./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/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_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/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_304be1bd-d0b0-44dc-b180-a6f3b1758e15/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 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:31:08,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:31:08,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:31:08,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:31:08,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:31:08,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:31:08,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:31:08,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:31:08,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:31:08,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:31:08,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:31:08,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:31:08,936 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:31:08,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:31:08,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:31:08,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:31:08,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:31:08,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:31:08,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:31:08,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:31:08,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:31:08,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:31:08,941 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:31:08,941 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:31:08,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:31:08,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:31:08,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:31:08,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:31:08,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:31:08,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:31:08,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:31:08,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:31:08,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:31:08,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:31:08,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:31:08,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:31:08,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:31:08,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:31:08,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:31:08,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:31:08,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:31:08,948 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_304be1bd-d0b0-44dc-b180-a6f3b1758e15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa [2023-11-29 02:31:09,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:31:09,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:31:09,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:31:09,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:31:09,187 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:31:09,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2023-11-29 02:31:11,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:31:12,087 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:31:12,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2023-11-29 02:31:12,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/data/9526c2cc9/62a95d744a0a4f7e9993e3ee2d85e977/FLAGd9acaa883 [2023-11-29 02:31:12,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/data/9526c2cc9/62a95d744a0a4f7e9993e3ee2d85e977 [2023-11-29 02:31:12,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:31:12,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:31:12,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:31:12,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:31:12,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:31:12,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e71639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12, skipping insertion in model container [2023-11-29 02:31:12,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:31:12,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:31:12,309 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:31:12,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:31:12,360 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:31:12,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12 WrapperNode [2023-11-29 02:31:12,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:31:12,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:31:12,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:31:12,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:31:12,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,415 INFO L138 Inliner]: procedures = 25, calls = 38, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 343 [2023-11-29 02:31:12,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:31:12,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:31:12,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:31:12,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:31:12,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:31:12,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:31:12,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:31:12,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:31:12,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (1/1) ... [2023-11-29 02:31:12,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:31:12,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:12,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:12,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:31:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:31:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:31:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:31:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:31:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:31:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:31:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:31:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:31:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:31:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:31:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:31:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:31:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:31:12,540 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 02:31:12,664 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:31:12,665 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:31:13,134 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:31:13,155 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:31:13,155 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 02:31:13,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:31:13 BoogieIcfgContainer [2023-11-29 02:31:13,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:31:13,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:31:13,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:31:13,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:31:13,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:31:12" (1/3) ... [2023-11-29 02:31:13,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60234272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:31:13, skipping insertion in model container [2023-11-29 02:31:13,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:12" (2/3) ... [2023-11-29 02:31:13,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60234272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:31:13, skipping insertion in model container [2023-11-29 02:31:13,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:31:13" (3/3) ... [2023-11-29 02:31:13,166 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2023-11-29 02:31:13,175 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:31:13,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:31:13,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-29 02:31:13,186 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:31:13,304 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 02:31:13,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 430 places, 449 transitions, 912 flow [2023-11-29 02:31:13,516 INFO L124 PetriNetUnfolderBase]: 26/447 cut-off events. [2023-11-29 02:31:13,516 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 02:31:13,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 447 events. 26/447 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 706 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 255. Up to 2 conditions per place. [2023-11-29 02:31:13,529 INFO L82 GeneralOperation]: Start removeDead. Operand has 430 places, 449 transitions, 912 flow [2023-11-29 02:31:13,539 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 406 places, 423 transitions, 858 flow [2023-11-29 02:31:13,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:31:13,557 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;@21c994d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:31:13,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-29 02:31:13,567 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:31:13,567 INFO L124 PetriNetUnfolderBase]: 3/59 cut-off events. [2023-11-29 02:31:13,567 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:31:13,567 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:13,568 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] [2023-11-29 02:31:13,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:13,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash -238933603, now seen corresponding path program 1 times [2023-11-29 02:31:13,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:13,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090212426] [2023-11-29 02:31:13,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:14,386 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 02:31:14,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:14,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090212426] [2023-11-29 02:31:14,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090212426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:14,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:14,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:14,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454501319] [2023-11-29 02:31:14,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:14,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:14,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:14,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:14,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:14,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 449 [2023-11-29 02:31:14,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 423 transitions, 858 flow. Second operand has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states 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 02:31:14,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:14,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 449 [2023-11-29 02:31:14,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:16,142 INFO L124 PetriNetUnfolderBase]: 876/6787 cut-off events. [2023-11-29 02:31:16,142 INFO L125 PetriNetUnfolderBase]: For 70/79 co-relation queries the response was YES. [2023-11-29 02:31:16,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8108 conditions, 6787 events. 876/6787 cut-off events. For 70/79 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 70045 event pairs, 688 based on Foata normal form. 371/6142 useless extension candidates. Maximal degree in co-relation 7511. Up to 1268 conditions per place. [2023-11-29 02:31:16,213 INFO L140 encePairwiseOnDemand]: 421/449 looper letters, 44 selfloop transitions, 10 changer transitions 6/405 dead transitions. [2023-11-29 02:31:16,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 405 transitions, 930 flow [2023-11-29 02:31:16,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2322 transitions. [2023-11-29 02:31:16,235 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8619153674832962 [2023-11-29 02:31:16,236 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2322 transitions. [2023-11-29 02:31:16,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2322 transitions. [2023-11-29 02:31:16,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:16,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2322 transitions. [2023-11-29 02:31:16,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 387.0) internal successors, (2322), 6 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states 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 02:31:16,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:16,270 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:16,272 INFO L175 Difference]: Start difference. First operand has 406 places, 423 transitions, 858 flow. Second operand 6 states and 2322 transitions. [2023-11-29 02:31:16,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 405 transitions, 930 flow [2023-11-29 02:31:16,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 405 transitions, 922 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:31:16,290 INFO L231 Difference]: Finished difference. Result has 405 places, 399 transitions, 822 flow [2023-11-29 02:31:16,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=822, PETRI_PLACES=405, PETRI_TRANSITIONS=399} [2023-11-29 02:31:16,296 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -1 predicate places. [2023-11-29 02:31:16,297 INFO L495 AbstractCegarLoop]: Abstraction has has 405 places, 399 transitions, 822 flow [2023-11-29 02:31:16,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states 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 02:31:16,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:16,299 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:16,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:31:16,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:16,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:16,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2110557148, now seen corresponding path program 1 times [2023-11-29 02:31:16,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:16,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969493010] [2023-11-29 02:31:16,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:16,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:16,342 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 02:31:16,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:16,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969493010] [2023-11-29 02:31:16,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969493010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:16,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:16,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:16,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303446432] [2023-11-29 02:31:16,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:16,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:16,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:16,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:16,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:16,366 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 449 [2023-11-29 02:31:16,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 399 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:16,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:16,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 449 [2023-11-29 02:31:16,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:16,458 INFO L124 PetriNetUnfolderBase]: 13/520 cut-off events. [2023-11-29 02:31:16,458 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2023-11-29 02:31:16,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 520 events. 13/520 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1414 event pairs, 3 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 520. Up to 16 conditions per place. [2023-11-29 02:31:16,477 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 9 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2023-11-29 02:31:16,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 398 transitions, 842 flow [2023-11-29 02:31:16,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1266 transitions. [2023-11-29 02:31:16,482 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9398663697104677 [2023-11-29 02:31:16,482 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:16,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states 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 02:31:16,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:16,493 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:16,494 INFO L175 Difference]: Start difference. First operand has 405 places, 399 transitions, 822 flow. Second operand 3 states and 1266 transitions. [2023-11-29 02:31:16,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 398 transitions, 842 flow [2023-11-29 02:31:16,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 398 transitions, 822 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:31:16,503 INFO L231 Difference]: Finished difference. Result has 395 places, 398 transitions, 804 flow [2023-11-29 02:31:16,504 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=395, PETRI_TRANSITIONS=398} [2023-11-29 02:31:16,505 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -11 predicate places. [2023-11-29 02:31:16,505 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 398 transitions, 804 flow [2023-11-29 02:31:16,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:16,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:16,507 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 02:31:16,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:31:16,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:16,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:16,508 INFO L85 PathProgramCache]: Analyzing trace with hash 524953959, now seen corresponding path program 1 times [2023-11-29 02:31:16,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:16,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037049599] [2023-11-29 02:31:16,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:16,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:16,565 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 02:31:16,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:16,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037049599] [2023-11-29 02:31:16,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037049599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:16,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:16,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:16,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873461079] [2023-11-29 02:31:16,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:16,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:16,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:16,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:16,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:16,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 449 [2023-11-29 02:31:16,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 398 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:16,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:16,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 449 [2023-11-29 02:31:16,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:16,689 INFO L124 PetriNetUnfolderBase]: 16/590 cut-off events. [2023-11-29 02:31:16,689 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-29 02:31:16,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 590 events. 16/590 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1591 event pairs, 3 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 548. Up to 18 conditions per place. [2023-11-29 02:31:16,696 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 9 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2023-11-29 02:31:16,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 397 transitions, 824 flow [2023-11-29 02:31:16,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:16,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:16,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1266 transitions. [2023-11-29 02:31:16,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9398663697104677 [2023-11-29 02:31:16,701 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:16,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states 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 02:31:16,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:16,712 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:16,712 INFO L175 Difference]: Start difference. First operand has 395 places, 398 transitions, 804 flow. Second operand 3 states and 1266 transitions. [2023-11-29 02:31:16,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 397 transitions, 824 flow [2023-11-29 02:31:16,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 397 transitions, 820 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:16,722 INFO L231 Difference]: Finished difference. Result has 394 places, 397 transitions, 802 flow [2023-11-29 02:31:16,723 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=394, PETRI_TRANSITIONS=397} [2023-11-29 02:31:16,723 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -12 predicate places. [2023-11-29 02:31:16,724 INFO L495 AbstractCegarLoop]: Abstraction has has 394 places, 397 transitions, 802 flow [2023-11-29 02:31:16,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:16,725 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:16,725 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] [2023-11-29 02:31:16,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:31:16,725 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:16,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:16,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1321957302, now seen corresponding path program 1 times [2023-11-29 02:31:16,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:16,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286025958] [2023-11-29 02:31:16,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:16,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:16,795 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 02:31:16,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:16,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286025958] [2023-11-29 02:31:16,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286025958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:16,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:16,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:16,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319806321] [2023-11-29 02:31:16,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:16,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:16,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:16,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:16,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:16,816 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 449 [2023-11-29 02:31:16,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 397 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:16,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:16,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 449 [2023-11-29 02:31:16,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:16,932 INFO L124 PetriNetUnfolderBase]: 15/606 cut-off events. [2023-11-29 02:31:16,933 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 02:31:16,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 631 conditions, 606 events. 15/606 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1913 event pairs, 3 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 515. Up to 16 conditions per place. [2023-11-29 02:31:16,940 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 9 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2023-11-29 02:31:16,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 396 transitions, 822 flow [2023-11-29 02:31:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1266 transitions. [2023-11-29 02:31:16,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9398663697104677 [2023-11-29 02:31:16,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:16,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1266 transitions. [2023-11-29 02:31:16,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states 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 02:31:16,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:16,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:16,958 INFO L175 Difference]: Start difference. First operand has 394 places, 397 transitions, 802 flow. Second operand 3 states and 1266 transitions. [2023-11-29 02:31:16,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 396 transitions, 822 flow [2023-11-29 02:31:16,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 396 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:16,969 INFO L231 Difference]: Finished difference. Result has 393 places, 396 transitions, 800 flow [2023-11-29 02:31:16,970 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=393, PETRI_TRANSITIONS=396} [2023-11-29 02:31:16,971 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -13 predicate places. [2023-11-29 02:31:16,971 INFO L495 AbstractCegarLoop]: Abstraction has has 393 places, 396 transitions, 800 flow [2023-11-29 02:31:16,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:16,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:16,972 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] [2023-11-29 02:31:16,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:31:16,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:16,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:16,973 INFO L85 PathProgramCache]: Analyzing trace with hash -821058799, now seen corresponding path program 1 times [2023-11-29 02:31:16,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:16,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605807599] [2023-11-29 02:31:16,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:16,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:17,040 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 02:31:17,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:17,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605807599] [2023-11-29 02:31:17,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605807599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:17,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:17,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:17,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197390642] [2023-11-29 02:31:17,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:17,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:17,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:17,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:17,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:17,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 449 [2023-11-29 02:31:17,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 396 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:17,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:17,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 449 [2023-11-29 02:31:17,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:17,165 INFO L124 PetriNetUnfolderBase]: 15/607 cut-off events. [2023-11-29 02:31:17,165 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2023-11-29 02:31:17,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 607 events. 15/607 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1754 event pairs, 3 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 509. Up to 16 conditions per place. [2023-11-29 02:31:17,171 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 9 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2023-11-29 02:31:17,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 395 transitions, 820 flow [2023-11-29 02:31:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1266 transitions. [2023-11-29 02:31:17,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9398663697104677 [2023-11-29 02:31:17,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1266 transitions. [2023-11-29 02:31:17,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1266 transitions. [2023-11-29 02:31:17,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:17,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1266 transitions. [2023-11-29 02:31:17,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states 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 02:31:17,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:17,187 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:17,188 INFO L175 Difference]: Start difference. First operand has 393 places, 396 transitions, 800 flow. Second operand 3 states and 1266 transitions. [2023-11-29 02:31:17,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 395 transitions, 820 flow [2023-11-29 02:31:17,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 395 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:17,196 INFO L231 Difference]: Finished difference. Result has 392 places, 395 transitions, 798 flow [2023-11-29 02:31:17,197 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=392, PETRI_TRANSITIONS=395} [2023-11-29 02:31:17,198 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -14 predicate places. [2023-11-29 02:31:17,198 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 395 transitions, 798 flow [2023-11-29 02:31:17,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:17,199 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:17,199 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] [2023-11-29 02:31:17,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:31:17,200 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:17,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:17,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1915804808, now seen corresponding path program 1 times [2023-11-29 02:31:17,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:17,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765867755] [2023-11-29 02:31:17,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:17,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:17,251 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 02:31:17,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:17,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765867755] [2023-11-29 02:31:17,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765867755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:17,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:17,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:17,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462647254] [2023-11-29 02:31:17,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:17,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:17,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:17,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:17,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:17,265 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 449 [2023-11-29 02:31:17,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 395 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states 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 02:31:17,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:17,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 449 [2023-11-29 02:31:17,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:17,393 INFO L124 PetriNetUnfolderBase]: 26/887 cut-off events. [2023-11-29 02:31:17,393 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 02:31:17,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 887 events. 26/887 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3831 event pairs, 5 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 791. Up to 22 conditions per place. [2023-11-29 02:31:17,402 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 10 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2023-11-29 02:31:17,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 396 transitions, 825 flow [2023-11-29 02:31:17,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:17,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1274 transitions. [2023-11-29 02:31:17,406 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9458054936896808 [2023-11-29 02:31:17,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1274 transitions. [2023-11-29 02:31:17,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1274 transitions. [2023-11-29 02:31:17,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:17,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1274 transitions. [2023-11-29 02:31:17,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states 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 02:31:17,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:17,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:17,416 INFO L175 Difference]: Start difference. First operand has 392 places, 395 transitions, 798 flow. Second operand 3 states and 1274 transitions. [2023-11-29 02:31:17,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 396 transitions, 825 flow [2023-11-29 02:31:17,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 396 transitions, 821 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:17,426 INFO L231 Difference]: Finished difference. Result has 391 places, 395 transitions, 804 flow [2023-11-29 02:31:17,426 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=391, PETRI_TRANSITIONS=395} [2023-11-29 02:31:17,427 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -15 predicate places. [2023-11-29 02:31:17,427 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 395 transitions, 804 flow [2023-11-29 02:31:17,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states 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 02:31:17,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:17,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:17,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:31:17,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:17,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:17,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1470458961, now seen corresponding path program 1 times [2023-11-29 02:31:17,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:17,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427902195] [2023-11-29 02:31:17,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:17,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:17,491 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 02:31:17,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:17,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427902195] [2023-11-29 02:31:17,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427902195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:17,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:17,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:17,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518209022] [2023-11-29 02:31:17,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:17,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:17,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:17,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:17,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:17,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 449 [2023-11-29 02:31:17,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 395 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states 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 02:31:17,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:17,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 449 [2023-11-29 02:31:17,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:17,613 INFO L124 PetriNetUnfolderBase]: 27/865 cut-off events. [2023-11-29 02:31:17,613 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 02:31:17,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 865 events. 27/865 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4049 event pairs, 3 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 674. Up to 22 conditions per place. [2023-11-29 02:31:17,619 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 10 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2023-11-29 02:31:17,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 396 transitions, 831 flow [2023-11-29 02:31:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:17,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1274 transitions. [2023-11-29 02:31:17,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9458054936896808 [2023-11-29 02:31:17,623 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1274 transitions. [2023-11-29 02:31:17,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1274 transitions. [2023-11-29 02:31:17,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:17,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1274 transitions. [2023-11-29 02:31:17,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states 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 02:31:17,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:17,630 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:17,630 INFO L175 Difference]: Start difference. First operand has 391 places, 395 transitions, 804 flow. Second operand 3 states and 1274 transitions. [2023-11-29 02:31:17,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 396 transitions, 831 flow [2023-11-29 02:31:17,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 396 transitions, 831 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:31:17,636 INFO L231 Difference]: Finished difference. Result has 392 places, 395 transitions, 814 flow [2023-11-29 02:31:17,637 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=392, PETRI_TRANSITIONS=395} [2023-11-29 02:31:17,638 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -14 predicate places. [2023-11-29 02:31:17,638 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 395 transitions, 814 flow [2023-11-29 02:31:17,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states 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 02:31:17,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:17,639 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] [2023-11-29 02:31:17,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:31:17,639 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:17,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:17,640 INFO L85 PathProgramCache]: Analyzing trace with hash 203590022, now seen corresponding path program 1 times [2023-11-29 02:31:17,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:17,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653377703] [2023-11-29 02:31:17,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:17,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:17,728 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 02:31:17,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:17,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653377703] [2023-11-29 02:31:17,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653377703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:17,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:17,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:17,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885563347] [2023-11-29 02:31:17,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:17,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:31:17,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:17,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:31:17,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:31:17,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:17,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 395 transitions, 814 flow. Second operand has 5 states, 5 states have (on average 412.6) internal successors, (2063), 5 states have internal predecessors, (2063), 0 states have call successors, (0), 0 states 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 02:31:17,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:17,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:17,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:17,980 INFO L124 PetriNetUnfolderBase]: 14/606 cut-off events. [2023-11-29 02:31:17,980 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2023-11-29 02:31:17,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 606 events. 14/606 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1822 event pairs, 0 based on Foata normal form. 2/544 useless extension candidates. Maximal degree in co-relation 395. Up to 10 conditions per place. [2023-11-29 02:31:17,986 INFO L140 encePairwiseOnDemand]: 435/449 looper letters, 12 selfloop transitions, 12 changer transitions 0/397 dead transitions. [2023-11-29 02:31:17,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 397 transitions, 866 flow [2023-11-29 02:31:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:31:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:31:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2071 transitions. [2023-11-29 02:31:17,992 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9224944320712695 [2023-11-29 02:31:17,992 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2071 transitions. [2023-11-29 02:31:17,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2071 transitions. [2023-11-29 02:31:17,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:17,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2071 transitions. [2023-11-29 02:31:17,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 414.2) internal successors, (2071), 5 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states 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 02:31:18,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states 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 02:31:18,003 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states 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 02:31:18,003 INFO L175 Difference]: Start difference. First operand has 392 places, 395 transitions, 814 flow. Second operand 5 states and 2071 transitions. [2023-11-29 02:31:18,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 397 transitions, 866 flow [2023-11-29 02:31:18,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 397 transitions, 866 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:31:18,012 INFO L231 Difference]: Finished difference. Result has 397 places, 397 transitions, 854 flow [2023-11-29 02:31:18,013 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=854, PETRI_PLACES=397, PETRI_TRANSITIONS=397} [2023-11-29 02:31:18,013 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -9 predicate places. [2023-11-29 02:31:18,014 INFO L495 AbstractCegarLoop]: Abstraction has has 397 places, 397 transitions, 854 flow [2023-11-29 02:31:18,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 412.6) internal successors, (2063), 5 states have internal predecessors, (2063), 0 states have call successors, (0), 0 states 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 02:31:18,015 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:18,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:18,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:31:18,016 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:18,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:18,016 INFO L85 PathProgramCache]: Analyzing trace with hash 734229805, now seen corresponding path program 1 times [2023-11-29 02:31:18,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:18,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727357916] [2023-11-29 02:31:18,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:18,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:31:18,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:18,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727357916] [2023-11-29 02:31:18,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727357916] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:31:18,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679249449] [2023-11-29 02:31:18,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:18,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:31:18,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:18,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:31:18,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:31:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:18,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:31:18,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:31:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:31:18,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:31:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:31:18,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679249449] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:31:18,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:31:18,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-29 02:31:18,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648267774] [2023-11-29 02:31:18,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:31:18,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:31:18,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:18,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:31:18,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:31:18,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 449 [2023-11-29 02:31:18,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 397 transitions, 854 flow. Second operand has 15 states, 15 states have (on average 405.73333333333335) internal successors, (6086), 15 states have internal predecessors, (6086), 0 states have call successors, (0), 0 states 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 02:31:18,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:18,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 449 [2023-11-29 02:31:18,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:19,264 INFO L124 PetriNetUnfolderBase]: 14/640 cut-off events. [2023-11-29 02:31:19,265 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2023-11-29 02:31:19,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 640 events. 14/640 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1771 event pairs, 0 based on Foata normal form. 4/580 useless extension candidates. Maximal degree in co-relation 503. Up to 10 conditions per place. [2023-11-29 02:31:19,272 INFO L140 encePairwiseOnDemand]: 429/449 looper letters, 20 selfloop transitions, 26 changer transitions 0/413 dead transitions. [2023-11-29 02:31:19,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 413 transitions, 982 flow [2023-11-29 02:31:19,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:31:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 02:31:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4483 transitions. [2023-11-29 02:31:19,288 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9076736181413242 [2023-11-29 02:31:19,289 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4483 transitions. [2023-11-29 02:31:19,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4483 transitions. [2023-11-29 02:31:19,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:19,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4483 transitions. [2023-11-29 02:31:19,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 407.54545454545456) internal successors, (4483), 11 states have internal predecessors, (4483), 0 states have call successors, (0), 0 states 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 02:31:19,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 449.0) internal successors, (5388), 12 states have internal predecessors, (5388), 0 states have call successors, (0), 0 states 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 02:31:19,322 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 449.0) internal successors, (5388), 12 states have internal predecessors, (5388), 0 states have call successors, (0), 0 states 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 02:31:19,322 INFO L175 Difference]: Start difference. First operand has 397 places, 397 transitions, 854 flow. Second operand 11 states and 4483 transitions. [2023-11-29 02:31:19,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 413 transitions, 982 flow [2023-11-29 02:31:19,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 413 transitions, 962 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 02:31:19,334 INFO L231 Difference]: Finished difference. Result has 407 places, 409 transitions, 954 flow [2023-11-29 02:31:19,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=954, PETRI_PLACES=407, PETRI_TRANSITIONS=409} [2023-11-29 02:31:19,335 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, 1 predicate places. [2023-11-29 02:31:19,336 INFO L495 AbstractCegarLoop]: Abstraction has has 407 places, 409 transitions, 954 flow [2023-11-29 02:31:19,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 405.73333333333335) internal successors, (6086), 15 states have internal predecessors, (6086), 0 states have call successors, (0), 0 states 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 02:31:19,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:19,338 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:19,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:31:19,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 02:31:19,539 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:19,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:19,539 INFO L85 PathProgramCache]: Analyzing trace with hash -146426739, now seen corresponding path program 2 times [2023-11-29 02:31:19,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:19,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653411036] [2023-11-29 02:31:19,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:19,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-29 02:31:19,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:19,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653411036] [2023-11-29 02:31:19,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653411036] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:31:19,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088747682] [2023-11-29 02:31:19,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:31:19,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:31:19,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:19,931 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:31:19,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:31:20,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 02:31:20,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:31:20,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 02:31:20,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:31:20,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 02:31:20,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 02:31:20,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:31:20,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-29 02:31:20,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:31:20,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-29 02:31:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:31:20,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:31:20,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088747682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:20,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:31:20,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2023-11-29 02:31:20,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106230224] [2023-11-29 02:31:20,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:20,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:31:20,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:20,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:31:20,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:31:20,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:20,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 409 transitions, 954 flow. Second operand has 7 states, 7 states have (on average 411.42857142857144) internal successors, (2880), 7 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states 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 02:31:20,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:20,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:20,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:21,084 INFO L124 PetriNetUnfolderBase]: 14/639 cut-off events. [2023-11-29 02:31:21,084 INFO L125 PetriNetUnfolderBase]: For 15/26 co-relation queries the response was YES. [2023-11-29 02:31:21,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 639 events. 14/639 cut-off events. For 15/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1766 event pairs, 0 based on Foata normal form. 8/584 useless extension candidates. Maximal degree in co-relation 505. Up to 27 conditions per place. [2023-11-29 02:31:21,090 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 14 selfloop transitions, 5 changer transitions 0/408 dead transitions. [2023-11-29 02:31:21,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 408 transitions, 990 flow [2023-11-29 02:31:21,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:31:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 02:31:21,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2883 transitions. [2023-11-29 02:31:21,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9172764874323894 [2023-11-29 02:31:21,098 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2883 transitions. [2023-11-29 02:31:21,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2883 transitions. [2023-11-29 02:31:21,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:21,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2883 transitions. [2023-11-29 02:31:21,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 411.85714285714283) internal successors, (2883), 7 states have internal predecessors, (2883), 0 states have call successors, (0), 0 states 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 02:31:21,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 449.0) internal successors, (3592), 8 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states 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 02:31:21,114 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 449.0) internal successors, (3592), 8 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states 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 02:31:21,115 INFO L175 Difference]: Start difference. First operand has 407 places, 409 transitions, 954 flow. Second operand 7 states and 2883 transitions. [2023-11-29 02:31:21,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 408 transitions, 990 flow [2023-11-29 02:31:21,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 408 transitions, 966 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-11-29 02:31:21,125 INFO L231 Difference]: Finished difference. Result has 409 places, 408 transitions, 938 flow [2023-11-29 02:31:21,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=928, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=938, PETRI_PLACES=409, PETRI_TRANSITIONS=408} [2023-11-29 02:31:21,127 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, 3 predicate places. [2023-11-29 02:31:21,127 INFO L495 AbstractCegarLoop]: Abstraction has has 409 places, 408 transitions, 938 flow [2023-11-29 02:31:21,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 411.42857142857144) internal successors, (2880), 7 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states 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 02:31:21,128 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:21,129 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:21,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:31:21,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:31:21,331 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:21,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:21,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1973975062, now seen corresponding path program 1 times [2023-11-29 02:31:21,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:21,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954633322] [2023-11-29 02:31:21,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:21,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:31:21,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:21,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954633322] [2023-11-29 02:31:21,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954633322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:21,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:21,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:21,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106819428] [2023-11-29 02:31:21,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:21,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:21,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:21,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:21,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:21,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 449 [2023-11-29 02:31:21,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 408 transitions, 938 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states 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 02:31:21,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:21,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 449 [2023-11-29 02:31:21,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:21,633 INFO L124 PetriNetUnfolderBase]: 25/738 cut-off events. [2023-11-29 02:31:21,633 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-29 02:31:21,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 867 conditions, 738 events. 25/738 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2573 event pairs, 6 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 757. Up to 33 conditions per place. [2023-11-29 02:31:21,641 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 14 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2023-11-29 02:31:21,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 408 transitions, 971 flow [2023-11-29 02:31:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2023-11-29 02:31:21,645 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9368968077208611 [2023-11-29 02:31:21,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1262 transitions. [2023-11-29 02:31:21,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1262 transitions. [2023-11-29 02:31:21,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:21,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1262 transitions. [2023-11-29 02:31:21,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states 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 02:31:21,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:21,652 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:21,652 INFO L175 Difference]: Start difference. First operand has 409 places, 408 transitions, 938 flow. Second operand 3 states and 1262 transitions. [2023-11-29 02:31:21,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 408 transitions, 971 flow [2023-11-29 02:31:21,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 408 transitions, 962 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:31:21,662 INFO L231 Difference]: Finished difference. Result has 405 places, 407 transitions, 931 flow [2023-11-29 02:31:21,663 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=931, PETRI_PLACES=405, PETRI_TRANSITIONS=407} [2023-11-29 02:31:21,663 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -1 predicate places. [2023-11-29 02:31:21,663 INFO L495 AbstractCegarLoop]: Abstraction has has 405 places, 407 transitions, 931 flow [2023-11-29 02:31:21,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states 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 02:31:21,664 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:21,664 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:21,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:31:21,664 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:21,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:21,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2111738367, now seen corresponding path program 1 times [2023-11-29 02:31:21,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:21,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773989558] [2023-11-29 02:31:21,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:21,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:31:21,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:21,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773989558] [2023-11-29 02:31:21,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773989558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:21,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:21,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:21,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396537394] [2023-11-29 02:31:21,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:21,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:21,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:21,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:21,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:21,780 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 449 [2023-11-29 02:31:21,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 407 transitions, 931 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states 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 02:31:21,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:21,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 449 [2023-11-29 02:31:21,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:22,031 INFO L124 PetriNetUnfolderBase]: 43/1191 cut-off events. [2023-11-29 02:31:22,031 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2023-11-29 02:31:22,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1316 conditions, 1191 events. 43/1191 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5355 event pairs, 2 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 1098. Up to 41 conditions per place. [2023-11-29 02:31:22,042 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 12 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2023-11-29 02:31:22,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 410 transitions, 968 flow [2023-11-29 02:31:22,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1276 transitions. [2023-11-29 02:31:22,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.947290274684484 [2023-11-29 02:31:22,046 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1276 transitions. [2023-11-29 02:31:22,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1276 transitions. [2023-11-29 02:31:22,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:22,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1276 transitions. [2023-11-29 02:31:22,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states 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 02:31:22,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:22,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:22,053 INFO L175 Difference]: Start difference. First operand has 405 places, 407 transitions, 931 flow. Second operand 3 states and 1276 transitions. [2023-11-29 02:31:22,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 410 transitions, 968 flow [2023-11-29 02:31:22,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 410 transitions, 964 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:22,063 INFO L231 Difference]: Finished difference. Result has 404 places, 407 transitions, 937 flow [2023-11-29 02:31:22,063 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=937, PETRI_PLACES=404, PETRI_TRANSITIONS=407} [2023-11-29 02:31:22,064 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -2 predicate places. [2023-11-29 02:31:22,064 INFO L495 AbstractCegarLoop]: Abstraction has has 404 places, 407 transitions, 937 flow [2023-11-29 02:31:22,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states 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 02:31:22,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:22,065 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:22,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:31:22,065 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:22,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:22,065 INFO L85 PathProgramCache]: Analyzing trace with hash 310463035, now seen corresponding path program 1 times [2023-11-29 02:31:22,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:22,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176425297] [2023-11-29 02:31:22,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:31:22,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:22,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176425297] [2023-11-29 02:31:22,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176425297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:22,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:22,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:22,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141940236] [2023-11-29 02:31:22,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:22,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:22,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:22,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:22,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:22,200 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 449 [2023-11-29 02:31:22,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 407 transitions, 937 flow. Second operand has 3 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states 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 02:31:22,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:22,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 449 [2023-11-29 02:31:22,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:22,395 INFO L124 PetriNetUnfolderBase]: 48/1004 cut-off events. [2023-11-29 02:31:22,396 INFO L125 PetriNetUnfolderBase]: For 34/36 co-relation queries the response was YES. [2023-11-29 02:31:22,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1167 conditions, 1004 events. 48/1004 cut-off events. For 34/36 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4198 event pairs, 10 based on Foata normal form. 0/880 useless extension candidates. Maximal degree in co-relation 950. Up to 61 conditions per place. [2023-11-29 02:31:22,406 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 14 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2023-11-29 02:31:22,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 407 transitions, 970 flow [2023-11-29 02:31:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2023-11-29 02:31:22,410 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9368968077208611 [2023-11-29 02:31:22,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1262 transitions. [2023-11-29 02:31:22,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1262 transitions. [2023-11-29 02:31:22,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:22,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1262 transitions. [2023-11-29 02:31:22,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states 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 02:31:22,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:22,417 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:22,417 INFO L175 Difference]: Start difference. First operand has 404 places, 407 transitions, 937 flow. Second operand 3 states and 1262 transitions. [2023-11-29 02:31:22,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 407 transitions, 970 flow [2023-11-29 02:31:22,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 407 transitions, 970 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:31:22,426 INFO L231 Difference]: Finished difference. Result has 405 places, 406 transitions, 939 flow [2023-11-29 02:31:22,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=935, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=939, PETRI_PLACES=405, PETRI_TRANSITIONS=406} [2023-11-29 02:31:22,428 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -1 predicate places. [2023-11-29 02:31:22,428 INFO L495 AbstractCegarLoop]: Abstraction has has 405 places, 406 transitions, 939 flow [2023-11-29 02:31:22,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states 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 02:31:22,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:22,429 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:22,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:31:22,429 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:22,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:22,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1039411794, now seen corresponding path program 1 times [2023-11-29 02:31:22,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:22,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954278553] [2023-11-29 02:31:22,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:22,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:31:22,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:22,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954278553] [2023-11-29 02:31:22,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954278553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:22,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:22,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:22,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519355508] [2023-11-29 02:31:22,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:22,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:22,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:22,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:22,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:22,574 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:22,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 406 transitions, 939 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states 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 02:31:22,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:22,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:22,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:22,884 INFO L124 PetriNetUnfolderBase]: 45/1154 cut-off events. [2023-11-29 02:31:22,884 INFO L125 PetriNetUnfolderBase]: For 16/28 co-relation queries the response was YES. [2023-11-29 02:31:22,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1336 conditions, 1154 events. 45/1154 cut-off events. For 16/28 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4862 event pairs, 5 based on Foata normal form. 2/1041 useless extension candidates. Maximal degree in co-relation 1118. Up to 36 conditions per place. [2023-11-29 02:31:22,897 INFO L140 encePairwiseOnDemand]: 439/449 looper letters, 16 selfloop transitions, 5 changer transitions 0/405 dead transitions. [2023-11-29 02:31:22,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 405 transitions, 980 flow [2023-11-29 02:31:22,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:22,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-29 02:31:22,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9302152932442465 [2023-11-29 02:31:22,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-29 02:31:22,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-29 02:31:22,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:22,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-29 02:31:22,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states 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 02:31:22,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:22,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:22,907 INFO L175 Difference]: Start difference. First operand has 405 places, 406 transitions, 939 flow. Second operand 3 states and 1253 transitions. [2023-11-29 02:31:22,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 405 transitions, 980 flow [2023-11-29 02:31:22,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 405 transitions, 976 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:22,917 INFO L231 Difference]: Finished difference. Result has 402 places, 404 transitions, 957 flow [2023-11-29 02:31:22,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=957, PETRI_PLACES=402, PETRI_TRANSITIONS=404} [2023-11-29 02:31:22,918 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -4 predicate places. [2023-11-29 02:31:22,918 INFO L495 AbstractCegarLoop]: Abstraction has has 402 places, 404 transitions, 957 flow [2023-11-29 02:31:22,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states 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 02:31:22,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:22,919 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:22,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:31:22,919 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:22,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:22,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1566796122, now seen corresponding path program 1 times [2023-11-29 02:31:22,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:22,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768024584] [2023-11-29 02:31:22,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:22,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:31:23,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:23,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768024584] [2023-11-29 02:31:23,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768024584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:23,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:23,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:31:23,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841535642] [2023-11-29 02:31:23,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:23,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:31:23,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:23,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:31:23,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:31:23,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 449 [2023-11-29 02:31:23,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 404 transitions, 957 flow. Second operand has 4 states, 4 states have (on average 420.25) internal successors, (1681), 4 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states 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 02:31:23,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:23,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 449 [2023-11-29 02:31:23,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:23,421 INFO L124 PetriNetUnfolderBase]: 46/1324 cut-off events. [2023-11-29 02:31:23,421 INFO L125 PetriNetUnfolderBase]: For 43/65 co-relation queries the response was YES. [2023-11-29 02:31:23,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1557 conditions, 1324 events. 46/1324 cut-off events. For 43/65 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6119 event pairs, 7 based on Foata normal form. 3/1196 useless extension candidates. Maximal degree in co-relation 1338. Up to 34 conditions per place. [2023-11-29 02:31:23,434 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 20 selfloop transitions, 4 changer transitions 0/415 dead transitions. [2023-11-29 02:31:23,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 415 transitions, 1032 flow [2023-11-29 02:31:23,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:31:23,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:31:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2120 transitions. [2023-11-29 02:31:23,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9443207126948775 [2023-11-29 02:31:23,439 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2120 transitions. [2023-11-29 02:31:23,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2120 transitions. [2023-11-29 02:31:23,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:23,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2120 transitions. [2023-11-29 02:31:23,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 424.0) internal successors, (2120), 5 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states 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 02:31:23,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states 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 02:31:23,450 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states 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 02:31:23,451 INFO L175 Difference]: Start difference. First operand has 402 places, 404 transitions, 957 flow. Second operand 5 states and 2120 transitions. [2023-11-29 02:31:23,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 415 transitions, 1032 flow [2023-11-29 02:31:23,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 415 transitions, 1022 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:23,460 INFO L231 Difference]: Finished difference. Result has 407 places, 406 transitions, 972 flow [2023-11-29 02:31:23,461 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=943, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=972, PETRI_PLACES=407, PETRI_TRANSITIONS=406} [2023-11-29 02:31:23,462 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, 1 predicate places. [2023-11-29 02:31:23,462 INFO L495 AbstractCegarLoop]: Abstraction has has 407 places, 406 transitions, 972 flow [2023-11-29 02:31:23,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 420.25) internal successors, (1681), 4 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states 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 02:31:23,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:23,463 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:23,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:31:23,463 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:23,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:23,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1134624950, now seen corresponding path program 1 times [2023-11-29 02:31:23,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:23,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014904712] [2023-11-29 02:31:23,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:31:23,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:23,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014904712] [2023-11-29 02:31:23,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014904712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:23,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:23,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:23,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026744665] [2023-11-29 02:31:23,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:23,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:23,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:23,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:23,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:23,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 449 [2023-11-29 02:31:23,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 406 transitions, 972 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states 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 02:31:23,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:23,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 449 [2023-11-29 02:31:23,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:23,930 INFO L124 PetriNetUnfolderBase]: 62/1755 cut-off events. [2023-11-29 02:31:23,930 INFO L125 PetriNetUnfolderBase]: For 35/36 co-relation queries the response was YES. [2023-11-29 02:31:23,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1755 events. 62/1755 cut-off events. For 35/36 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 10006 event pairs, 7 based on Foata normal form. 0/1591 useless extension candidates. Maximal degree in co-relation 1808. Up to 76 conditions per place. [2023-11-29 02:31:23,943 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 12 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2023-11-29 02:31:23,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 409 transitions, 1009 flow [2023-11-29 02:31:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1276 transitions. [2023-11-29 02:31:23,947 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.947290274684484 [2023-11-29 02:31:23,947 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1276 transitions. [2023-11-29 02:31:23,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1276 transitions. [2023-11-29 02:31:23,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:23,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1276 transitions. [2023-11-29 02:31:23,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states 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 02:31:23,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:23,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:23,955 INFO L175 Difference]: Start difference. First operand has 407 places, 406 transitions, 972 flow. Second operand 3 states and 1276 transitions. [2023-11-29 02:31:23,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 409 transitions, 1009 flow [2023-11-29 02:31:23,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 409 transitions, 1009 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:31:23,965 INFO L231 Difference]: Finished difference. Result has 408 places, 406 transitions, 982 flow [2023-11-29 02:31:23,965 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=968, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=982, PETRI_PLACES=408, PETRI_TRANSITIONS=406} [2023-11-29 02:31:23,966 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, 2 predicate places. [2023-11-29 02:31:23,966 INFO L495 AbstractCegarLoop]: Abstraction has has 408 places, 406 transitions, 982 flow [2023-11-29 02:31:23,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states 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 02:31:23,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:23,967 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:23,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:31:23,967 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:23,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1698457432, now seen corresponding path program 1 times [2023-11-29 02:31:23,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:23,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990798962] [2023-11-29 02:31:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:23,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-29 02:31:24,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:24,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990798962] [2023-11-29 02:31:24,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990798962] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:31:24,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068447041] [2023-11-29 02:31:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:24,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:31:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:24,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:31:24,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:31:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:24,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 02:31:24,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:31:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-29 02:31:24,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:31:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-29 02:31:24,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068447041] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:31:24,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:31:24,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-11-29 02:31:24,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106369035] [2023-11-29 02:31:24,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:31:24,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 02:31:24,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:24,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 02:31:24,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-29 02:31:25,608 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 449 [2023-11-29 02:31:25,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 406 transitions, 982 flow. Second operand has 22 states, 22 states have (on average 405.54545454545456) internal successors, (8922), 22 states have internal predecessors, (8922), 0 states have call successors, (0), 0 states 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 02:31:25,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:25,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 449 [2023-11-29 02:31:25,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:26,221 INFO L124 PetriNetUnfolderBase]: 34/1354 cut-off events. [2023-11-29 02:31:26,222 INFO L125 PetriNetUnfolderBase]: For 55/59 co-relation queries the response was YES. [2023-11-29 02:31:26,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1628 conditions, 1354 events. 34/1354 cut-off events. For 55/59 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5844 event pairs, 1 based on Foata normal form. 4/1243 useless extension candidates. Maximal degree in co-relation 1359. Up to 19 conditions per place. [2023-11-29 02:31:26,236 INFO L140 encePairwiseOnDemand]: 429/449 looper letters, 24 selfloop transitions, 38 changer transitions 0/426 dead transitions. [2023-11-29 02:31:26,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 426 transitions, 1202 flow [2023-11-29 02:31:26,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:31:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-29 02:31:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6917 transitions. [2023-11-29 02:31:26,252 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9061967771518407 [2023-11-29 02:31:26,252 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 6917 transitions. [2023-11-29 02:31:26,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 6917 transitions. [2023-11-29 02:31:26,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:26,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 6917 transitions. [2023-11-29 02:31:26,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 406.88235294117646) internal successors, (6917), 17 states have internal predecessors, (6917), 0 states have call successors, (0), 0 states 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 02:31:26,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 449.0) internal successors, (8082), 18 states have internal predecessors, (8082), 0 states have call successors, (0), 0 states 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 02:31:26,282 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 449.0) internal successors, (8082), 18 states have internal predecessors, (8082), 0 states have call successors, (0), 0 states 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 02:31:26,282 INFO L175 Difference]: Start difference. First operand has 408 places, 406 transitions, 982 flow. Second operand 17 states and 6917 transitions. [2023-11-29 02:31:26,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 426 transitions, 1202 flow [2023-11-29 02:31:26,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 426 transitions, 1202 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:31:26,292 INFO L231 Difference]: Finished difference. Result has 427 places, 420 transitions, 1166 flow [2023-11-29 02:31:26,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=982, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1166, PETRI_PLACES=427, PETRI_TRANSITIONS=420} [2023-11-29 02:31:26,293 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, 21 predicate places. [2023-11-29 02:31:26,293 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 420 transitions, 1166 flow [2023-11-29 02:31:26,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 405.54545454545456) internal successors, (8922), 22 states have internal predecessors, (8922), 0 states have call successors, (0), 0 states 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 02:31:26,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:26,295 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:26,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:31:26,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 02:31:26,496 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:26,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash -646095544, now seen corresponding path program 2 times [2023-11-29 02:31:26,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:26,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669024688] [2023-11-29 02:31:26,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:26,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:27,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:27,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669024688] [2023-11-29 02:31:27,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669024688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:27,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:27,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:27,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267059890] [2023-11-29 02:31:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:27,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:27,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:27,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:27,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:27,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:27,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 420 transitions, 1166 flow. Second operand has 6 states, 6 states have (on average 411.8333333333333) internal successors, (2471), 6 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states 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 02:31:27,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:27,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:27,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:27,884 INFO L124 PetriNetUnfolderBase]: 49/1486 cut-off events. [2023-11-29 02:31:27,884 INFO L125 PetriNetUnfolderBase]: For 91/99 co-relation queries the response was YES. [2023-11-29 02:31:27,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 1486 events. 49/1486 cut-off events. For 91/99 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6941 event pairs, 3 based on Foata normal form. 5/1372 useless extension candidates. Maximal degree in co-relation 1621. Up to 72 conditions per place. [2023-11-29 02:31:27,894 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 20 selfloop transitions, 6 changer transitions 0/423 dead transitions. [2023-11-29 02:31:27,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 423 transitions, 1228 flow [2023-11-29 02:31:27,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:27,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2480 transitions. [2023-11-29 02:31:27,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9205642167780252 [2023-11-29 02:31:27,901 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2480 transitions. [2023-11-29 02:31:27,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2480 transitions. [2023-11-29 02:31:27,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:27,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2480 transitions. [2023-11-29 02:31:27,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 413.3333333333333) internal successors, (2480), 6 states have internal predecessors, (2480), 0 states have call successors, (0), 0 states 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 02:31:27,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:27,908 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:27,908 INFO L175 Difference]: Start difference. First operand has 427 places, 420 transitions, 1166 flow. Second operand 6 states and 2480 transitions. [2023-11-29 02:31:27,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 423 transitions, 1228 flow [2023-11-29 02:31:27,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 423 transitions, 1176 flow, removed 8 selfloop flow, removed 8 redundant places. [2023-11-29 02:31:27,917 INFO L231 Difference]: Finished difference. Result has 423 places, 419 transitions, 1124 flow [2023-11-29 02:31:27,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1124, PETRI_PLACES=423, PETRI_TRANSITIONS=419} [2023-11-29 02:31:27,918 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, 17 predicate places. [2023-11-29 02:31:27,918 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 419 transitions, 1124 flow [2023-11-29 02:31:27,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 411.8333333333333) internal successors, (2471), 6 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states 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 02:31:27,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:27,918 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:27,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:31:27,919 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:27,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:27,919 INFO L85 PathProgramCache]: Analyzing trace with hash 234823657, now seen corresponding path program 1 times [2023-11-29 02:31:27,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:27,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353930420] [2023-11-29 02:31:27,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:27,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:28,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:28,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353930420] [2023-11-29 02:31:28,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353930420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:28,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:28,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:28,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839941897] [2023-11-29 02:31:28,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:28,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:28,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:28,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:28,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:28,039 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 449 [2023-11-29 02:31:28,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 419 transitions, 1124 flow. Second operand has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states 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 02:31:28,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:28,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 449 [2023-11-29 02:31:28,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:28,324 INFO L124 PetriNetUnfolderBase]: 63/1488 cut-off events. [2023-11-29 02:31:28,324 INFO L125 PetriNetUnfolderBase]: For 114/130 co-relation queries the response was YES. [2023-11-29 02:31:28,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1917 conditions, 1488 events. 63/1488 cut-off events. For 114/130 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6947 event pairs, 14 based on Foata normal form. 4/1385 useless extension candidates. Maximal degree in co-relation 1574. Up to 90 conditions per place. [2023-11-29 02:31:28,333 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 16 selfloop transitions, 2 changer transitions 0/419 dead transitions. [2023-11-29 02:31:28,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 419 transitions, 1161 flow [2023-11-29 02:31:28,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2023-11-29 02:31:28,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9368968077208611 [2023-11-29 02:31:28,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1262 transitions. [2023-11-29 02:31:28,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1262 transitions. [2023-11-29 02:31:28,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:28,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1262 transitions. [2023-11-29 02:31:28,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states 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 02:31:28,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:28,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:28,341 INFO L175 Difference]: Start difference. First operand has 423 places, 419 transitions, 1124 flow. Second operand 3 states and 1262 transitions. [2023-11-29 02:31:28,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 419 transitions, 1161 flow [2023-11-29 02:31:28,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 419 transitions, 1149 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:31:28,348 INFO L231 Difference]: Finished difference. Result has 419 places, 418 transitions, 1114 flow [2023-11-29 02:31:28,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1114, PETRI_PLACES=419, PETRI_TRANSITIONS=418} [2023-11-29 02:31:28,349 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, 13 predicate places. [2023-11-29 02:31:28,349 INFO L495 AbstractCegarLoop]: Abstraction has has 419 places, 418 transitions, 1114 flow [2023-11-29 02:31:28,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states 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 02:31:28,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:28,350 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:28,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:31:28,350 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:28,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:28,350 INFO L85 PathProgramCache]: Analyzing trace with hash -922852797, now seen corresponding path program 1 times [2023-11-29 02:31:28,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:28,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592736473] [2023-11-29 02:31:28,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:28,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:28,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:28,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592736473] [2023-11-29 02:31:28,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592736473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:28,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:28,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:28,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893741360] [2023-11-29 02:31:28,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:28,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:28,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:28,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:28,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:28,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:28,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 418 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states 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 02:31:28,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:28,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:28,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:28,844 INFO L124 PetriNetUnfolderBase]: 84/2045 cut-off events. [2023-11-29 02:31:28,845 INFO L125 PetriNetUnfolderBase]: For 116/119 co-relation queries the response was YES. [2023-11-29 02:31:28,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2478 conditions, 2045 events. 84/2045 cut-off events. For 116/119 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 11673 event pairs, 15 based on Foata normal form. 4/1886 useless extension candidates. Maximal degree in co-relation 2135. Up to 84 conditions per place. [2023-11-29 02:31:28,859 INFO L140 encePairwiseOnDemand]: 437/449 looper letters, 10 selfloop transitions, 4 changer transitions 39/419 dead transitions. [2023-11-29 02:31:28,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 419 transitions, 1161 flow [2023-11-29 02:31:28,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1254 transitions. [2023-11-29 02:31:28,863 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9309576837416481 [2023-11-29 02:31:28,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1254 transitions. [2023-11-29 02:31:28,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1254 transitions. [2023-11-29 02:31:28,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:28,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1254 transitions. [2023-11-29 02:31:28,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 418.0) internal successors, (1254), 3 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states 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 02:31:28,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:28,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:28,867 INFO L175 Difference]: Start difference. First operand has 419 places, 418 transitions, 1114 flow. Second operand 3 states and 1254 transitions. [2023-11-29 02:31:28,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 419 transitions, 1161 flow [2023-11-29 02:31:28,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 419 transitions, 1157 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:28,875 INFO L231 Difference]: Finished difference. Result has 416 places, 379 transitions, 1051 flow [2023-11-29 02:31:28,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1100, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=416, PETRI_TRANSITIONS=379} [2023-11-29 02:31:28,876 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, 10 predicate places. [2023-11-29 02:31:28,876 INFO L495 AbstractCegarLoop]: Abstraction has has 416 places, 379 transitions, 1051 flow [2023-11-29 02:31:28,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states 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 02:31:28,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:28,877 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:28,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:31:28,877 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:28,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:28,877 INFO L85 PathProgramCache]: Analyzing trace with hash -591257475, now seen corresponding path program 1 times [2023-11-29 02:31:28,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:28,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771944861] [2023-11-29 02:31:28,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:28,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:28,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771944861] [2023-11-29 02:31:28,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771944861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:28,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:28,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:31:28,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54368232] [2023-11-29 02:31:28,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:28,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:31:28,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:28,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:31:28,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:31:29,050 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 449 [2023-11-29 02:31:29,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 379 transitions, 1051 flow. Second operand has 4 states, 4 states have (on average 420.5) internal successors, (1682), 4 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states 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 02:31:29,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:29,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 449 [2023-11-29 02:31:29,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:29,404 INFO L124 PetriNetUnfolderBase]: 64/1857 cut-off events. [2023-11-29 02:31:29,404 INFO L125 PetriNetUnfolderBase]: For 147/150 co-relation queries the response was YES. [2023-11-29 02:31:29,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2340 conditions, 1857 events. 64/1857 cut-off events. For 147/150 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 11147 event pairs, 25 based on Foata normal form. 0/1703 useless extension candidates. Maximal degree in co-relation 1996. Up to 76 conditions per place. [2023-11-29 02:31:29,419 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 15 selfloop transitions, 4 changer transitions 0/386 dead transitions. [2023-11-29 02:31:29,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 386 transitions, 1104 flow [2023-11-29 02:31:29,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:31:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:31:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2115 transitions. [2023-11-29 02:31:29,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2023-11-29 02:31:29,425 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2115 transitions. [2023-11-29 02:31:29,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2115 transitions. [2023-11-29 02:31:29,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:29,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2115 transitions. [2023-11-29 02:31:29,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 423.0) internal successors, (2115), 5 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states 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 02:31:29,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states 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 02:31:29,430 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states 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 02:31:29,430 INFO L175 Difference]: Start difference. First operand has 416 places, 379 transitions, 1051 flow. Second operand 5 states and 2115 transitions. [2023-11-29 02:31:29,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 386 transitions, 1104 flow [2023-11-29 02:31:29,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 386 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:29,438 INFO L231 Difference]: Finished difference. Result has 386 places, 381 transitions, 1068 flow [2023-11-29 02:31:29,438 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1068, PETRI_PLACES=386, PETRI_TRANSITIONS=381} [2023-11-29 02:31:29,439 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -20 predicate places. [2023-11-29 02:31:29,439 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 381 transitions, 1068 flow [2023-11-29 02:31:29,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 420.5) internal successors, (1682), 4 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states 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 02:31:29,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:29,440 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:29,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:31:29,440 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:29,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:29,440 INFO L85 PathProgramCache]: Analyzing trace with hash -508684865, now seen corresponding path program 1 times [2023-11-29 02:31:29,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:29,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686441874] [2023-11-29 02:31:29,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:29,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:30,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:30,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686441874] [2023-11-29 02:31:30,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686441874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:30,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:30,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:30,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646608841] [2023-11-29 02:31:30,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:30,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:30,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:30,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:30,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:30,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:30,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 381 transitions, 1068 flow. Second operand has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 states 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 02:31:30,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:30,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:30,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:30,826 INFO L124 PetriNetUnfolderBase]: 64/2014 cut-off events. [2023-11-29 02:31:30,826 INFO L125 PetriNetUnfolderBase]: For 151/154 co-relation queries the response was YES. [2023-11-29 02:31:30,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2581 conditions, 2014 events. 64/2014 cut-off events. For 151/154 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11166 event pairs, 13 based on Foata normal form. 0/1881 useless extension candidates. Maximal degree in co-relation 2374. Up to 80 conditions per place. [2023-11-29 02:31:30,839 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 19 selfloop transitions, 6 changer transitions 0/384 dead transitions. [2023-11-29 02:31:30,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 384 transitions, 1128 flow [2023-11-29 02:31:30,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2479 transitions. [2023-11-29 02:31:30,842 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9201930215293245 [2023-11-29 02:31:30,842 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2479 transitions. [2023-11-29 02:31:30,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2479 transitions. [2023-11-29 02:31:30,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:30,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2479 transitions. [2023-11-29 02:31:30,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 413.1666666666667) internal successors, (2479), 6 states have internal predecessors, (2479), 0 states have call successors, (0), 0 states 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 02:31:30,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:30,847 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:30,847 INFO L175 Difference]: Start difference. First operand has 386 places, 381 transitions, 1068 flow. Second operand 6 states and 2479 transitions. [2023-11-29 02:31:30,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 384 transitions, 1128 flow [2023-11-29 02:31:30,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 384 transitions, 1128 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:31:30,857 INFO L231 Difference]: Finished difference. Result has 390 places, 380 transitions, 1078 flow [2023-11-29 02:31:30,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1078, PETRI_PLACES=390, PETRI_TRANSITIONS=380} [2023-11-29 02:31:30,858 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -16 predicate places. [2023-11-29 02:31:30,859 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 380 transitions, 1078 flow [2023-11-29 02:31:30,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 states 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 02:31:30,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:30,859 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:30,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:31:30,860 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:30,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:30,860 INFO L85 PathProgramCache]: Analyzing trace with hash 372234336, now seen corresponding path program 1 times [2023-11-29 02:31:30,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:30,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102009867] [2023-11-29 02:31:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:30,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:30,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:30,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102009867] [2023-11-29 02:31:30,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102009867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:30,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:30,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:30,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418177484] [2023-11-29 02:31:30,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:30,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:30,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:30,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:30,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:31,009 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 449 [2023-11-29 02:31:31,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 380 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states 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 02:31:31,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:31,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 449 [2023-11-29 02:31:31,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:31,387 INFO L124 PetriNetUnfolderBase]: 85/1865 cut-off events. [2023-11-29 02:31:31,388 INFO L125 PetriNetUnfolderBase]: For 202/205 co-relation queries the response was YES. [2023-11-29 02:31:31,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2497 conditions, 1865 events. 85/1865 cut-off events. For 202/205 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 11885 event pairs, 46 based on Foata normal form. 0/1735 useless extension candidates. Maximal degree in co-relation 2194. Up to 135 conditions per place. [2023-11-29 02:31:31,399 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 12 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2023-11-29 02:31:31,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 380 transitions, 1107 flow [2023-11-29 02:31:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2023-11-29 02:31:31,401 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9339272457312546 [2023-11-29 02:31:31,401 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1258 transitions. [2023-11-29 02:31:31,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1258 transitions. [2023-11-29 02:31:31,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:31,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1258 transitions. [2023-11-29 02:31:31,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:31,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:31,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:31,404 INFO L175 Difference]: Start difference. First operand has 390 places, 380 transitions, 1078 flow. Second operand 3 states and 1258 transitions. [2023-11-29 02:31:31,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 380 transitions, 1107 flow [2023-11-29 02:31:31,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 380 transitions, 1095 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:31:31,411 INFO L231 Difference]: Finished difference. Result has 386 places, 379 transitions, 1068 flow [2023-11-29 02:31:31,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1068, PETRI_PLACES=386, PETRI_TRANSITIONS=379} [2023-11-29 02:31:31,411 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -20 predicate places. [2023-11-29 02:31:31,411 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 379 transitions, 1068 flow [2023-11-29 02:31:31,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states 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 02:31:31,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:31,412 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:31,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:31:31,412 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:31,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:31,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1339863697, now seen corresponding path program 1 times [2023-11-29 02:31:31,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:31,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401134016] [2023-11-29 02:31:31,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:31,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:32,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:32,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401134016] [2023-11-29 02:31:32,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401134016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:32,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:32,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:32,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893850033] [2023-11-29 02:31:32,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:32,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:32,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:32,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:32,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:32,429 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:32,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 379 transitions, 1068 flow. Second operand has 6 states, 6 states have (on average 411.8333333333333) internal successors, (2471), 6 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states 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 02:31:32,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:32,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:32,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:32,750 INFO L124 PetriNetUnfolderBase]: 36/1628 cut-off events. [2023-11-29 02:31:32,750 INFO L125 PetriNetUnfolderBase]: For 111/112 co-relation queries the response was YES. [2023-11-29 02:31:32,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2129 conditions, 1628 events. 36/1628 cut-off events. For 111/112 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7473 event pairs, 7 based on Foata normal form. 0/1547 useless extension candidates. Maximal degree in co-relation 2017. Up to 70 conditions per place. [2023-11-29 02:31:32,763 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 19 selfloop transitions, 6 changer transitions 0/382 dead transitions. [2023-11-29 02:31:32,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 382 transitions, 1128 flow [2023-11-29 02:31:32,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2479 transitions. [2023-11-29 02:31:32,765 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9201930215293245 [2023-11-29 02:31:32,765 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2479 transitions. [2023-11-29 02:31:32,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2479 transitions. [2023-11-29 02:31:32,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:32,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2479 transitions. [2023-11-29 02:31:32,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 413.1666666666667) internal successors, (2479), 6 states have internal predecessors, (2479), 0 states have call successors, (0), 0 states 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 02:31:32,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:32,770 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:32,770 INFO L175 Difference]: Start difference. First operand has 386 places, 379 transitions, 1068 flow. Second operand 6 states and 2479 transitions. [2023-11-29 02:31:32,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 382 transitions, 1128 flow [2023-11-29 02:31:32,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 382 transitions, 1124 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:32,778 INFO L231 Difference]: Finished difference. Result has 388 places, 378 transitions, 1074 flow [2023-11-29 02:31:32,778 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=388, PETRI_TRANSITIONS=378} [2023-11-29 02:31:32,778 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -18 predicate places. [2023-11-29 02:31:32,779 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 378 transitions, 1074 flow [2023-11-29 02:31:32,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 411.8333333333333) internal successors, (2471), 6 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states 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 02:31:32,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:32,779 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:32,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:31:32,780 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:32,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:32,780 INFO L85 PathProgramCache]: Analyzing trace with hash 206590694, now seen corresponding path program 1 times [2023-11-29 02:31:32,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:32,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549400018] [2023-11-29 02:31:32,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:32,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:33,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:33,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549400018] [2023-11-29 02:31:33,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549400018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:33,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:33,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:33,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488035736] [2023-11-29 02:31:33,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:33,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:33,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:33,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:33,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:33,758 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:33,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 378 transitions, 1074 flow. Second operand has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 states 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 02:31:33,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:33,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:33,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:34,127 INFO L124 PetriNetUnfolderBase]: 64/1941 cut-off events. [2023-11-29 02:31:34,127 INFO L125 PetriNetUnfolderBase]: For 163/166 co-relation queries the response was YES. [2023-11-29 02:31:34,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2560 conditions, 1941 events. 64/1941 cut-off events. For 163/166 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 10934 event pairs, 13 based on Foata normal form. 0/1850 useless extension candidates. Maximal degree in co-relation 2364. Up to 80 conditions per place. [2023-11-29 02:31:34,139 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 19 selfloop transitions, 6 changer transitions 0/381 dead transitions. [2023-11-29 02:31:34,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 381 transitions, 1134 flow [2023-11-29 02:31:34,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:34,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2479 transitions. [2023-11-29 02:31:34,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9201930215293245 [2023-11-29 02:31:34,143 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2479 transitions. [2023-11-29 02:31:34,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2479 transitions. [2023-11-29 02:31:34,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:34,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2479 transitions. [2023-11-29 02:31:34,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 413.1666666666667) internal successors, (2479), 6 states have internal predecessors, (2479), 0 states have call successors, (0), 0 states 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 02:31:34,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:34,148 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:34,148 INFO L175 Difference]: Start difference. First operand has 388 places, 378 transitions, 1074 flow. Second operand 6 states and 2479 transitions. [2023-11-29 02:31:34,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 381 transitions, 1134 flow [2023-11-29 02:31:34,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 381 transitions, 1122 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:31:34,155 INFO L231 Difference]: Finished difference. Result has 387 places, 377 transitions, 1072 flow [2023-11-29 02:31:34,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1072, PETRI_PLACES=387, PETRI_TRANSITIONS=377} [2023-11-29 02:31:34,156 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -19 predicate places. [2023-11-29 02:31:34,156 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 377 transitions, 1072 flow [2023-11-29 02:31:34,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 states 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 02:31:34,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:34,157 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:34,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:31:34,157 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:34,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:34,157 INFO L85 PathProgramCache]: Analyzing trace with hash 855837803, now seen corresponding path program 1 times [2023-11-29 02:31:34,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:34,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888043963] [2023-11-29 02:31:34,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:34,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:34,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888043963] [2023-11-29 02:31:34,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888043963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:34,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:34,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:34,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144721650] [2023-11-29 02:31:34,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:34,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:34,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:34,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:34,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:35,343 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 449 [2023-11-29 02:31:35,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 377 transitions, 1072 flow. Second operand has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 states 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 02:31:35,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:35,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 449 [2023-11-29 02:31:35,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:35,687 INFO L124 PetriNetUnfolderBase]: 21/1491 cut-off events. [2023-11-29 02:31:35,687 INFO L125 PetriNetUnfolderBase]: For 90/93 co-relation queries the response was YES. [2023-11-29 02:31:35,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1962 conditions, 1491 events. 21/1491 cut-off events. For 90/93 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6321 event pairs, 5 based on Foata normal form. 0/1437 useless extension candidates. Maximal degree in co-relation 1856. Up to 55 conditions per place. [2023-11-29 02:31:35,698 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 14 selfloop transitions, 4 changer transitions 0/376 dead transitions. [2023-11-29 02:31:35,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 376 transitions, 1106 flow [2023-11-29 02:31:35,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2473 transitions. [2023-11-29 02:31:35,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9179658500371195 [2023-11-29 02:31:35,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2473 transitions. [2023-11-29 02:31:35,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2473 transitions. [2023-11-29 02:31:35,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:35,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2473 transitions. [2023-11-29 02:31:35,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 412.1666666666667) internal successors, (2473), 6 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states 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 02:31:35,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:35,705 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states 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 02:31:35,705 INFO L175 Difference]: Start difference. First operand has 387 places, 377 transitions, 1072 flow. Second operand 6 states and 2473 transitions. [2023-11-29 02:31:35,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 376 transitions, 1106 flow [2023-11-29 02:31:35,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 376 transitions, 1094 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:31:35,712 INFO L231 Difference]: Finished difference. Result has 386 places, 376 transitions, 1066 flow [2023-11-29 02:31:35,713 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1058, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1066, PETRI_PLACES=386, PETRI_TRANSITIONS=376} [2023-11-29 02:31:35,713 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -20 predicate places. [2023-11-29 02:31:35,713 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 376 transitions, 1066 flow [2023-11-29 02:31:35,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 states 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 02:31:35,714 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:35,714 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:35,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:31:35,714 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:35,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:35,714 INFO L85 PathProgramCache]: Analyzing trace with hash -84598241, now seen corresponding path program 1 times [2023-11-29 02:31:35,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:35,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609598192] [2023-11-29 02:31:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:35,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:35,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:35,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609598192] [2023-11-29 02:31:35,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609598192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:35,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:35,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:35,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742014960] [2023-11-29 02:31:35,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:35,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:35,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:35,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:35,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:35,854 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 449 [2023-11-29 02:31:35,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 376 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states 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 02:31:35,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:35,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 449 [2023-11-29 02:31:35,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:36,156 INFO L124 PetriNetUnfolderBase]: 42/1632 cut-off events. [2023-11-29 02:31:36,156 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2023-11-29 02:31:36,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2143 conditions, 1632 events. 42/1632 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7581 event pairs, 17 based on Foata normal form. 0/1582 useless extension candidates. Maximal degree in co-relation 2037. Up to 79 conditions per place. [2023-11-29 02:31:36,169 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 11 selfloop transitions, 3 changer transitions 0/376 dead transitions. [2023-11-29 02:31:36,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 376 transitions, 1095 flow [2023-11-29 02:31:36,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:36,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2023-11-29 02:31:36,170 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9339272457312546 [2023-11-29 02:31:36,170 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1258 transitions. [2023-11-29 02:31:36,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1258 transitions. [2023-11-29 02:31:36,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:36,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1258 transitions. [2023-11-29 02:31:36,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:36,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:36,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:36,173 INFO L175 Difference]: Start difference. First operand has 386 places, 376 transitions, 1066 flow. Second operand 3 states and 1258 transitions. [2023-11-29 02:31:36,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 376 transitions, 1095 flow [2023-11-29 02:31:36,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 376 transitions, 1088 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:31:36,180 INFO L231 Difference]: Finished difference. Result has 383 places, 375 transitions, 1063 flow [2023-11-29 02:31:36,180 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=383, PETRI_TRANSITIONS=375} [2023-11-29 02:31:36,180 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -23 predicate places. [2023-11-29 02:31:36,180 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 375 transitions, 1063 flow [2023-11-29 02:31:36,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states 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 02:31:36,181 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:36,181 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:36,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:31:36,181 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-29 02:31:36,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:36,181 INFO L85 PathProgramCache]: Analyzing trace with hash -769664554, now seen corresponding path program 1 times [2023-11-29 02:31:36,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:36,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426881100] [2023-11-29 02:31:36,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-29 02:31:36,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:36,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426881100] [2023-11-29 02:31:36,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426881100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:36,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:36,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:36,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455125246] [2023-11-29 02:31:36,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:36,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:36,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:36,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:36,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:36,302 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 449 [2023-11-29 02:31:36,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 375 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states 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 02:31:36,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:36,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 449 [2023-11-29 02:31:36,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:36,638 INFO L124 PetriNetUnfolderBase]: 76/1810 cut-off events. [2023-11-29 02:31:36,638 INFO L125 PetriNetUnfolderBase]: For 171/174 co-relation queries the response was YES. [2023-11-29 02:31:36,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2402 conditions, 1810 events. 76/1810 cut-off events. For 171/174 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 11061 event pairs, 43 based on Foata normal form. 0/1737 useless extension candidates. Maximal degree in co-relation 2171. Up to 127 conditions per place. [2023-11-29 02:31:36,648 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 0 selfloop transitions, 0 changer transitions 375/375 dead transitions. [2023-11-29 02:31:36,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 375 transitions, 1092 flow [2023-11-29 02:31:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2023-11-29 02:31:36,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9339272457312546 [2023-11-29 02:31:36,650 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1258 transitions. [2023-11-29 02:31:36,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1258 transitions. [2023-11-29 02:31:36,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:36,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1258 transitions. [2023-11-29 02:31:36,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states 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 02:31:36,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:36,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states 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 02:31:36,653 INFO L175 Difference]: Start difference. First operand has 383 places, 375 transitions, 1063 flow. Second operand 3 states and 1258 transitions. [2023-11-29 02:31:36,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 375 transitions, 1092 flow [2023-11-29 02:31:36,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 375 transitions, 1086 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:36,680 INFO L231 Difference]: Finished difference. Result has 382 places, 0 transitions, 0 flow [2023-11-29 02:31:36,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=382, PETRI_TRANSITIONS=0} [2023-11-29 02:31:36,681 INFO L281 CegarLoopForPetriNet]: 406 programPoint places, -24 predicate places. [2023-11-29 02:31:36,681 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 0 transitions, 0 flow [2023-11-29 02:31:36,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states 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 02:31:36,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-11-29 02:31:36,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-11-29 02:31:36,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-11-29 02:31:36,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-11-29 02:31:36,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-11-29 02:31:36,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-11-29 02:31:36,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-11-29 02:31:36,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-11-29 02:31:36,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-11-29 02:31:36,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-11-29 02:31:36,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-11-29 02:31:36,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-11-29 02:31:36,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-11-29 02:31:36,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-11-29 02:31:36,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-11-29 02:31:36,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-11-29 02:31:36,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-11-29 02:31:36,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-11-29 02:31:36,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-11-29 02:31:36,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-11-29 02:31:36,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-11-29 02:31:36,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-11-29 02:31:36,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-11-29 02:31:36,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-11-29 02:31:36,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-11-29 02:31:36,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-11-29 02:31:36,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-11-29 02:31:36,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-11-29 02:31:36,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-11-29 02:31:36,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-11-29 02:31:36,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-11-29 02:31:36,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-11-29 02:31:36,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-11-29 02:31:36,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-11-29 02:31:36,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-11-29 02:31:36,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2023-11-29 02:31:36,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-11-29 02:31:36,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-11-29 02:31:36,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-11-29 02:31:36,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-11-29 02:31:36,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-11-29 02:31:36,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-11-29 02:31:36,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-11-29 02:31:36,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-11-29 02:31:36,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-11-29 02:31:36,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-11-29 02:31:36,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-11-29 02:31:36,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-11-29 02:31:36,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-11-29 02:31:36,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-11-29 02:31:36,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-11-29 02:31:36,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-11-29 02:31:36,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-11-29 02:31:36,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-11-29 02:31:36,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-11-29 02:31:36,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-11-29 02:31:36,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-11-29 02:31:36,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-11-29 02:31:36,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-11-29 02:31:36,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-11-29 02:31:36,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 02:31:36,694 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 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 02:31:36,700 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:31:36,700 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:31:36,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:31:36 BasicIcfg [2023-11-29 02:31:36,705 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:31:36,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:31:36,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:31:36,706 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:31:36,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:31:13" (3/4) ... [2023-11-29 02:31:36,708 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:31:36,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:31:36,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:31:36,720 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-29 02:31:36,720 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:31:36,721 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:31:36,721 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:31:36,831 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:31:36,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:31:36,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:31:36,833 INFO L158 Benchmark]: Toolchain (without parser) took 24723.06ms. Allocated memory was 136.3MB in the beginning and 813.7MB in the end (delta: 677.4MB). Free memory was 82.8MB in the beginning and 729.3MB in the end (delta: -646.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-29 02:31:36,833 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:31:36,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.61ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 69.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:31:36,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.21ms. Allocated memory is still 136.3MB. Free memory was 69.8MB in the beginning and 66.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:31:36,834 INFO L158 Benchmark]: Boogie Preprocessor took 51.69ms. Allocated memory is still 136.3MB. Free memory was 66.6MB in the beginning and 63.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:31:36,835 INFO L158 Benchmark]: RCFGBuilder took 689.07ms. Allocated memory is still 136.3MB. Free memory was 63.9MB in the beginning and 78.2MB in the end (delta: -14.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-29 02:31:36,835 INFO L158 Benchmark]: TraceAbstraction took 23545.06ms. Allocated memory was 136.3MB in the beginning and 813.7MB in the end (delta: 677.4MB). Free memory was 77.8MB in the beginning and 735.6MB in the end (delta: -657.8MB). Peak memory consumption was 408.0MB. Max. memory is 16.1GB. [2023-11-29 02:31:36,836 INFO L158 Benchmark]: Witness Printer took 126.83ms. Allocated memory is still 813.7MB. Free memory was 735.6MB in the beginning and 729.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:31:36,838 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 98.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.61ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 69.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.21ms. Allocated memory is still 136.3MB. Free memory was 69.8MB in the beginning and 66.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.69ms. Allocated memory is still 136.3MB. Free memory was 66.6MB in the beginning and 63.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.07ms. Allocated memory is still 136.3MB. Free memory was 63.9MB in the beginning and 78.2MB in the end (delta: -14.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 23545.06ms. Allocated memory was 136.3MB in the beginning and 813.7MB in the end (delta: 677.4MB). Free memory was 77.8MB in the beginning and 735.6MB in the end (delta: -657.8MB). Peak memory consumption was 408.0MB. Max. memory is 16.1GB. * Witness Printer took 126.83ms. Allocated memory is still 813.7MB. Free memory was 735.6MB in the beginning and 729.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 624 locations, 60 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: 23.3s, OverallIterations: 28, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2912 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1827 mSDsluCounter, 1123 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 951 mSDsCounter, 654 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5494 IncrementalHoareTripleChecker+Invalid, 6148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 654 mSolverCounterUnsat, 172 mSDtfsCounter, 5494 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1047 GetRequests, 922 SyntacticMatches, 5 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1166occurred in iteration=17, InterpolantAutomatonStates: 134, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 6210 NumberOfCodeBlocks, 6120 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 6534 ConstructedInterpolants, 0 QuantifiedInterpolants, 9126 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1129 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 33 InterpolantComputations, 26 PerfectInterpolantSequences, 4277/4472 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:31:36,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304be1bd-d0b0-44dc-b180-a6f3b1758e15/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