [2023-11-29 03:26:57,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d92baf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:26:57, skipping insertion in model container [2023-11-29 03:26:57,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:56" (2/3) ... [2023-11-29 03:26:57,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d92baf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:26:57, skipping insertion in model container [2023-11-29 03:26:57,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:26:57" (3/3) ... [2023-11-29 03:26:57,334 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2023-11-29 03:26:57,343 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 03:26:57,352 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:26:57,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2023-11-29 03:26:57,353 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:26:57,441 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 03:26:57,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 246 places, 247 transitions, 515 flow [2023-11-29 03:26:57,555 INFO L124 PetriNetUnfolderBase]: 11/244 cut-off events. [2023-11-29 03:26:57,555 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 03:26:57,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 244 events. 11/244 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 351 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2023-11-29 03:26:57,563 INFO L82 GeneralOperation]: Start removeDead. Operand has 246 places, 247 transitions, 515 flow [2023-11-29 03:26:57,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 227 places, 228 transitions, 471 flow [2023-11-29 03:26:57,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:26:57,586 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7605f49a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:26:57,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2023-11-29 03:26:57,592 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:26:57,592 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2023-11-29 03:26:57,592 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:26:57,593 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:26:57,593 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:57,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:26:57,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:57,599 INFO L85 PathProgramCache]: Analyzing trace with hash 184455031, now seen corresponding path program 1 times [2023-11-29 03:26:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:57,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682654175] [2023-11-29 03:26:57,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:57,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:57,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:57,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682654175] [2023-11-29 03:26:57,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682654175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:57,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:57,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:26:57,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806640352] [2023-11-29 03:26:57,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:57,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:57,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:57,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:57,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:57,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 247 [2023-11-29 03:26:57,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 228 transitions, 471 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:57,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:26:57,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 247 [2023-11-29 03:26:57,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:26:58,036 INFO L124 PetriNetUnfolderBase]: 98/571 cut-off events. [2023-11-29 03:26:58,036 INFO L125 PetriNetUnfolderBase]: For 48/68 co-relation queries the response was YES. [2023-11-29 03:26:58,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 571 events. 98/571 cut-off events. For 48/68 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2649 event pairs, 53 based on Foata normal form. 36/506 useless extension candidates. Maximal degree in co-relation 589. Up to 142 conditions per place. [2023-11-29 03:26:58,045 INFO L140 encePairwiseOnDemand]: 209/247 looper letters, 18 selfloop transitions, 2 changer transitions 2/192 dead transitions. [2023-11-29 03:26:58,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 192 transitions, 439 flow [2023-11-29 03:26:58,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:26:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 620 transitions. [2023-11-29 03:26:58,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8367071524966262 [2023-11-29 03:26:58,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 620 transitions. [2023-11-29 03:26:58,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 620 transitions. [2023-11-29 03:26:58,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:26:58,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 620 transitions. [2023-11-29 03:26:58,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,079 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,081 INFO L175 Difference]: Start difference. First operand has 227 places, 228 transitions, 471 flow. Second operand 3 states and 620 transitions. [2023-11-29 03:26:58,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 192 transitions, 439 flow [2023-11-29 03:26:58,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 192 transitions, 430 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:26:58,089 INFO L231 Difference]: Finished difference. Result has 194 places, 190 transitions, 390 flow [2023-11-29 03:26:58,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=194, PETRI_TRANSITIONS=190} [2023-11-29 03:26:58,094 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -33 predicate places. [2023-11-29 03:26:58,094 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 190 transitions, 390 flow [2023-11-29 03:26:58,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:26:58,095 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:58,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:26:58,096 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:26:58,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:58,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1576919378, now seen corresponding path program 1 times [2023-11-29 03:26:58,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:58,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869283284] [2023-11-29 03:26:58,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:58,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:58,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:58,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869283284] [2023-11-29 03:26:58,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869283284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:58,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:58,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:26:58,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017256203] [2023-11-29 03:26:58,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:58,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:58,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:58,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:58,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:58,183 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 247 [2023-11-29 03:26:58,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 190 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:26:58,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 247 [2023-11-29 03:26:58,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:26:58,299 INFO L124 PetriNetUnfolderBase]: 80/544 cut-off events. [2023-11-29 03:26:58,300 INFO L125 PetriNetUnfolderBase]: For 8/28 co-relation queries the response was YES. [2023-11-29 03:26:58,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 544 events. 80/544 cut-off events. For 8/28 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2457 event pairs, 38 based on Foata normal form. 0/449 useless extension candidates. Maximal degree in co-relation 654. Up to 113 conditions per place. [2023-11-29 03:26:58,305 INFO L140 encePairwiseOnDemand]: 244/247 looper letters, 17 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2023-11-29 03:26:58,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 189 transitions, 426 flow [2023-11-29 03:26:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:26:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2023-11-29 03:26:58,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7921727395411606 [2023-11-29 03:26:58,308 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2023-11-29 03:26:58,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2023-11-29 03:26:58,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:26:58,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2023-11-29 03:26:58,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,314 INFO L175 Difference]: Start difference. First operand has 194 places, 190 transitions, 390 flow. Second operand 3 states and 587 transitions. [2023-11-29 03:26:58,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 189 transitions, 426 flow [2023-11-29 03:26:58,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 189 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:26:58,320 INFO L231 Difference]: Finished difference. Result has 191 places, 189 transitions, 388 flow [2023-11-29 03:26:58,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=191, PETRI_TRANSITIONS=189} [2023-11-29 03:26:58,322 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -36 predicate places. [2023-11-29 03:26:58,322 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 189 transitions, 388 flow [2023-11-29 03:26:58,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:26:58,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:58,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:26:58,324 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:26:58,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:58,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2144455683, now seen corresponding path program 1 times [2023-11-29 03:26:58,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:58,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284444000] [2023-11-29 03:26:58,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:58,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:58,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:58,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284444000] [2023-11-29 03:26:58,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284444000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:58,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:58,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:26:58,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420436233] [2023-11-29 03:26:58,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:58,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:58,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:58,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:58,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:58,392 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2023-11-29 03:26:58,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 189 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:26:58,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2023-11-29 03:26:58,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:26:58,561 INFO L124 PetriNetUnfolderBase]: 116/807 cut-off events. [2023-11-29 03:26:58,561 INFO L125 PetriNetUnfolderBase]: For 17/45 co-relation queries the response was YES. [2023-11-29 03:26:58,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1001 conditions, 807 events. 116/807 cut-off events. For 17/45 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4602 event pairs, 50 based on Foata normal form. 0/659 useless extension candidates. Maximal degree in co-relation 962. Up to 90 conditions per place. [2023-11-29 03:26:58,568 INFO L140 encePairwiseOnDemand]: 244/247 looper letters, 24 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2023-11-29 03:26:58,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 198 transitions, 463 flow [2023-11-29 03:26:58,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:26:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2023-11-29 03:26:58,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8178137651821862 [2023-11-29 03:26:58,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2023-11-29 03:26:58,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2023-11-29 03:26:58,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:26:58,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2023-11-29 03:26:58,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,576 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,576 INFO L175 Difference]: Start difference. First operand has 191 places, 189 transitions, 388 flow. Second operand 3 states and 606 transitions. [2023-11-29 03:26:58,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 198 transitions, 463 flow [2023-11-29 03:26:58,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 198 transitions, 459 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:26:58,580 INFO L231 Difference]: Finished difference. Result has 191 places, 189 transitions, 392 flow [2023-11-29 03:26:58,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=191, PETRI_TRANSITIONS=189} [2023-11-29 03:26:58,581 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -36 predicate places. [2023-11-29 03:26:58,581 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 189 transitions, 392 flow [2023-11-29 03:26:58,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:26:58,582 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:58,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:26:58,583 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:26:58,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:58,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1757963614, now seen corresponding path program 1 times [2023-11-29 03:26:58,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:58,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98271867] [2023-11-29 03:26:58,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:58,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:58,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:58,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98271867] [2023-11-29 03:26:58,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98271867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:58,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:58,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:26:58,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774053303] [2023-11-29 03:26:58,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:58,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:58,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:58,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:58,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:58,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 247 [2023-11-29 03:26:58,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 189 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:26:58,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 247 [2023-11-29 03:26:58,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:26:58,806 INFO L124 PetriNetUnfolderBase]: 167/833 cut-off events. [2023-11-29 03:26:58,807 INFO L125 PetriNetUnfolderBase]: For 57/109 co-relation queries the response was YES. [2023-11-29 03:26:58,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1177 conditions, 833 events. 167/833 cut-off events. For 57/109 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4932 event pairs, 105 based on Foata normal form. 0/689 useless extension candidates. Maximal degree in co-relation 773. Up to 245 conditions per place. [2023-11-29 03:26:58,813 INFO L140 encePairwiseOnDemand]: 244/247 looper letters, 19 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2023-11-29 03:26:58,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 432 flow [2023-11-29 03:26:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:26:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2023-11-29 03:26:58,816 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7894736842105263 [2023-11-29 03:26:58,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 585 transitions. [2023-11-29 03:26:58,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 585 transitions. [2023-11-29 03:26:58,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:26:58,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 585 transitions. [2023-11-29 03:26:58,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,822 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,822 INFO L175 Difference]: Start difference. First operand has 191 places, 189 transitions, 392 flow. Second operand 3 states and 585 transitions. [2023-11-29 03:26:58,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 432 flow [2023-11-29 03:26:58,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 430 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:26:58,826 INFO L231 Difference]: Finished difference. Result has 191 places, 188 transitions, 392 flow [2023-11-29 03:26:58,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=191, PETRI_TRANSITIONS=188} [2023-11-29 03:26:58,828 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -36 predicate places. [2023-11-29 03:26:58,828 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 188 transitions, 392 flow [2023-11-29 03:26:58,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:26:58,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:58,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:26:58,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:26:58,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:58,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1550939808, now seen corresponding path program 1 times [2023-11-29 03:26:58,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:58,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172999563] [2023-11-29 03:26:58,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:58,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:58,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:58,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172999563] [2023-11-29 03:26:58,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172999563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:58,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:58,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:26:58,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980736827] [2023-11-29 03:26:58,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:58,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:58,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:58,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:58,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:58,904 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 247 [2023-11-29 03:26:58,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 188 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:58,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:26:58,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 247 [2023-11-29 03:26:58,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:26:59,025 INFO L124 PetriNetUnfolderBase]: 115/758 cut-off events. [2023-11-29 03:26:59,025 INFO L125 PetriNetUnfolderBase]: For 36/76 co-relation queries the response was YES. [2023-11-29 03:26:59,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 976 conditions, 758 events. 115/758 cut-off events. For 36/76 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4229 event pairs, 59 based on Foata normal form. 0/622 useless extension candidates. Maximal degree in co-relation 928. Up to 161 conditions per place. [2023-11-29 03:26:59,033 INFO L140 encePairwiseOnDemand]: 244/247 looper letters, 17 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2023-11-29 03:26:59,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 187 transitions, 428 flow [2023-11-29 03:26:59,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:26:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 589 transitions. [2023-11-29 03:26:59,035 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7948717948717948 [2023-11-29 03:26:59,035 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 589 transitions. [2023-11-29 03:26:59,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 589 transitions. [2023-11-29 03:26:59,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:26:59,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 589 transitions. [2023-11-29 03:26:59,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,040 INFO L175 Difference]: Start difference. First operand has 191 places, 188 transitions, 392 flow. Second operand 3 states and 589 transitions. [2023-11-29 03:26:59,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 187 transitions, 428 flow [2023-11-29 03:26:59,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:26:59,043 INFO L231 Difference]: Finished difference. Result has 190 places, 187 transitions, 390 flow [2023-11-29 03:26:59,044 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=190, PETRI_TRANSITIONS=187} [2023-11-29 03:26:59,045 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -37 predicate places. [2023-11-29 03:26:59,045 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 187 transitions, 390 flow [2023-11-29 03:26:59,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,046 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:26:59,046 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:59,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:26:59,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:26:59,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:59,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1209519260, now seen corresponding path program 1 times [2023-11-29 03:26:59,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:59,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770596972] [2023-11-29 03:26:59,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:59,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:59,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:59,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770596972] [2023-11-29 03:26:59,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770596972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:59,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:59,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:26:59,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050228179] [2023-11-29 03:26:59,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:59,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:59,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:59,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:59,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:59,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 247 [2023-11-29 03:26:59,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 187 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:26:59,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 247 [2023-11-29 03:26:59,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:26:59,240 INFO L124 PetriNetUnfolderBase]: 173/849 cut-off events. [2023-11-29 03:26:59,240 INFO L125 PetriNetUnfolderBase]: For 56/96 co-relation queries the response was YES. [2023-11-29 03:26:59,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 849 events. 173/849 cut-off events. For 56/96 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 5076 event pairs, 105 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 1130. Up to 249 conditions per place. [2023-11-29 03:26:59,260 INFO L140 encePairwiseOnDemand]: 244/247 looper letters, 18 selfloop transitions, 1 changer transitions 0/185 dead transitions. [2023-11-29 03:26:59,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 185 transitions, 424 flow [2023-11-29 03:26:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:26:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2023-11-29 03:26:59,263 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.796221322537112 [2023-11-29 03:26:59,263 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 590 transitions. [2023-11-29 03:26:59,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 590 transitions. [2023-11-29 03:26:59,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:26:59,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 590 transitions. [2023-11-29 03:26:59,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,270 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,270 INFO L175 Difference]: Start difference. First operand has 190 places, 187 transitions, 390 flow. Second operand 3 states and 590 transitions. [2023-11-29 03:26:59,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 185 transitions, 424 flow [2023-11-29 03:26:59,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 185 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:26:59,275 INFO L231 Difference]: Finished difference. Result has 188 places, 185 transitions, 384 flow [2023-11-29 03:26:59,275 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=188, PETRI_TRANSITIONS=185} [2023-11-29 03:26:59,276 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -39 predicate places. [2023-11-29 03:26:59,276 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 185 transitions, 384 flow [2023-11-29 03:26:59,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:26:59,277 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:59,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:26:59,278 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:26:59,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:59,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1787792213, now seen corresponding path program 1 times [2023-11-29 03:26:59,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:59,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976839900] [2023-11-29 03:26:59,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:59,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:59,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:59,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976839900] [2023-11-29 03:26:59,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976839900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:59,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:59,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:26:59,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673358271] [2023-11-29 03:26:59,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:59,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:59,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:59,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:59,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:59,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 247 [2023-11-29 03:26:59,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 185 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:26:59,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 247 [2023-11-29 03:26:59,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:26:59,490 INFO L124 PetriNetUnfolderBase]: 115/743 cut-off events. [2023-11-29 03:26:59,490 INFO L125 PetriNetUnfolderBase]: For 36/76 co-relation queries the response was YES. [2023-11-29 03:26:59,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 743 events. 115/743 cut-off events. For 36/76 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4110 event pairs, 59 based on Foata normal form. 0/622 useless extension candidates. Maximal degree in co-relation 907. Up to 161 conditions per place. [2023-11-29 03:26:59,495 INFO L140 encePairwiseOnDemand]: 244/247 looper letters, 17 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2023-11-29 03:26:59,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 184 transitions, 420 flow [2023-11-29 03:26:59,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:26:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 589 transitions. [2023-11-29 03:26:59,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7948717948717948 [2023-11-29 03:26:59,499 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 589 transitions. [2023-11-29 03:26:59,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 589 transitions. [2023-11-29 03:26:59,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:26:59,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 589 transitions. [2023-11-29 03:26:59,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,502 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,502 INFO L175 Difference]: Start difference. First operand has 188 places, 185 transitions, 384 flow. Second operand 3 states and 589 transitions. [2023-11-29 03:26:59,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 184 transitions, 420 flow [2023-11-29 03:26:59,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 184 transitions, 419 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:26:59,508 INFO L231 Difference]: Finished difference. Result has 188 places, 184 transitions, 385 flow [2023-11-29 03:26:59,508 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=188, PETRI_TRANSITIONS=184} [2023-11-29 03:26:59,509 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -39 predicate places. [2023-11-29 03:26:59,510 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 184 transitions, 385 flow [2023-11-29 03:26:59,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:26:59,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:26:59,510 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:59,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:26:59,511 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:26:59,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:59,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1017459465, now seen corresponding path program 1 times [2023-11-29 03:26:59,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:59,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794577147] [2023-11-29 03:26:59,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:59,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:00,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:00,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794577147] [2023-11-29 03:27:00,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794577147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:00,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:00,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:27:00,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576055356] [2023-11-29 03:27:00,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:00,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:27:00,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:00,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:27:00,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:27:00,208 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 247 [2023-11-29 03:27:00,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 184 transitions, 385 flow. Second operand has 6 states, 6 states have (on average 172.5) internal successors, (1035), 6 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:00,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 247 [2023-11-29 03:27:00,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:00,499 INFO L124 PetriNetUnfolderBase]: 483/1344 cut-off events. [2023-11-29 03:27:00,499 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2023-11-29 03:27:00,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2147 conditions, 1344 events. 483/1344 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 8218 event pairs, 307 based on Foata normal form. 0/1109 useless extension candidates. Maximal degree in co-relation 2095. Up to 694 conditions per place. [2023-11-29 03:27:00,512 INFO L140 encePairwiseOnDemand]: 241/247 looper letters, 34 selfloop transitions, 5 changer transitions 0/183 dead transitions. [2023-11-29 03:27:00,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 183 transitions, 461 flow [2023-11-29 03:27:00,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:27:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:27:00,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1065 transitions. [2023-11-29 03:27:00,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7186234817813765 [2023-11-29 03:27:00,516 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1065 transitions. [2023-11-29 03:27:00,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1065 transitions. [2023-11-29 03:27:00,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:00,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1065 transitions. [2023-11-29 03:27:00,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.5) internal successors, (1065), 6 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,524 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,524 INFO L175 Difference]: Start difference. First operand has 188 places, 184 transitions, 385 flow. Second operand 6 states and 1065 transitions. [2023-11-29 03:27:00,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 183 transitions, 461 flow [2023-11-29 03:27:00,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 183 transitions, 457 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:27:00,528 INFO L231 Difference]: Finished difference. Result has 190 places, 183 transitions, 389 flow [2023-11-29 03:27:00,529 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=389, PETRI_PLACES=190, PETRI_TRANSITIONS=183} [2023-11-29 03:27:00,530 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -37 predicate places. [2023-11-29 03:27:00,530 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 183 transitions, 389 flow [2023-11-29 03:27:00,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.5) internal successors, (1035), 6 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:00,531 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:00,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:27:00,531 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:27:00,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:00,532 INFO L85 PathProgramCache]: Analyzing trace with hash 2110390674, now seen corresponding path program 1 times [2023-11-29 03:27:00,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:00,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414484153] [2023-11-29 03:27:00,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:00,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:00,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:00,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414484153] [2023-11-29 03:27:00,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414484153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:00,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:00,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:27:00,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456971539] [2023-11-29 03:27:00,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:00,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:00,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:00,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:00,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:27:00,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 247 [2023-11-29 03:27:00,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 183 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:00,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 247 [2023-11-29 03:27:00,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:00,763 INFO L124 PetriNetUnfolderBase]: 249/1021 cut-off events. [2023-11-29 03:27:00,763 INFO L125 PetriNetUnfolderBase]: For 88/155 co-relation queries the response was YES. [2023-11-29 03:27:00,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1522 conditions, 1021 events. 249/1021 cut-off events. For 88/155 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 6061 event pairs, 58 based on Foata normal form. 2/911 useless extension candidates. Maximal degree in co-relation 1503. Up to 254 conditions per place. [2023-11-29 03:27:00,770 INFO L140 encePairwiseOnDemand]: 241/247 looper letters, 26 selfloop transitions, 5 changer transitions 0/193 dead transitions. [2023-11-29 03:27:00,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 193 transitions, 480 flow [2023-11-29 03:27:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:00,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2023-11-29 03:27:00,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8110661268556005 [2023-11-29 03:27:00,773 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 601 transitions. [2023-11-29 03:27:00,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 601 transitions. [2023-11-29 03:27:00,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:00,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 601 transitions. [2023-11-29 03:27:00,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,777 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,777 INFO L175 Difference]: Start difference. First operand has 190 places, 183 transitions, 389 flow. Second operand 3 states and 601 transitions. [2023-11-29 03:27:00,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 193 transitions, 480 flow [2023-11-29 03:27:00,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 193 transitions, 470 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:27:00,780 INFO L231 Difference]: Finished difference. Result has 186 places, 184 transitions, 406 flow [2023-11-29 03:27:00,780 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=186, PETRI_TRANSITIONS=184} [2023-11-29 03:27:00,781 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -41 predicate places. [2023-11-29 03:27:00,781 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 184 transitions, 406 flow [2023-11-29 03:27:00,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:00,782 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:00,782 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:00,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:27:00,782 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:27:00,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:00,783 INFO L85 PathProgramCache]: Analyzing trace with hash -848863896, now seen corresponding path program 1 times [2023-11-29 03:27:00,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:00,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694747549] [2023-11-29 03:27:00,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:00,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:01,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:01,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694747549] [2023-11-29 03:27:01,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694747549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:01,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:01,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:27:01,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274206050] [2023-11-29 03:27:01,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:01,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:27:01,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:01,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:27:01,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:27:01,332 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 247 [2023-11-29 03:27:01,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 184 transitions, 406 flow. Second operand has 6 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:01,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:01,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 247 [2023-11-29 03:27:01,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:01,712 INFO L124 PetriNetUnfolderBase]: 653/1544 cut-off events. [2023-11-29 03:27:01,712 INFO L125 PetriNetUnfolderBase]: For 882/951 co-relation queries the response was YES. [2023-11-29 03:27:01,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3017 conditions, 1544 events. 653/1544 cut-off events. For 882/951 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 8287 event pairs, 51 based on Foata normal form. 0/1366 useless extension candidates. Maximal degree in co-relation 2963. Up to 334 conditions per place. [2023-11-29 03:27:01,725 INFO L140 encePairwiseOnDemand]: 242/247 looper letters, 67 selfloop transitions, 4 changer transitions 0/227 dead transitions. [2023-11-29 03:27:01,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 227 transitions, 730 flow [2023-11-29 03:27:01,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:27:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:27:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1155 transitions. [2023-11-29 03:27:01,730 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7793522267206477 [2023-11-29 03:27:01,730 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1155 transitions. [2023-11-29 03:27:01,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1155 transitions. [2023-11-29 03:27:01,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:01,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1155 transitions. [2023-11-29 03:27:01,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.5) internal successors, (1155), 6 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:01,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:01,736 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:01,736 INFO L175 Difference]: Start difference. First operand has 186 places, 184 transitions, 406 flow. Second operand 6 states and 1155 transitions. [2023-11-29 03:27:01,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 227 transitions, 730 flow [2023-11-29 03:27:01,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 227 transitions, 709 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:27:01,741 INFO L231 Difference]: Finished difference. Result has 189 places, 183 transitions, 407 flow [2023-11-29 03:27:01,742 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=407, PETRI_PLACES=189, PETRI_TRANSITIONS=183} [2023-11-29 03:27:01,743 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -38 predicate places. [2023-11-29 03:27:01,743 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 183 transitions, 407 flow [2023-11-29 03:27:01,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:01,744 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:01,744 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:01,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:27:01,744 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:27:01,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:01,744 INFO L85 PathProgramCache]: Analyzing trace with hash 896086602, now seen corresponding path program 1 times [2023-11-29 03:27:01,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:01,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709595911] [2023-11-29 03:27:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:01,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:01,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709595911] [2023-11-29 03:27:01,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709595911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:01,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:01,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:27:01,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947154018] [2023-11-29 03:27:01,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:01,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:01,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:01,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:01,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:27:01,866 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 247 [2023-11-29 03:27:01,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 183 transitions, 407 flow. Second operand has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:01,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:01,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 247 [2023-11-29 03:27:01,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:02,013 INFO L124 PetriNetUnfolderBase]: 148/629 cut-off events. [2023-11-29 03:27:02,013 INFO L125 PetriNetUnfolderBase]: For 185/249 co-relation queries the response was YES. [2023-11-29 03:27:02,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 629 events. 148/629 cut-off events. For 185/249 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2744 event pairs, 6 based on Foata normal form. 29/598 useless extension candidates. Maximal degree in co-relation 992. Up to 94 conditions per place. [2023-11-29 03:27:02,018 INFO L140 encePairwiseOnDemand]: 242/247 looper letters, 40 selfloop transitions, 5 changer transitions 1/209 dead transitions. [2023-11-29 03:27:02,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 209 transitions, 596 flow [2023-11-29 03:27:02,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:27:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 03:27:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1008 transitions. [2023-11-29 03:27:02,021 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8161943319838056 [2023-11-29 03:27:02,021 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1008 transitions. [2023-11-29 03:27:02,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1008 transitions. [2023-11-29 03:27:02,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:02,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1008 transitions. [2023-11-29 03:27:02,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 201.6) internal successors, (1008), 5 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,026 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,026 INFO L175 Difference]: Start difference. First operand has 189 places, 183 transitions, 407 flow. Second operand 5 states and 1008 transitions. [2023-11-29 03:27:02,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 209 transitions, 596 flow [2023-11-29 03:27:02,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 209 transitions, 589 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:27:02,030 INFO L231 Difference]: Finished difference. Result has 192 places, 185 transitions, 429 flow [2023-11-29 03:27:02,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=429, PETRI_PLACES=192, PETRI_TRANSITIONS=185} [2023-11-29 03:27:02,031 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -35 predicate places. [2023-11-29 03:27:02,031 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 185 transitions, 429 flow [2023-11-29 03:27:02,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:02,032 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:02,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:27:02,032 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:27:02,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:02,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1989274110, now seen corresponding path program 1 times [2023-11-29 03:27:02,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:02,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646245693] [2023-11-29 03:27:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:02,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:02,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646245693] [2023-11-29 03:27:02,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646245693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:02,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:02,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:27:02,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500373932] [2023-11-29 03:27:02,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:02,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:27:02,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:02,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:27:02,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:27:02,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 247 [2023-11-29 03:27:02,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 185 transitions, 429 flow. Second operand has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:02,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 247 [2023-11-29 03:27:02,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:02,856 INFO L124 PetriNetUnfolderBase]: 196/754 cut-off events. [2023-11-29 03:27:02,856 INFO L125 PetriNetUnfolderBase]: For 272/310 co-relation queries the response was YES. [2023-11-29 03:27:02,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1379 conditions, 754 events. 196/754 cut-off events. For 272/310 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3814 event pairs, 54 based on Foata normal form. 0/689 useless extension candidates. Maximal degree in co-relation 1320. Up to 211 conditions per place. [2023-11-29 03:27:02,864 INFO L140 encePairwiseOnDemand]: 242/247 looper letters, 42 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2023-11-29 03:27:02,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 200 transitions, 567 flow [2023-11-29 03:27:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:27:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:27:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1139 transitions. [2023-11-29 03:27:02,869 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7685560053981106 [2023-11-29 03:27:02,869 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1139 transitions. [2023-11-29 03:27:02,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1139 transitions. [2023-11-29 03:27:02,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:02,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1139 transitions. [2023-11-29 03:27:02,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,878 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,878 INFO L175 Difference]: Start difference. First operand has 192 places, 185 transitions, 429 flow. Second operand 6 states and 1139 transitions. [2023-11-29 03:27:02,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 200 transitions, 567 flow [2023-11-29 03:27:02,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 200 transitions, 564 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:27:02,884 INFO L231 Difference]: Finished difference. Result has 194 places, 184 transitions, 432 flow [2023-11-29 03:27:02,884 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=432, PETRI_PLACES=194, PETRI_TRANSITIONS=184} [2023-11-29 03:27:02,885 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -33 predicate places. [2023-11-29 03:27:02,885 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 184 transitions, 432 flow [2023-11-29 03:27:02,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:02,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:02,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:02,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:27:02,887 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-11-29 03:27:02,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:02,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1415597821, now seen corresponding path program 1 times [2023-11-29 03:27:02,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:02,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783145441] [2023-11-29 03:27:02,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:02,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:03,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783145441] [2023-11-29 03:27:03,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783145441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:03,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:03,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:27:03,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579900358] [2023-11-29 03:27:03,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:03,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:27:03,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:03,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:27:03,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:27:03,584 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 247 [2023-11-29 03:27:03,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 184 transitions, 432 flow. Second operand has 6 states, 6 states have (on average 185.5) internal successors, (1113), 6 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:03,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:03,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 247 [2023-11-29 03:27:03,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:03,742 INFO L124 PetriNetUnfolderBase]: 141/696 cut-off events. [2023-11-29 03:27:03,743 INFO L125 PetriNetUnfolderBase]: For 244/272 co-relation queries the response was YES. [2023-11-29 03:27:03,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 696 events. 141/696 cut-off events. For 244/272 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3432 event pairs, 54 based on Foata normal form. 3/634 useless extension candidates. Maximal degree in co-relation 1171. Up to 214 conditions per place. [2023-11-29 03:27:03,748 INFO L140 encePairwiseOnDemand]: 242/247 looper letters, 0 selfloop transitions, 0 changer transitions 183/183 dead transitions. [2023-11-29 03:27:03,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 183 transitions, 488 flow [2023-11-29 03:27:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:27:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:27:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1122 transitions. [2023-11-29 03:27:03,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.757085020242915 [2023-11-29 03:27:03,753 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1122 transitions. [2023-11-29 03:27:03,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1122 transitions. [2023-11-29 03:27:03,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:03,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1122 transitions. [2023-11-29 03:27:03,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:03,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:03,762 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:03,762 INFO L175 Difference]: Start difference. First operand has 194 places, 184 transitions, 432 flow. Second operand 6 states and 1122 transitions. [2023-11-29 03:27:03,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 183 transitions, 488 flow [2023-11-29 03:27:03,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 183 transitions, 481 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:27:03,767 INFO L231 Difference]: Finished difference. Result has 194 places, 0 transitions, 0 flow [2023-11-29 03:27:03,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=194, PETRI_TRANSITIONS=0} [2023-11-29 03:27:03,768 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -33 predicate places. [2023-11-29 03:27:03,768 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 0 transitions, 0 flow [2023-11-29 03:27:03,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.5) internal successors, (1113), 6 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:03,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (77 of 78 remaining) [2023-11-29 03:27:03,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (76 of 78 remaining) [2023-11-29 03:27:03,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (75 of 78 remaining) [2023-11-29 03:27:03,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (74 of 78 remaining) [2023-11-29 03:27:03,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (73 of 78 remaining) [2023-11-29 03:27:03,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (72 of 78 remaining) [2023-11-29 03:27:03,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 78 remaining) [2023-11-29 03:27:03,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (70 of 78 remaining) [2023-11-29 03:27:03,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 78 remaining) [2023-11-29 03:27:03,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (68 of 78 remaining) [2023-11-29 03:27:03,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (67 of 78 remaining) [2023-11-29 03:27:03,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (66 of 78 remaining) [2023-11-29 03:27:03,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (65 of 78 remaining) [2023-11-29 03:27:03,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (64 of 78 remaining) [2023-11-29 03:27:03,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (63 of 78 remaining) [2023-11-29 03:27:03,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (62 of 78 remaining) [2023-11-29 03:27:03,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (61 of 78 remaining) [2023-11-29 03:27:03,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (60 of 78 remaining) [2023-11-29 03:27:03,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (59 of 78 remaining) [2023-11-29 03:27:03,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (58 of 78 remaining) [2023-11-29 03:27:03,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 78 remaining) [2023-11-29 03:27:03,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (56 of 78 remaining) [2023-11-29 03:27:03,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (55 of 78 remaining) [2023-11-29 03:27:03,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (54 of 78 remaining) [2023-11-29 03:27:03,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (53 of 78 remaining) [2023-11-29 03:27:03,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (52 of 78 remaining) [2023-11-29 03:27:03,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (51 of 78 remaining) [2023-11-29 03:27:03,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (50 of 78 remaining) [2023-11-29 03:27:03,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (49 of 78 remaining) [2023-11-29 03:27:03,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 78 remaining) [2023-11-29 03:27:03,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 78 remaining) [2023-11-29 03:27:03,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 78 remaining) [2023-11-29 03:27:03,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 78 remaining) [2023-11-29 03:27:03,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 78 remaining) [2023-11-29 03:27:03,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 78 remaining) [2023-11-29 03:27:03,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 78 remaining) [2023-11-29 03:27:03,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (41 of 78 remaining) [2023-11-29 03:27:03,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 78 remaining) [2023-11-29 03:27:03,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (39 of 78 remaining) [2023-11-29 03:27:03,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (38 of 78 remaining) [2023-11-29 03:27:03,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 78 remaining) [2023-11-29 03:27:03,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 78 remaining) [2023-11-29 03:27:03,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 78 remaining) [2023-11-29 03:27:03,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 78 remaining) [2023-11-29 03:27:03,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 78 remaining) [2023-11-29 03:27:03,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 78 remaining) [2023-11-29 03:27:03,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 78 remaining) [2023-11-29 03:27:03,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 78 remaining) [2023-11-29 03:27:03,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 78 remaining) [2023-11-29 03:27:03,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 78 remaining) [2023-11-29 03:27:03,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 78 remaining) [2023-11-29 03:27:03,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 78 remaining) [2023-11-29 03:27:03,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 78 remaining) [2023-11-29 03:27:03,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 78 remaining) [2023-11-29 03:27:03,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 78 remaining) [2023-11-29 03:27:03,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 78 remaining) [2023-11-29 03:27:03,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 78 remaining) [2023-11-29 03:27:03,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 78 remaining) [2023-11-29 03:27:03,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 78 remaining) [2023-11-29 03:27:03,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (18 of 78 remaining) [2023-11-29 03:27:03,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 78 remaining) [2023-11-29 03:27:03,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 78 remaining) [2023-11-29 03:27:03,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 78 remaining) [2023-11-29 03:27:03,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 78 remaining) [2023-11-29 03:27:03,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 78 remaining) [2023-11-29 03:27:03,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 78 remaining) [2023-11-29 03:27:03,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 78 remaining) [2023-11-29 03:27:03,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 78 remaining) [2023-11-29 03:27:03,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 78 remaining) [2023-11-29 03:27:03,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 78 remaining) [2023-11-29 03:27:03,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (7 of 78 remaining) [2023-11-29 03:27:03,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (6 of 78 remaining) [2023-11-29 03:27:03,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 78 remaining) [2023-11-29 03:27:03,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 78 remaining) [2023-11-29 03:27:03,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (3 of 78 remaining) [2023-11-29 03:27:03,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 78 remaining) [2023-11-29 03:27:03,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 78 remaining) [2023-11-29 03:27:03,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 78 remaining) [2023-11-29 03:27:03,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:27:03,786 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:03,793 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 03:27:03,793 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:27:03,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:27:03 BasicIcfg [2023-11-29 03:27:03,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:27:03,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:27:03,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:27:03,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:27:03,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:26:57" (3/4) ... [2023-11-29 03:27:03,802 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:27:03,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 03:27:03,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 03:27:03,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 03:27:03,812 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 03:27:03,813 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 03:27:03,813 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:27:03,813 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:27:03,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:27:03,904 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:27:03,904 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:27:03,905 INFO L158 Benchmark]: Toolchain (without parser) took 8064.51ms. Allocated memory was 136.3MB in the beginning and 285.2MB in the end (delta: 148.9MB). Free memory was 90.3MB in the beginning and 95.2MB in the end (delta: -4.9MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB. [2023-11-29 03:27:03,905 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:27:03,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.47ms. Allocated memory is still 136.3MB. Free memory was 90.3MB in the beginning and 77.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:27:03,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.15ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 74.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:27:03,906 INFO L158 Benchmark]: Boogie Preprocessor took 51.13ms. Allocated memory is still 136.3MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:27:03,906 INFO L158 Benchmark]: RCFGBuilder took 1073.14ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 71.6MB in the beginning and 120.4MB in the end (delta: -48.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-29 03:27:03,907 INFO L158 Benchmark]: TraceAbstraction took 6472.31ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 119.4MB in the beginning and 101.5MB in the end (delta: 17.9MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2023-11-29 03:27:03,907 INFO L158 Benchmark]: Witness Printer took 104.39ms. Allocated memory is still 285.2MB. Free memory was 101.5MB in the beginning and 95.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:27:03,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.47ms. Allocated memory is still 136.3MB. Free memory was 90.3MB in the beginning and 77.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.15ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 74.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.13ms. Allocated memory is still 136.3MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1073.14ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 71.6MB in the beginning and 120.4MB in the end (delta: -48.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6472.31ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 119.4MB in the beginning and 101.5MB in the end (delta: 17.9MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. * Witness Printer took 104.39ms. Allocated memory is still 285.2MB. Free memory was 101.5MB in the beginning and 95.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 314 locations, 78 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.3s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 496 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 279 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1208 IncrementalHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 156 mSolverCounterUnsat, 21 mSDtfsCounter, 1208 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=471occurred in iteration=0, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 937 NumberOfCodeBlocks, 937 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 924 ConstructedInterpolants, 0 QuantifiedInterpolants, 1428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 03:27:03,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dfa5817-472b-467e-9f38-4926d4838c51/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE