./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.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_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/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_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/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_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:40:46,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:40:46,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:40:46,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:40:46,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:40:46,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:40:46,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:40:46,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:40:46,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:40:46,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:40:46,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:40:46,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:40:46,255 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:40:46,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:40:46,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:40:46,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:40:46,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:40:46,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:40:46,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:40:46,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:40:46,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:40:46,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:40:46,261 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:40:46,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:40:46,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:40:46,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:40:46,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:40:46,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:40:46,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:40:46,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:40:46,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:40:46,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:40:46,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:40:46,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:40:46,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:40:46,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:40:46,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:40:46,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:40:46,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:40:46,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:40:46,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:40:46,267 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_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-29 04:40:46,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:40:46,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:40:46,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:40:46,485 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:40:46,486 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:40:46,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-29 04:40:49,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:40:49,410 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:40:49,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-29 04:40:49,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/data/84889a850/8ef601af1f004491822c0a34be0505a4/FLAG5fdcf30c5 [2023-11-29 04:40:49,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/data/84889a850/8ef601af1f004491822c0a34be0505a4 [2023-11-29 04:40:49,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:40:49,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:40:49,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:40:49,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:40:49,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:40:49,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710ecfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49, skipping insertion in model container [2023-11-29 04:40:49,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:40:49,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:40:49,668 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:40:49,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:40:49,729 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:40:49,730 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:40:49,736 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:40:49,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49 WrapperNode [2023-11-29 04:40:49,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:40:49,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:40:49,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:40:49,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:40:49,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,793 INFO L138 Inliner]: procedures = 27, calls = 84, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 692 [2023-11-29 04:40:49,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:40:49,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:40:49,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:40:49,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:40:49,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:40:49,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:40:49,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:40:49,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:40:49,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (1/1) ... [2023-11-29 04:40:49,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:40:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:40:49,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:40:49,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:40:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:40:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:40:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:40:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:40:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:40:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:40:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:40:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:40:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 04:40:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 04:40:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 04:40:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 04:40:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:40:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:40:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:40:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:40:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:40:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:40:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:40:49,931 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 04:40:50,075 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:40:50,077 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:40:50,950 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:40:51,592 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:40:51,593 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-29 04:40:51,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:40:51 BoogieIcfgContainer [2023-11-29 04:40:51,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:40:51,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:40:51,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:40:51,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:40:51,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:40:49" (1/3) ... [2023-11-29 04:40:51,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db3db66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:40:51, skipping insertion in model container [2023-11-29 04:40:51,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:49" (2/3) ... [2023-11-29 04:40:51,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db3db66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:40:51, skipping insertion in model container [2023-11-29 04:40:51,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:40:51" (3/3) ... [2023-11-29 04:40:51,603 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2023-11-29 04:40:51,612 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:40:51,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:40:51,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 103 error locations. [2023-11-29 04:40:51,622 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:40:51,774 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-29 04:40:51,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 467 places, 476 transitions, 980 flow [2023-11-29 04:40:51,954 INFO L124 PetriNetUnfolderBase]: 22/472 cut-off events. [2023-11-29 04:40:51,955 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 04:40:51,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 472 events. 22/472 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 693 event pairs, 0 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 383. Up to 2 conditions per place. [2023-11-29 04:40:51,963 INFO L82 GeneralOperation]: Start removeDead. Operand has 467 places, 476 transitions, 980 flow [2023-11-29 04:40:51,975 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 447 transitions, 918 flow [2023-11-29 04:40:52,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:40:52,009 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;@6593a15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:40:52,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 186 error locations. [2023-11-29 04:40:52,014 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:40:52,014 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-29 04:40:52,014 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:40:52,014 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:52,015 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 04:40:52,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:52,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:52,020 INFO L85 PathProgramCache]: Analyzing trace with hash -361342956, now seen corresponding path program 1 times [2023-11-29 04:40:52,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:52,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497739975] [2023-11-29 04:40:52,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:52,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:52,216 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 04:40:52,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:52,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497739975] [2023-11-29 04:40:52,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497739975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:52,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:52,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:52,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744979381] [2023-11-29 04:40:52,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:52,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:52,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:52,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:52,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:52,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 476 [2023-11-29 04:40:52,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 447 transitions, 918 flow. Second operand has 3 states, 3 states have (on average 353.3333333333333) internal successors, (1060), 3 states have internal predecessors, (1060), 0 states have call successors, (0), 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 04:40:52,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:52,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 476 [2023-11-29 04:40:52,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:52,727 INFO L124 PetriNetUnfolderBase]: 451/1265 cut-off events. [2023-11-29 04:40:52,727 INFO L125 PetriNetUnfolderBase]: For 202/309 co-relation queries the response was YES. [2023-11-29 04:40:52,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2006 conditions, 1265 events. 451/1265 cut-off events. For 202/309 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5544 event pairs, 272 based on Foata normal form. 186/1303 useless extension candidates. Maximal degree in co-relation 1562. Up to 614 conditions per place. [2023-11-29 04:40:52,742 INFO L140 encePairwiseOnDemand]: 380/476 looper letters, 25 selfloop transitions, 2 changer transitions 7/353 dead transitions. [2023-11-29 04:40:52,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 353 transitions, 784 flow [2023-11-29 04:40:52,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1177 transitions. [2023-11-29 04:40:52,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8242296918767507 [2023-11-29 04:40:52,760 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1177 transitions. [2023-11-29 04:40:52,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1177 transitions. [2023-11-29 04:40:52,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:52,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1177 transitions. [2023-11-29 04:40:52,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 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 04:40:52,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:52,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:52,782 INFO L175 Difference]: Start difference. First operand has 439 places, 447 transitions, 918 flow. Second operand 3 states and 1177 transitions. [2023-11-29 04:40:52,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 353 transitions, 784 flow [2023-11-29 04:40:52,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 353 transitions, 768 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 04:40:52,796 INFO L231 Difference]: Finished difference. Result has 353 places, 346 transitions, 704 flow [2023-11-29 04:40:52,799 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=353, PETRI_TRANSITIONS=346} [2023-11-29 04:40:52,802 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -86 predicate places. [2023-11-29 04:40:52,803 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 346 transitions, 704 flow [2023-11-29 04:40:52,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 353.3333333333333) internal successors, (1060), 3 states have internal predecessors, (1060), 0 states have call successors, (0), 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 04:40:52,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:52,804 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 04:40:52,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:40:52,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:52,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:52,805 INFO L85 PathProgramCache]: Analyzing trace with hash -41516963, now seen corresponding path program 1 times [2023-11-29 04:40:52,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:52,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857604088] [2023-11-29 04:40:52,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:52,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:52,875 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 04:40:52,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:52,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857604088] [2023-11-29 04:40:52,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857604088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:52,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:52,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:52,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86558367] [2023-11-29 04:40:52,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:52,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:52,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:52,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:52,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:52,895 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 476 [2023-11-29 04:40:52,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 346 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 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 04:40:52,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:52,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 476 [2023-11-29 04:40:52,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:53,347 INFO L124 PetriNetUnfolderBase]: 451/1257 cut-off events. [2023-11-29 04:40:53,347 INFO L125 PetriNetUnfolderBase]: For 40/147 co-relation queries the response was YES. [2023-11-29 04:40:53,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1916 conditions, 1257 events. 451/1257 cut-off events. For 40/147 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5497 event pairs, 272 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 1877. Up to 613 conditions per place. [2023-11-29 04:40:53,357 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 24 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2023-11-29 04:40:53,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 345 transitions, 754 flow [2023-11-29 04:40:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2023-11-29 04:40:53,362 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2023-11-29 04:40:53,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1086 transitions. [2023-11-29 04:40:53,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1086 transitions. [2023-11-29 04:40:53,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:53,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1086 transitions. [2023-11-29 04:40:53,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 04:40:53,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:53,372 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:53,372 INFO L175 Difference]: Start difference. First operand has 353 places, 346 transitions, 704 flow. Second operand 3 states and 1086 transitions. [2023-11-29 04:40:53,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 345 transitions, 754 flow [2023-11-29 04:40:53,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 345 transitions, 750 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:40:53,382 INFO L231 Difference]: Finished difference. Result has 345 places, 345 transitions, 702 flow [2023-11-29 04:40:53,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=345, PETRI_TRANSITIONS=345} [2023-11-29 04:40:53,384 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -94 predicate places. [2023-11-29 04:40:53,384 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 345 transitions, 702 flow [2023-11-29 04:40:53,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 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 04:40:53,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:53,385 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 04:40:53,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:40:53,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:53,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:53,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1669345835, now seen corresponding path program 1 times [2023-11-29 04:40:53,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:53,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742172171] [2023-11-29 04:40:53,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:53,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:53,460 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 04:40:53,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:53,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742172171] [2023-11-29 04:40:53,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742172171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:53,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:53,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:53,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562835625] [2023-11-29 04:40:53,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:53,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:53,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:53,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:53,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:53,480 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 476 [2023-11-29 04:40:53,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 345 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 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 04:40:53,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:53,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 476 [2023-11-29 04:40:53,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:53,859 INFO L124 PetriNetUnfolderBase]: 451/1256 cut-off events. [2023-11-29 04:40:53,859 INFO L125 PetriNetUnfolderBase]: For 40/147 co-relation queries the response was YES. [2023-11-29 04:40:53,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1256 events. 451/1256 cut-off events. For 40/147 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5469 event pairs, 272 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 1868. Up to 613 conditions per place. [2023-11-29 04:40:53,867 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 24 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2023-11-29 04:40:53,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 344 transitions, 752 flow [2023-11-29 04:40:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2023-11-29 04:40:53,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2023-11-29 04:40:53,872 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1086 transitions. [2023-11-29 04:40:53,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1086 transitions. [2023-11-29 04:40:53,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:53,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1086 transitions. [2023-11-29 04:40:53,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 04:40:53,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:53,879 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:53,879 INFO L175 Difference]: Start difference. First operand has 345 places, 345 transitions, 702 flow. Second operand 3 states and 1086 transitions. [2023-11-29 04:40:53,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 344 transitions, 752 flow [2023-11-29 04:40:53,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 344 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:40:53,886 INFO L231 Difference]: Finished difference. Result has 344 places, 344 transitions, 700 flow [2023-11-29 04:40:53,887 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=344, PETRI_TRANSITIONS=344} [2023-11-29 04:40:53,887 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -95 predicate places. [2023-11-29 04:40:53,887 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 344 transitions, 700 flow [2023-11-29 04:40:53,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 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 04:40:53,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:53,889 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:40:53,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:40:53,889 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:53,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash -322177251, now seen corresponding path program 1 times [2023-11-29 04:40:53,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:53,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635561366] [2023-11-29 04:40:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:53,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:53,944 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 04:40:53,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:53,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635561366] [2023-11-29 04:40:53,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635561366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:53,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:53,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:53,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037342641] [2023-11-29 04:40:53,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:53,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:53,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:53,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:53,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:53,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 476 [2023-11-29 04:40:53,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 344 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 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 04:40:53,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:53,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 476 [2023-11-29 04:40:53,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:54,273 INFO L124 PetriNetUnfolderBase]: 451/1255 cut-off events. [2023-11-29 04:40:54,273 INFO L125 PetriNetUnfolderBase]: For 40/147 co-relation queries the response was YES. [2023-11-29 04:40:54,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1914 conditions, 1255 events. 451/1255 cut-off events. For 40/147 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5500 event pairs, 272 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 1859. Up to 613 conditions per place. [2023-11-29 04:40:54,281 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 24 selfloop transitions, 2 changer transitions 0/343 dead transitions. [2023-11-29 04:40:54,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 343 transitions, 750 flow [2023-11-29 04:40:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:54,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2023-11-29 04:40:54,285 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2023-11-29 04:40:54,285 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1086 transitions. [2023-11-29 04:40:54,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1086 transitions. [2023-11-29 04:40:54,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:54,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1086 transitions. [2023-11-29 04:40:54,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 04:40:54,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:54,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:54,293 INFO L175 Difference]: Start difference. First operand has 344 places, 344 transitions, 700 flow. Second operand 3 states and 1086 transitions. [2023-11-29 04:40:54,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 343 transitions, 750 flow [2023-11-29 04:40:54,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 343 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:40:54,299 INFO L231 Difference]: Finished difference. Result has 343 places, 343 transitions, 698 flow [2023-11-29 04:40:54,300 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=343, PETRI_TRANSITIONS=343} [2023-11-29 04:40:54,301 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -96 predicate places. [2023-11-29 04:40:54,301 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 343 transitions, 698 flow [2023-11-29 04:40:54,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 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 04:40:54,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:54,302 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] [2023-11-29 04:40:54,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:40:54,302 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:54,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:54,303 INFO L85 PathProgramCache]: Analyzing trace with hash 764868423, now seen corresponding path program 1 times [2023-11-29 04:40:54,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:54,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830930943] [2023-11-29 04:40:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:54,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:54,350 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 04:40:54,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:54,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830930943] [2023-11-29 04:40:54,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830930943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:54,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:54,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:54,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131176222] [2023-11-29 04:40:54,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:54,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:54,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:54,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:54,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:54,362 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 476 [2023-11-29 04:40:54,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 343 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 04:40:54,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:54,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 476 [2023-11-29 04:40:54,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:54,868 INFO L124 PetriNetUnfolderBase]: 595/1823 cut-off events. [2023-11-29 04:40:54,868 INFO L125 PetriNetUnfolderBase]: For 57/143 co-relation queries the response was YES. [2023-11-29 04:40:54,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2684 conditions, 1823 events. 595/1823 cut-off events. For 57/143 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 10277 event pairs, 228 based on Foata normal form. 0/1605 useless extension candidates. Maximal degree in co-relation 2621. Up to 435 conditions per place. [2023-11-29 04:40:54,889 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 36 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2023-11-29 04:40:54,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 357 transitions, 807 flow [2023-11-29 04:40:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1110 transitions. [2023-11-29 04:40:54,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7773109243697479 [2023-11-29 04:40:54,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1110 transitions. [2023-11-29 04:40:54,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1110 transitions. [2023-11-29 04:40:54,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:54,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1110 transitions. [2023-11-29 04:40:54,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 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 04:40:54,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:54,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:54,905 INFO L175 Difference]: Start difference. First operand has 343 places, 343 transitions, 698 flow. Second operand 3 states and 1110 transitions. [2023-11-29 04:40:54,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 357 transitions, 807 flow [2023-11-29 04:40:54,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 357 transitions, 803 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:40:54,914 INFO L231 Difference]: Finished difference. Result has 343 places, 343 transitions, 702 flow [2023-11-29 04:40:54,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=343, PETRI_TRANSITIONS=343} [2023-11-29 04:40:54,915 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -96 predicate places. [2023-11-29 04:40:54,916 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 343 transitions, 702 flow [2023-11-29 04:40:54,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 04:40:54,917 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:54,917 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] [2023-11-29 04:40:54,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:40:54,918 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:54,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:54,918 INFO L85 PathProgramCache]: Analyzing trace with hash 324171339, now seen corresponding path program 1 times [2023-11-29 04:40:54,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:54,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68341598] [2023-11-29 04:40:54,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:54,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:54,976 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 04:40:54,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:54,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68341598] [2023-11-29 04:40:54,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68341598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:54,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:54,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:54,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178603565] [2023-11-29 04:40:54,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:54,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:54,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:54,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:54,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:54,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-29 04:40:54,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 343 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:40:54,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:54,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-29 04:40:54,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:55,507 INFO L124 PetriNetUnfolderBase]: 595/1668 cut-off events. [2023-11-29 04:40:55,507 INFO L125 PetriNetUnfolderBase]: For 153/273 co-relation queries the response was YES. [2023-11-29 04:40:55,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2675 conditions, 1668 events. 595/1668 cut-off events. For 153/273 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 8819 event pairs, 375 based on Foata normal form. 0/1476 useless extension candidates. Maximal degree in co-relation 1348. Up to 808 conditions per place. [2023-11-29 04:40:55,523 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 24 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2023-11-29 04:40:55,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 342 transitions, 752 flow [2023-11-29 04:40:55,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-29 04:40:55,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-29 04:40:55,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-29 04:40:55,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-29 04:40:55,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:55,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-29 04:40:55,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 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 04:40:55,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:55,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:55,539 INFO L175 Difference]: Start difference. First operand has 343 places, 343 transitions, 702 flow. Second operand 3 states and 1088 transitions. [2023-11-29 04:40:55,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 342 transitions, 752 flow [2023-11-29 04:40:55,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 342 transitions, 750 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:40:55,548 INFO L231 Difference]: Finished difference. Result has 343 places, 342 transitions, 702 flow [2023-11-29 04:40:55,549 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=343, PETRI_TRANSITIONS=342} [2023-11-29 04:40:55,550 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -96 predicate places. [2023-11-29 04:40:55,550 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 342 transitions, 702 flow [2023-11-29 04:40:55,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:40:55,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:55,551 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] [2023-11-29 04:40:55,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:40:55,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:55,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:55,552 INFO L85 PathProgramCache]: Analyzing trace with hash 617110432, now seen corresponding path program 1 times [2023-11-29 04:40:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:55,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207948410] [2023-11-29 04:40:55,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:55,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:55,597 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 04:40:55,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:55,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207948410] [2023-11-29 04:40:55,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207948410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:55,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:55,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:55,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013201953] [2023-11-29 04:40:55,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:55,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:55,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:55,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:55,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:55,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 476 [2023-11-29 04:40:55,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 342 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 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 04:40:55,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:55,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 476 [2023-11-29 04:40:55,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:56,038 INFO L124 PetriNetUnfolderBase]: 595/1667 cut-off events. [2023-11-29 04:40:56,038 INFO L125 PetriNetUnfolderBase]: For 152/272 co-relation queries the response was YES. [2023-11-29 04:40:56,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2629 conditions, 1667 events. 595/1667 cut-off events. For 152/272 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 8836 event pairs, 375 based on Foata normal form. 0/1476 useless extension candidates. Maximal degree in co-relation 2557. Up to 809 conditions per place. [2023-11-29 04:40:56,049 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2023-11-29 04:40:56,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 341 transitions, 754 flow [2023-11-29 04:40:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2023-11-29 04:40:56,053 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2023-11-29 04:40:56,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1086 transitions. [2023-11-29 04:40:56,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1086 transitions. [2023-11-29 04:40:56,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:56,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1086 transitions. [2023-11-29 04:40:56,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 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 04:40:56,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:56,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:56,061 INFO L175 Difference]: Start difference. First operand has 343 places, 342 transitions, 702 flow. Second operand 3 states and 1086 transitions. [2023-11-29 04:40:56,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 341 transitions, 754 flow [2023-11-29 04:40:56,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 341 transitions, 750 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:40:56,068 INFO L231 Difference]: Finished difference. Result has 342 places, 341 transitions, 700 flow [2023-11-29 04:40:56,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=342, PETRI_TRANSITIONS=341} [2023-11-29 04:40:56,070 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -97 predicate places. [2023-11-29 04:40:56,070 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 341 transitions, 700 flow [2023-11-29 04:40:56,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 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 04:40:56,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:56,071 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] [2023-11-29 04:40:56,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:40:56,071 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:56,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:56,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1875235280, now seen corresponding path program 1 times [2023-11-29 04:40:56,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:56,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292192817] [2023-11-29 04:40:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:56,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:56,117 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 04:40:56,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:56,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292192817] [2023-11-29 04:40:56,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292192817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:56,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:56,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:56,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233986377] [2023-11-29 04:40:56,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:56,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:56,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:56,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:56,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:56,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 476 [2023-11-29 04:40:56,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 341 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 04:40:56,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:56,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 476 [2023-11-29 04:40:56,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:56,562 INFO L124 PetriNetUnfolderBase]: 749/1942 cut-off events. [2023-11-29 04:40:56,562 INFO L125 PetriNetUnfolderBase]: For 199/336 co-relation queries the response was YES. [2023-11-29 04:40:56,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3137 conditions, 1942 events. 749/1942 cut-off events. For 199/336 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 10666 event pairs, 262 based on Foata normal form. 0/1731 useless extension candidates. Maximal degree in co-relation 3057. Up to 544 conditions per place. [2023-11-29 04:40:56,576 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 37 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2023-11-29 04:40:56,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 355 transitions, 814 flow [2023-11-29 04:40:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:56,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1109 transitions. [2023-11-29 04:40:56,580 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7766106442577031 [2023-11-29 04:40:56,581 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1109 transitions. [2023-11-29 04:40:56,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1109 transitions. [2023-11-29 04:40:56,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:56,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1109 transitions. [2023-11-29 04:40:56,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 369.6666666666667) internal successors, (1109), 3 states have internal predecessors, (1109), 0 states have call successors, (0), 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 04:40:56,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:56,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:56,588 INFO L175 Difference]: Start difference. First operand has 342 places, 341 transitions, 700 flow. Second operand 3 states and 1109 transitions. [2023-11-29 04:40:56,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 355 transitions, 814 flow [2023-11-29 04:40:56,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 355 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:40:56,594 INFO L231 Difference]: Finished difference. Result has 342 places, 341 transitions, 704 flow [2023-11-29 04:40:56,595 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=342, PETRI_TRANSITIONS=341} [2023-11-29 04:40:56,596 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -97 predicate places. [2023-11-29 04:40:56,596 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 341 transitions, 704 flow [2023-11-29 04:40:56,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 04:40:56,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:56,597 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] [2023-11-29 04:40:56,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:40:56,598 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:56,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:56,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1911406734, now seen corresponding path program 1 times [2023-11-29 04:40:56,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:56,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782652103] [2023-11-29 04:40:56,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:56,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:56,647 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 04:40:56,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:56,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782652103] [2023-11-29 04:40:56,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782652103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:56,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:56,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:56,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029609546] [2023-11-29 04:40:56,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:56,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:56,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:56,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:56,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:56,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-29 04:40:56,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 341 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:40:56,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:56,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-29 04:40:56,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:57,134 INFO L124 PetriNetUnfolderBase]: 749/2097 cut-off events. [2023-11-29 04:40:57,134 INFO L125 PetriNetUnfolderBase]: For 307/446 co-relation queries the response was YES. [2023-11-29 04:40:57,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3456 conditions, 2097 events. 749/2097 cut-off events. For 307/446 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12549 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 1839. Up to 1018 conditions per place. [2023-11-29 04:40:57,148 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2023-11-29 04:40:57,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 340 transitions, 756 flow [2023-11-29 04:40:57,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-29 04:40:57,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-29 04:40:57,153 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-29 04:40:57,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-29 04:40:57,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:57,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-29 04:40:57,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 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 04:40:57,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:57,161 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:57,161 INFO L175 Difference]: Start difference. First operand has 342 places, 341 transitions, 704 flow. Second operand 3 states and 1088 transitions. [2023-11-29 04:40:57,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 340 transitions, 756 flow [2023-11-29 04:40:57,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 340 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:40:57,170 INFO L231 Difference]: Finished difference. Result has 342 places, 340 transitions, 704 flow [2023-11-29 04:40:57,170 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=342, PETRI_TRANSITIONS=340} [2023-11-29 04:40:57,171 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -97 predicate places. [2023-11-29 04:40:57,171 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 340 transitions, 704 flow [2023-11-29 04:40:57,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:40:57,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:57,172 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] [2023-11-29 04:40:57,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:40:57,173 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:57,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:57,173 INFO L85 PathProgramCache]: Analyzing trace with hash 43780869, now seen corresponding path program 1 times [2023-11-29 04:40:57,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:57,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494116281] [2023-11-29 04:40:57,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:57,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:57,221 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 04:40:57,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:57,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494116281] [2023-11-29 04:40:57,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494116281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:57,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:57,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:57,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91257533] [2023-11-29 04:40:57,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:57,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:40:57,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:57,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:40:57,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:40:57,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 476 [2023-11-29 04:40:57,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 340 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 04:40:57,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:57,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 476 [2023-11-29 04:40:57,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:40:57,689 INFO L124 PetriNetUnfolderBase]: 749/2096 cut-off events. [2023-11-29 04:40:57,689 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-29 04:40:57,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3401 conditions, 2096 events. 749/2096 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12546 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3312. Up to 1016 conditions per place. [2023-11-29 04:40:57,702 INFO L140 encePairwiseOnDemand]: 474/476 looper letters, 24 selfloop transitions, 1 changer transitions 0/339 dead transitions. [2023-11-29 04:40:57,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 339 transitions, 752 flow [2023-11-29 04:40:57,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:40:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:40:57,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1095 transitions. [2023-11-29 04:40:57,706 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7668067226890757 [2023-11-29 04:40:57,706 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1095 transitions. [2023-11-29 04:40:57,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1095 transitions. [2023-11-29 04:40:57,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:40:57,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1095 transitions. [2023-11-29 04:40:57,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 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 04:40:57,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:57,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:40:57,714 INFO L175 Difference]: Start difference. First operand has 342 places, 340 transitions, 704 flow. Second operand 3 states and 1095 transitions. [2023-11-29 04:40:57,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 339 transitions, 752 flow [2023-11-29 04:40:57,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 339 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:40:57,722 INFO L231 Difference]: Finished difference. Result has 341 places, 339 transitions, 700 flow [2023-11-29 04:40:57,723 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=341, PETRI_TRANSITIONS=339} [2023-11-29 04:40:57,723 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -98 predicate places. [2023-11-29 04:40:57,724 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 339 transitions, 700 flow [2023-11-29 04:40:57,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 04:40:57,725 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:40:57,725 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] [2023-11-29 04:40:57,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:40:57,725 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:40:57,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:57,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1765821374, now seen corresponding path program 1 times [2023-11-29 04:40:57,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:57,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694479923] [2023-11-29 04:40:57,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:57,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:58,193 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 04:40:58,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:58,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694479923] [2023-11-29 04:40:58,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694479923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:58,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:58,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:40:58,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487416823] [2023-11-29 04:40:58,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:58,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:40:58,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:58,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:40:58,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:40:58,491 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 476 [2023-11-29 04:40:58,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 339 transitions, 700 flow. Second operand has 6 states, 6 states have (on average 304.5) internal successors, (1827), 6 states have internal predecessors, (1827), 0 states have call successors, (0), 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 04:40:58,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:40:58,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 476 [2023-11-29 04:40:58,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:00,078 INFO L124 PetriNetUnfolderBase]: 3789/6811 cut-off events. [2023-11-29 04:41:00,079 INFO L125 PetriNetUnfolderBase]: For 1154/1154 co-relation queries the response was YES. [2023-11-29 04:41:00,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12903 conditions, 6811 events. 3789/6811 cut-off events. For 1154/1154 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 42389 event pairs, 2656 based on Foata normal form. 0/6305 useless extension candidates. Maximal degree in co-relation 12815. Up to 4943 conditions per place. [2023-11-29 04:41:00,124 INFO L140 encePairwiseOnDemand]: 458/476 looper letters, 62 selfloop transitions, 15 changer transitions 0/336 dead transitions. [2023-11-29 04:41:00,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 336 transitions, 848 flow [2023-11-29 04:41:00,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:41:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:41:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1896 transitions. [2023-11-29 04:41:00,131 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6638655462184874 [2023-11-29 04:41:00,131 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1896 transitions. [2023-11-29 04:41:00,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1896 transitions. [2023-11-29 04:41:00,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:00,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1896 transitions. [2023-11-29 04:41:00,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 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 04:41:00,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:00,142 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:00,142 INFO L175 Difference]: Start difference. First operand has 341 places, 339 transitions, 700 flow. Second operand 6 states and 1896 transitions. [2023-11-29 04:41:00,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 336 transitions, 848 flow [2023-11-29 04:41:00,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 336 transitions, 847 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:41:00,149 INFO L231 Difference]: Finished difference. Result has 342 places, 336 transitions, 723 flow [2023-11-29 04:41:00,150 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=723, PETRI_PLACES=342, PETRI_TRANSITIONS=336} [2023-11-29 04:41:00,151 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -97 predicate places. [2023-11-29 04:41:00,151 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 336 transitions, 723 flow [2023-11-29 04:41:00,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 304.5) internal successors, (1827), 6 states have internal predecessors, (1827), 0 states have call successors, (0), 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 04:41:00,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:00,151 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] [2023-11-29 04:41:00,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:41:00,152 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:00,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1652046895, now seen corresponding path program 1 times [2023-11-29 04:41:00,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:00,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032272435] [2023-11-29 04:41:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:00,200 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 04:41:00,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:00,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032272435] [2023-11-29 04:41:00,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032272435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:00,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:00,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:00,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146377239] [2023-11-29 04:41:00,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:00,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:00,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:00,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:00,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:00,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-29 04:41:00,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 336 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:41:00,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:00,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-29 04:41:00,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:00,732 INFO L124 PetriNetUnfolderBase]: 749/2092 cut-off events. [2023-11-29 04:41:00,732 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-29 04:41:00,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3413 conditions, 2092 events. 749/2092 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12554 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3363. Up to 1018 conditions per place. [2023-11-29 04:41:00,745 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2023-11-29 04:41:00,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 335 transitions, 775 flow [2023-11-29 04:41:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:41:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-29 04:41:00,749 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-29 04:41:00,749 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-29 04:41:00,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-29 04:41:00,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:00,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-29 04:41:00,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 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 04:41:00,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:00,755 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:00,755 INFO L175 Difference]: Start difference. First operand has 342 places, 336 transitions, 723 flow. Second operand 3 states and 1088 transitions. [2023-11-29 04:41:00,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 335 transitions, 775 flow [2023-11-29 04:41:00,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 335 transitions, 745 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:41:00,762 INFO L231 Difference]: Finished difference. Result has 338 places, 335 transitions, 695 flow [2023-11-29 04:41:00,762 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=338, PETRI_TRANSITIONS=335} [2023-11-29 04:41:00,763 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -101 predicate places. [2023-11-29 04:41:00,763 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 335 transitions, 695 flow [2023-11-29 04:41:00,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:41:00,764 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:00,764 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:00,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:41:00,764 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:00,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:00,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1161508258, now seen corresponding path program 1 times [2023-11-29 04:41:00,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:00,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335520963] [2023-11-29 04:41:00,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:00,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:00,807 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 04:41:00,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335520963] [2023-11-29 04:41:00,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335520963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:00,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:00,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:00,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883505178] [2023-11-29 04:41:00,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:00,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:00,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:00,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:00,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:00,818 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 476 [2023-11-29 04:41:00,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 335 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 04:41:00,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:00,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 476 [2023-11-29 04:41:00,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:01,259 INFO L124 PetriNetUnfolderBase]: 749/2091 cut-off events. [2023-11-29 04:41:01,259 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-29 04:41:01,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 2091 events. 749/2091 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12532 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3308. Up to 1016 conditions per place. [2023-11-29 04:41:01,274 INFO L140 encePairwiseOnDemand]: 474/476 looper letters, 24 selfloop transitions, 1 changer transitions 0/334 dead transitions. [2023-11-29 04:41:01,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 334 transitions, 743 flow [2023-11-29 04:41:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:41:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1095 transitions. [2023-11-29 04:41:01,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7668067226890757 [2023-11-29 04:41:01,278 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1095 transitions. [2023-11-29 04:41:01,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1095 transitions. [2023-11-29 04:41:01,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:01,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1095 transitions. [2023-11-29 04:41:01,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 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 04:41:01,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:01,286 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:01,286 INFO L175 Difference]: Start difference. First operand has 338 places, 335 transitions, 695 flow. Second operand 3 states and 1095 transitions. [2023-11-29 04:41:01,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 334 transitions, 743 flow [2023-11-29 04:41:01,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 334 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:41:01,294 INFO L231 Difference]: Finished difference. Result has 337 places, 334 transitions, 691 flow [2023-11-29 04:41:01,295 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=691, PETRI_PLACES=337, PETRI_TRANSITIONS=334} [2023-11-29 04:41:01,296 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-29 04:41:01,296 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 334 transitions, 691 flow [2023-11-29 04:41:01,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 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 04:41:01,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:01,297 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:01,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:41:01,297 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:01,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:01,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1974261894, now seen corresponding path program 1 times [2023-11-29 04:41:01,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:01,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322324205] [2023-11-29 04:41:01,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:01,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:01,355 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 04:41:01,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:01,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322324205] [2023-11-29 04:41:01,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322324205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:01,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:01,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:01,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291878806] [2023-11-29 04:41:01,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:01,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:01,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:01,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:01,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:01,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-29 04:41:01,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 334 transitions, 691 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:41:01,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:01,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-29 04:41:01,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:01,796 INFO L124 PetriNetUnfolderBase]: 749/2090 cut-off events. [2023-11-29 04:41:01,797 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-29 04:41:01,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 2090 events. 749/2090 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12524 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3308. Up to 1018 conditions per place. [2023-11-29 04:41:01,806 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2023-11-29 04:41:01,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 333 transitions, 743 flow [2023-11-29 04:41:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:41:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-29 04:41:01,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-29 04:41:01,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-29 04:41:01,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-29 04:41:01,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:01,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-29 04:41:01,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 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 04:41:01,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:01,817 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:01,817 INFO L175 Difference]: Start difference. First operand has 337 places, 334 transitions, 691 flow. Second operand 3 states and 1088 transitions. [2023-11-29 04:41:01,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 333 transitions, 743 flow [2023-11-29 04:41:01,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 333 transitions, 742 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:41:01,825 INFO L231 Difference]: Finished difference. Result has 337 places, 333 transitions, 692 flow [2023-11-29 04:41:01,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=337, PETRI_TRANSITIONS=333} [2023-11-29 04:41:01,826 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-29 04:41:01,826 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 333 transitions, 692 flow [2023-11-29 04:41:01,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:41:01,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:01,827 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:01,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:41:01,827 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:01,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:01,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1355634316, now seen corresponding path program 1 times [2023-11-29 04:41:01,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:01,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897893631] [2023-11-29 04:41:01,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:01,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:01,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:01,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897893631] [2023-11-29 04:41:01,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897893631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:01,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:01,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:01,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426688845] [2023-11-29 04:41:01,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:01,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:01,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:01,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:01,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:01,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-29 04:41:01,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 333 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 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 04:41:01,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:01,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-29 04:41:01,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:02,357 INFO L124 PetriNetUnfolderBase]: 749/2088 cut-off events. [2023-11-29 04:41:02,357 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-29 04:41:02,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 2088 events. 749/2088 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12544 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3308. Up to 1018 conditions per place. [2023-11-29 04:41:02,373 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 26 selfloop transitions, 1 changer transitions 0/331 dead transitions. [2023-11-29 04:41:02,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 331 transitions, 742 flow [2023-11-29 04:41:02,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:41:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2023-11-29 04:41:02,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7626050420168067 [2023-11-29 04:41:02,377 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1089 transitions. [2023-11-29 04:41:02,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1089 transitions. [2023-11-29 04:41:02,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:02,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1089 transitions. [2023-11-29 04:41:02,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 0 states have call successors, (0), 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 04:41:02,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:02,384 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:02,384 INFO L175 Difference]: Start difference. First operand has 337 places, 333 transitions, 692 flow. Second operand 3 states and 1089 transitions. [2023-11-29 04:41:02,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 331 transitions, 742 flow [2023-11-29 04:41:02,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 331 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:41:02,392 INFO L231 Difference]: Finished difference. Result has 335 places, 331 transitions, 686 flow [2023-11-29 04:41:02,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=335, PETRI_TRANSITIONS=331} [2023-11-29 04:41:02,394 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -104 predicate places. [2023-11-29 04:41:02,394 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 331 transitions, 686 flow [2023-11-29 04:41:02,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 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 04:41:02,395 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:02,395 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:02,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:41:02,395 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:02,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:02,396 INFO L85 PathProgramCache]: Analyzing trace with hash -450698239, now seen corresponding path program 1 times [2023-11-29 04:41:02,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:02,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829802183] [2023-11-29 04:41:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:02,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:02,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:02,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829802183] [2023-11-29 04:41:02,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829802183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:02,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:02,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:02,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303826107] [2023-11-29 04:41:02,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:02,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:02,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:02,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:02,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:02,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-29 04:41:02,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 331 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:41:02,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:02,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-29 04:41:02,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:03,088 INFO L124 PetriNetUnfolderBase]: 749/2087 cut-off events. [2023-11-29 04:41:03,088 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-29 04:41:03,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3395 conditions, 2087 events. 749/2087 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12480 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3306. Up to 1018 conditions per place. [2023-11-29 04:41:03,101 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2023-11-29 04:41:03,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 330 transitions, 738 flow [2023-11-29 04:41:03,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:41:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-29 04:41:03,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-29 04:41:03,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-29 04:41:03,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-29 04:41:03,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:03,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-29 04:41:03,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 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 04:41:03,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:03,111 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:03,111 INFO L175 Difference]: Start difference. First operand has 335 places, 331 transitions, 686 flow. Second operand 3 states and 1088 transitions. [2023-11-29 04:41:03,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 330 transitions, 738 flow [2023-11-29 04:41:03,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 330 transitions, 737 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:41:03,119 INFO L231 Difference]: Finished difference. Result has 335 places, 330 transitions, 687 flow [2023-11-29 04:41:03,119 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=687, PETRI_PLACES=335, PETRI_TRANSITIONS=330} [2023-11-29 04:41:03,120 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -104 predicate places. [2023-11-29 04:41:03,120 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 330 transitions, 687 flow [2023-11-29 04:41:03,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 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 04:41:03,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:03,121 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:03,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:41:03,121 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:03,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:03,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1334187948, now seen corresponding path program 1 times [2023-11-29 04:41:03,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:03,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537634841] [2023-11-29 04:41:03,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:03,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:04,124 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 04:41:04,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:04,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537634841] [2023-11-29 04:41:04,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537634841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:04,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:04,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:41:04,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245275333] [2023-11-29 04:41:04,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:04,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:41:04,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:04,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:41:04,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:41:04,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 476 [2023-11-29 04:41:04,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 330 transitions, 687 flow. Second operand has 6 states, 6 states have (on average 340.8333333333333) internal successors, (2045), 6 states have internal predecessors, (2045), 0 states have call successors, (0), 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 04:41:04,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:04,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 476 [2023-11-29 04:41:04,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:06,068 INFO L124 PetriNetUnfolderBase]: 3629/5981 cut-off events. [2023-11-29 04:41:06,068 INFO L125 PetriNetUnfolderBase]: For 978/978 co-relation queries the response was YES. [2023-11-29 04:41:06,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11620 conditions, 5981 events. 3629/5981 cut-off events. For 978/978 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 31051 event pairs, 354 based on Foata normal form. 0/5755 useless extension candidates. Maximal degree in co-relation 11530. Up to 1700 conditions per place. [2023-11-29 04:41:06,105 INFO L140 encePairwiseOnDemand]: 471/476 looper letters, 93 selfloop transitions, 4 changer transitions 0/385 dead transitions. [2023-11-29 04:41:06,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 385 transitions, 1023 flow [2023-11-29 04:41:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:41:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:41:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2122 transitions. [2023-11-29 04:41:06,112 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7429971988795518 [2023-11-29 04:41:06,112 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2122 transitions. [2023-11-29 04:41:06,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2122 transitions. [2023-11-29 04:41:06,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:06,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2122 transitions. [2023-11-29 04:41:06,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 353.6666666666667) internal successors, (2122), 6 states have internal predecessors, (2122), 0 states have call successors, (0), 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 04:41:06,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:06,125 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:06,125 INFO L175 Difference]: Start difference. First operand has 335 places, 330 transitions, 687 flow. Second operand 6 states and 2122 transitions. [2023-11-29 04:41:06,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 385 transitions, 1023 flow [2023-11-29 04:41:06,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 385 transitions, 1019 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:41:06,135 INFO L231 Difference]: Finished difference. Result has 337 places, 329 transitions, 689 flow [2023-11-29 04:41:06,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=689, PETRI_PLACES=337, PETRI_TRANSITIONS=329} [2023-11-29 04:41:06,136 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-29 04:41:06,136 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 329 transitions, 689 flow [2023-11-29 04:41:06,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.8333333333333) internal successors, (2045), 6 states have internal predecessors, (2045), 0 states have call successors, (0), 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 04:41:06,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:06,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:06,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:41:06,137 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:06,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:06,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1140703, now seen corresponding path program 1 times [2023-11-29 04:41:06,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:06,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105753968] [2023-11-29 04:41:06,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:06,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:07,066 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 04:41:07,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:07,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105753968] [2023-11-29 04:41:07,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105753968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:07,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:07,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:41:07,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489447927] [2023-11-29 04:41:07,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:07,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:41:07,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:07,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:41:07,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:41:07,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 476 [2023-11-29 04:41:07,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 329 transitions, 689 flow. Second operand has 6 states, 6 states have (on average 341.1666666666667) internal successors, (2047), 6 states have internal predecessors, (2047), 0 states have call successors, (0), 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 04:41:07,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:07,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 476 [2023-11-29 04:41:07,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:08,413 INFO L124 PetriNetUnfolderBase]: 1469/3100 cut-off events. [2023-11-29 04:41:08,413 INFO L125 PetriNetUnfolderBase]: For 530/631 co-relation queries the response was YES. [2023-11-29 04:41:08,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5621 conditions, 3100 events. 1469/3100 cut-off events. For 530/631 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 17004 event pairs, 458 based on Foata normal form. 0/2869 useless extension candidates. Maximal degree in co-relation 5531. Up to 961 conditions per place. [2023-11-29 04:41:08,429 INFO L140 encePairwiseOnDemand]: 471/476 looper letters, 81 selfloop transitions, 4 changer transitions 0/372 dead transitions. [2023-11-29 04:41:08,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 372 transitions, 977 flow [2023-11-29 04:41:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:41:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:41:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2110 transitions. [2023-11-29 04:41:08,435 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.738795518207283 [2023-11-29 04:41:08,435 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2110 transitions. [2023-11-29 04:41:08,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2110 transitions. [2023-11-29 04:41:08,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:08,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2110 transitions. [2023-11-29 04:41:08,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 351.6666666666667) internal successors, (2110), 6 states have internal predecessors, (2110), 0 states have call successors, (0), 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 04:41:08,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:08,443 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:08,443 INFO L175 Difference]: Start difference. First operand has 337 places, 329 transitions, 689 flow. Second operand 6 states and 2110 transitions. [2023-11-29 04:41:08,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 372 transitions, 977 flow [2023-11-29 04:41:08,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 372 transitions, 970 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:41:08,449 INFO L231 Difference]: Finished difference. Result has 337 places, 328 transitions, 688 flow [2023-11-29 04:41:08,450 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=688, PETRI_PLACES=337, PETRI_TRANSITIONS=328} [2023-11-29 04:41:08,450 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-29 04:41:08,450 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 328 transitions, 688 flow [2023-11-29 04:41:08,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.1666666666667) internal successors, (2047), 6 states have internal predecessors, (2047), 0 states have call successors, (0), 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 04:41:08,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:08,451 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:08,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:41:08,451 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:08,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:08,452 INFO L85 PathProgramCache]: Analyzing trace with hash 497129142, now seen corresponding path program 1 times [2023-11-29 04:41:08,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:08,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929195448] [2023-11-29 04:41:08,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:09,250 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 04:41:09,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:09,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929195448] [2023-11-29 04:41:09,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929195448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:09,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:09,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:41:09,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653387591] [2023-11-29 04:41:09,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:09,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:41:09,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:09,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:41:09,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:41:09,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 476 [2023-11-29 04:41:09,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 328 transitions, 688 flow. Second operand has 6 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 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 04:41:09,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:09,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 476 [2023-11-29 04:41:09,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:10,152 INFO L124 PetriNetUnfolderBase]: 909/2313 cut-off events. [2023-11-29 04:41:10,152 INFO L125 PetriNetUnfolderBase]: For 378/503 co-relation queries the response was YES. [2023-11-29 04:41:10,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3963 conditions, 2313 events. 909/2313 cut-off events. For 378/503 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 13408 event pairs, 482 based on Foata normal form. 0/2079 useless extension candidates. Maximal degree in co-relation 3873. Up to 1009 conditions per place. [2023-11-29 04:41:10,164 INFO L140 encePairwiseOnDemand]: 471/476 looper letters, 69 selfloop transitions, 4 changer transitions 0/359 dead transitions. [2023-11-29 04:41:10,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 359 transitions, 928 flow [2023-11-29 04:41:10,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:41:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:41:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2098 transitions. [2023-11-29 04:41:10,171 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7345938375350141 [2023-11-29 04:41:10,171 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2098 transitions. [2023-11-29 04:41:10,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2098 transitions. [2023-11-29 04:41:10,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:10,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2098 transitions. [2023-11-29 04:41:10,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 349.6666666666667) internal successors, (2098), 6 states have internal predecessors, (2098), 0 states have call successors, (0), 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 04:41:10,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:10,179 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:10,179 INFO L175 Difference]: Start difference. First operand has 337 places, 328 transitions, 688 flow. Second operand 6 states and 2098 transitions. [2023-11-29 04:41:10,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 359 transitions, 928 flow [2023-11-29 04:41:10,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 359 transitions, 921 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:41:10,185 INFO L231 Difference]: Finished difference. Result has 337 places, 327 transitions, 687 flow [2023-11-29 04:41:10,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=687, PETRI_PLACES=337, PETRI_TRANSITIONS=327} [2023-11-29 04:41:10,186 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-29 04:41:10,186 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 327 transitions, 687 flow [2023-11-29 04:41:10,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 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 04:41:10,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:10,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:10,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:41:10,187 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:10,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:10,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1713995910, now seen corresponding path program 1 times [2023-11-29 04:41:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:10,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647154380] [2023-11-29 04:41:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:11,081 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 04:41:11,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:11,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647154380] [2023-11-29 04:41:11,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647154380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:11,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:11,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:41:11,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947252050] [2023-11-29 04:41:11,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:11,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:41:11,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:11,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:41:11,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:41:11,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 476 [2023-11-29 04:41:11,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 327 transitions, 687 flow. Second operand has 6 states, 6 states have (on average 341.8333333333333) internal successors, (2051), 6 states have internal predecessors, (2051), 0 states have call successors, (0), 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 04:41:11,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:11,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 476 [2023-11-29 04:41:11,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:11,834 INFO L124 PetriNetUnfolderBase]: 789/2124 cut-off events. [2023-11-29 04:41:11,834 INFO L125 PetriNetUnfolderBase]: For 322/459 co-relation queries the response was YES. [2023-11-29 04:41:11,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3557 conditions, 2124 events. 789/2124 cut-off events. For 322/459 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12620 event pairs, 488 based on Foata normal form. 0/1896 useless extension candidates. Maximal degree in co-relation 3467. Up to 1025 conditions per place. [2023-11-29 04:41:11,848 INFO L140 encePairwiseOnDemand]: 471/476 looper letters, 53 selfloop transitions, 4 changer transitions 0/342 dead transitions. [2023-11-29 04:41:11,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 342 transitions, 847 flow [2023-11-29 04:41:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:41:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:41:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2086 transitions. [2023-11-29 04:41:11,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7303921568627451 [2023-11-29 04:41:11,853 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2086 transitions. [2023-11-29 04:41:11,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2086 transitions. [2023-11-29 04:41:11,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:11,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2086 transitions. [2023-11-29 04:41:11,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 347.6666666666667) internal successors, (2086), 6 states have internal predecessors, (2086), 0 states have call successors, (0), 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 04:41:11,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:11,860 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 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 04:41:11,861 INFO L175 Difference]: Start difference. First operand has 337 places, 327 transitions, 687 flow. Second operand 6 states and 2086 transitions. [2023-11-29 04:41:11,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 342 transitions, 847 flow [2023-11-29 04:41:11,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 342 transitions, 840 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:41:11,866 INFO L231 Difference]: Finished difference. Result has 337 places, 326 transitions, 686 flow [2023-11-29 04:41:11,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=686, PETRI_PLACES=337, PETRI_TRANSITIONS=326} [2023-11-29 04:41:11,867 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-29 04:41:11,867 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 326 transitions, 686 flow [2023-11-29 04:41:11,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.8333333333333) internal successors, (2051), 6 states have internal predecessors, (2051), 0 states have call successors, (0), 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 04:41:11,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:41:11,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:11,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:41:11,867 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-29 04:41:11,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:11,868 INFO L85 PathProgramCache]: Analyzing trace with hash 198733243, now seen corresponding path program 1 times [2023-11-29 04:41:11,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:11,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369178827] [2023-11-29 04:41:11,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:11,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:11,970 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 04:41:11,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:11,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369178827] [2023-11-29 04:41:11,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369178827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:11,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:11,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:11,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394253368] [2023-11-29 04:41:11,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:11,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:11,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:11,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:11,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:11,976 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 476 [2023-11-29 04:41:11,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 326 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 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 04:41:11,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:41:11,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 476 [2023-11-29 04:41:11,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:41:12,370 INFO L124 PetriNetUnfolderBase]: 749/2070 cut-off events. [2023-11-29 04:41:12,370 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-29 04:41:12,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3408 conditions, 2070 events. 749/2070 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12448 event pairs, 488 based on Foata normal form. 4/1848 useless extension candidates. Maximal degree in co-relation 3329. Up to 1015 conditions per place. [2023-11-29 04:41:12,376 INFO L140 encePairwiseOnDemand]: 474/476 looper letters, 0 selfloop transitions, 0 changer transitions 325/325 dead transitions. [2023-11-29 04:41:12,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 325 transitions, 730 flow [2023-11-29 04:41:12,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:12,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:41:12,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1096 transitions. [2023-11-29 04:41:12,379 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7675070028011205 [2023-11-29 04:41:12,379 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1096 transitions. [2023-11-29 04:41:12,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1096 transitions. [2023-11-29 04:41:12,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:41:12,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1096 transitions. [2023-11-29 04:41:12,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 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 04:41:12,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:12,383 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 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 04:41:12,383 INFO L175 Difference]: Start difference. First operand has 337 places, 326 transitions, 686 flow. Second operand 3 states and 1096 transitions. [2023-11-29 04:41:12,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 325 transitions, 730 flow [2023-11-29 04:41:12,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 325 transitions, 723 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:41:12,387 INFO L231 Difference]: Finished difference. Result has 334 places, 0 transitions, 0 flow [2023-11-29 04:41:12,388 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=334, PETRI_TRANSITIONS=0} [2023-11-29 04:41:12,388 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -105 predicate places. [2023-11-29 04:41:12,388 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 0 transitions, 0 flow [2023-11-29 04:41:12,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 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 04:41:12,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (185 of 186 remaining) [2023-11-29 04:41:12,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (184 of 186 remaining) [2023-11-29 04:41:12,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (183 of 186 remaining) [2023-11-29 04:41:12,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (182 of 186 remaining) [2023-11-29 04:41:12,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (181 of 186 remaining) [2023-11-29 04:41:12,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (180 of 186 remaining) [2023-11-29 04:41:12,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (179 of 186 remaining) [2023-11-29 04:41:12,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (178 of 186 remaining) [2023-11-29 04:41:12,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (177 of 186 remaining) [2023-11-29 04:41:12,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (176 of 186 remaining) [2023-11-29 04:41:12,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (175 of 186 remaining) [2023-11-29 04:41:12,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (174 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (173 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (172 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (171 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (170 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (169 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (168 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (167 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (166 of 186 remaining) [2023-11-29 04:41:12,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (165 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (164 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (163 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (162 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (161 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (160 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (159 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (158 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (157 of 186 remaining) [2023-11-29 04:41:12,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (156 of 186 remaining) [2023-11-29 04:41:12,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (155 of 186 remaining) [2023-11-29 04:41:12,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (154 of 186 remaining) [2023-11-29 04:41:12,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (153 of 186 remaining) [2023-11-29 04:41:12,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (152 of 186 remaining) [2023-11-29 04:41:12,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (151 of 186 remaining) [2023-11-29 04:41:12,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (150 of 186 remaining) [2023-11-29 04:41:12,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (149 of 186 remaining) [2023-11-29 04:41:12,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (148 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (147 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (146 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (145 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (144 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (143 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (142 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (141 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (140 of 186 remaining) [2023-11-29 04:41:12,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (139 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (138 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (137 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (136 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (135 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (134 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (133 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (132 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (131 of 186 remaining) [2023-11-29 04:41:12,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (130 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (129 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (128 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (127 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (126 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (125 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (124 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (123 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (122 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (121 of 186 remaining) [2023-11-29 04:41:12,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (120 of 186 remaining) [2023-11-29 04:41:12,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (119 of 186 remaining) [2023-11-29 04:41:12,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (118 of 186 remaining) [2023-11-29 04:41:12,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (117 of 186 remaining) [2023-11-29 04:41:12,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (116 of 186 remaining) [2023-11-29 04:41:12,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (115 of 186 remaining) [2023-11-29 04:41:12,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (114 of 186 remaining) [2023-11-29 04:41:12,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (113 of 186 remaining) [2023-11-29 04:41:12,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (112 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (111 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (110 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (109 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (108 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (107 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (106 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (105 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (104 of 186 remaining) [2023-11-29 04:41:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (103 of 186 remaining) [2023-11-29 04:41:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 186 remaining) [2023-11-29 04:41:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 186 remaining) [2023-11-29 04:41:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 186 remaining) [2023-11-29 04:41:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (99 of 186 remaining) [2023-11-29 04:41:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (98 of 186 remaining) [2023-11-29 04:41:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (97 of 186 remaining) [2023-11-29 04:41:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (96 of 186 remaining) [2023-11-29 04:41:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (95 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (94 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (93 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (92 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (91 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (90 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (89 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (88 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (87 of 186 remaining) [2023-11-29 04:41:12,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (86 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (85 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (84 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (83 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (82 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (81 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (80 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (79 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 186 remaining) [2023-11-29 04:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 186 remaining) [2023-11-29 04:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (68 of 186 remaining) [2023-11-29 04:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (67 of 186 remaining) [2023-11-29 04:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (66 of 186 remaining) [2023-11-29 04:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (65 of 186 remaining) [2023-11-29 04:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (64 of 186 remaining) [2023-11-29 04:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (63 of 186 remaining) [2023-11-29 04:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (62 of 186 remaining) [2023-11-29 04:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (61 of 186 remaining) [2023-11-29 04:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 186 remaining) [2023-11-29 04:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (45 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (44 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (43 of 186 remaining) [2023-11-29 04:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (42 of 186 remaining) [2023-11-29 04:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (41 of 186 remaining) [2023-11-29 04:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (40 of 186 remaining) [2023-11-29 04:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 186 remaining) [2023-11-29 04:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 186 remaining) [2023-11-29 04:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 186 remaining) [2023-11-29 04:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 186 remaining) [2023-11-29 04:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 186 remaining) [2023-11-29 04:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 186 remaining) [2023-11-29 04:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 186 remaining) [2023-11-29 04:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 186 remaining) [2023-11-29 04:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 186 remaining) [2023-11-29 04:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 186 remaining) [2023-11-29 04:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 186 remaining) [2023-11-29 04:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 186 remaining) [2023-11-29 04:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 186 remaining) [2023-11-29 04:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 186 remaining) [2023-11-29 04:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 186 remaining) [2023-11-29 04:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 186 remaining) [2023-11-29 04:41:12,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:41:12,413 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:12,420 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:41:12,420 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:41:12,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:41:12 BasicIcfg [2023-11-29 04:41:12,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:41:12,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:41:12,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:41:12,428 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:41:12,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:40:51" (3/4) ... [2023-11-29 04:41:12,430 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:41:12,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 04:41:12,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 04:41:12,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 04:41:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 04:41:12,442 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-29 04:41:12,443 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:41:12,444 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:41:12,444 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:41:12,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:41:12,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:41:12,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:41:12,547 INFO L158 Benchmark]: Toolchain (without parser) took 23112.59ms. Allocated memory was 159.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 128.5MB in the beginning and 843.7MB in the end (delta: -715.2MB). Peak memory consumption was 633.5MB. Max. memory is 16.1GB. [2023-11-29 04:41:12,547 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:41:12,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.21ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 113.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:41:12,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.07ms. Allocated memory is still 159.4MB. Free memory was 113.5MB in the beginning and 108.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:41:12,548 INFO L158 Benchmark]: Boogie Preprocessor took 61.34ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 104.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:41:12,548 INFO L158 Benchmark]: RCFGBuilder took 1739.64ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 104.6MB in the beginning and 155.4MB in the end (delta: -50.8MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2023-11-29 04:41:12,548 INFO L158 Benchmark]: TraceAbstraction took 20829.26ms. Allocated memory was 226.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 154.4MB in the beginning and 851.0MB in the end (delta: -696.7MB). Peak memory consumption was 581.6MB. Max. memory is 16.1GB. [2023-11-29 04:41:12,549 INFO L158 Benchmark]: Witness Printer took 118.65ms. Allocated memory is still 1.5GB. Free memory was 851.0MB in the beginning and 843.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:41:12,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.21ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 113.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.07ms. Allocated memory is still 159.4MB. Free memory was 113.5MB in the beginning and 108.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.34ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 104.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1739.64ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 104.6MB in the beginning and 155.4MB in the end (delta: -50.8MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20829.26ms. Allocated memory was 226.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 154.4MB in the beginning and 851.0MB in the end (delta: -696.7MB). Peak memory consumption was 581.6MB. Max. memory is 16.1GB. * Witness Printer took 118.65ms. Allocated memory is still 1.5GB. Free memory was 851.0MB in the beginning and 843.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 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: 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: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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: 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: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: 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: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 162]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 162]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 162]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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: 113]: 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: 113]: 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: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: 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 9 procedures, 570 locations, 186 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: 20.6s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 963 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 561 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 329 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2704 IncrementalHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 329 mSolverCounterUnsat, 34 mSDtfsCounter, 2704 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=918occurred in iteration=0, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2628 NumberOfCodeBlocks, 2628 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2607 ConstructedInterpolants, 0 QuantifiedInterpolants, 3078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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 103 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:41:12,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f7e594-6646-4ec2-a82c-2ee535ec6d34/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