./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu --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 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:32,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:32,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:40:32,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:32,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:32,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:32,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:32,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:32,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:32,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:32,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:32,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:32,531 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:32,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:32,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:32,534 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:32,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:32,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:32,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:32,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:32,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:32,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:32,537 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:40:32,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:40:32,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:32,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:32,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:32,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:32,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:32,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:32,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:32,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:32,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:32,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:32,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:32,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:40:32,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:32,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:32,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:32,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:32,550 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:32,551 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_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 [2023-11-19 07:40:32,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:32,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:32,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:32,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:32,937 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:32,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2023-11-19 07:40:36,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:36,364 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:36,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2023-11-19 07:40:36,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/data/932206dae/fbe05a30754e48bf81f19de9b16ce935/FLAG12f6f4bfe [2023-11-19 07:40:36,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/data/932206dae/fbe05a30754e48bf81f19de9b16ce935 [2023-11-19 07:40:36,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:36,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:36,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:36,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:36,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:36,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bccf05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36, skipping insertion in model container [2023-11-19 07:40:36,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:36,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:36,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:36,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:36,776 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:36,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36 WrapperNode [2023-11-19 07:40:36,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:36,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:36,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:36,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:36,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,867 INFO L138 Inliner]: procedures = 24, calls = 42, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 421 [2023-11-19 07:40:36,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:36,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:36,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:36,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:36,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:36,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:36,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:36,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:36,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (1/1) ... [2023-11-19 07:40:36,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:36,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:37,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:37,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:40:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:40:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:40:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:40:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:40:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:40:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:40:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:37,059 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:40:37,291 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:37,294 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:38,235 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:38,258 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:38,259 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:40:38,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:38 BoogieIcfgContainer [2023-11-19 07:40:38,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:38,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:38,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:38,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:38,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:36" (1/3) ... [2023-11-19 07:40:38,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5c4bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:38, skipping insertion in model container [2023-11-19 07:40:38,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:36" (2/3) ... [2023-11-19 07:40:38,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5c4bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:38, skipping insertion in model container [2023-11-19 07:40:38,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:38" (3/3) ... [2023-11-19 07:40:38,277 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2023-11-19 07:40:38,287 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:40:38,299 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:38,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2023-11-19 07:40:38,300 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:40:38,462 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:40:38,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 531 places, 553 transitions, 1120 flow [2023-11-19 07:40:38,831 INFO L124 PetriNetUnfolderBase]: 29/551 cut-off events. [2023-11-19 07:40:38,831 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:40:38,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 551 events. 29/551 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1504 event pairs, 0 based on Foata normal form. 0/451 useless extension candidates. Maximal degree in co-relation 414. Up to 2 conditions per place. [2023-11-19 07:40:38,849 INFO L82 GeneralOperation]: Start removeDead. Operand has 531 places, 553 transitions, 1120 flow [2023-11-19 07:40:38,871 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 509 places, 530 transitions, 1072 flow [2023-11-19 07:40:38,875 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:40:38,893 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 509 places, 530 transitions, 1072 flow [2023-11-19 07:40:38,897 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 509 places, 530 transitions, 1072 flow [2023-11-19 07:40:38,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 509 places, 530 transitions, 1072 flow [2023-11-19 07:40:39,029 INFO L124 PetriNetUnfolderBase]: 28/530 cut-off events. [2023-11-19 07:40:39,031 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:40:39,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 530 events. 28/530 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1444 event pairs, 0 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 414. Up to 2 conditions per place. [2023-11-19 07:40:39,074 INFO L119 LiptonReduction]: Number of co-enabled transitions 51290 [2023-11-19 07:40:51,244 INFO L134 LiptonReduction]: Checked pairs total: 207811 [2023-11-19 07:40:51,244 INFO L136 LiptonReduction]: Total number of compositions: 532 [2023-11-19 07:40:51,259 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:51,266 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;@5b4b409d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:51,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2023-11-19 07:40:51,268 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:40:51,268 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:40:51,268 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:40:51,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:51,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:40:51,269 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:40:51,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:51,274 INFO L85 PathProgramCache]: Analyzing trace with hash 2156, now seen corresponding path program 1 times [2023-11-19 07:40:51,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:51,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786869058] [2023-11-19 07:40:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:51,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:51,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:51,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786869058] [2023-11-19 07:40:51,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786869058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:51,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:51,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:40:51,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125041493] [2023-11-19 07:40:51,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:51,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:40:51,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:51,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:40:51,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:40:51,429 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 533 out of 1085 [2023-11-19 07:40:51,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 191 transitions, 394 flow. Second operand has 2 states, 2 states have (on average 533.5) internal successors, (1067), 2 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:51,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:51,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 533 of 1085 [2023-11-19 07:40:51,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:52,110 INFO L124 PetriNetUnfolderBase]: 1732/3955 cut-off events. [2023-11-19 07:40:52,110 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2023-11-19 07:40:52,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6783 conditions, 3955 events. 1732/3955 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 28702 event pairs, 1347 based on Foata normal form. 333/3825 useless extension candidates. Maximal degree in co-relation 6071. Up to 2754 conditions per place. [2023-11-19 07:40:52,145 INFO L140 encePairwiseOnDemand]: 1041/1085 looper letters, 77 selfloop transitions, 0 changer transitions 1/147 dead transitions. [2023-11-19 07:40:52,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 147 transitions, 462 flow [2023-11-19 07:40:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:40:52,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:40:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1188 transitions. [2023-11-19 07:40:52,165 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5474654377880185 [2023-11-19 07:40:52,166 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1188 transitions. [2023-11-19 07:40:52,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1188 transitions. [2023-11-19 07:40:52,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:52,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1188 transitions. [2023-11-19 07:40:52,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 594.0) internal successors, (1188), 2 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:52,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1085.0) internal successors, (3255), 3 states have internal predecessors, (3255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:52,193 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1085.0) internal successors, (3255), 3 states have internal predecessors, (3255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:52,194 INFO L175 Difference]: Start difference. First operand has 182 places, 191 transitions, 394 flow. Second operand 2 states and 1188 transitions. [2023-11-19 07:40:52,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 147 transitions, 462 flow [2023-11-19 07:40:52,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 147 transitions, 454 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:40:52,205 INFO L231 Difference]: Finished difference. Result has 139 places, 146 transitions, 295 flow [2023-11-19 07:40:52,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=295, PETRI_PLACES=139, PETRI_TRANSITIONS=146} [2023-11-19 07:40:52,211 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -43 predicate places. [2023-11-19 07:40:52,211 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 146 transitions, 295 flow [2023-11-19 07:40:52,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 533.5) internal successors, (1067), 2 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:52,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:52,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:40:52,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:40:52,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:40:52,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:52,214 INFO L85 PathProgramCache]: Analyzing trace with hash 225751570, now seen corresponding path program 1 times [2023-11-19 07:40:52,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:52,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485392117] [2023-11-19 07:40:52,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:52,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:52,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:52,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485392117] [2023-11-19 07:40:52,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485392117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:52,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:52,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:52,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912407889] [2023-11-19 07:40:52,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:52,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:40:52,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:52,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:52,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:52,353 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 517 out of 1085 [2023-11-19 07:40:52,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 146 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 519.0) internal successors, (1557), 3 states have internal predecessors, (1557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:52,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:52,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 517 of 1085 [2023-11-19 07:40:52,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:53,004 INFO L124 PetriNetUnfolderBase]: 2047/4412 cut-off events. [2023-11-19 07:40:53,004 INFO L125 PetriNetUnfolderBase]: For 54/103 co-relation queries the response was YES. [2023-11-19 07:40:53,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7692 conditions, 4412 events. 2047/4412 cut-off events. For 54/103 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 29755 event pairs, 839 based on Foata normal form. 1/3927 useless extension candidates. Maximal degree in co-relation 7689. Up to 3243 conditions per place. [2023-11-19 07:40:53,038 INFO L140 encePairwiseOnDemand]: 1078/1085 looper letters, 87 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2023-11-19 07:40:53,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 148 transitions, 478 flow [2023-11-19 07:40:53,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:40:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1645 transitions. [2023-11-19 07:40:53,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5053763440860215 [2023-11-19 07:40:53,047 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1645 transitions. [2023-11-19 07:40:53,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1645 transitions. [2023-11-19 07:40:53,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:53,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1645 transitions. [2023-11-19 07:40:53,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:53,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:53,068 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:53,069 INFO L175 Difference]: Start difference. First operand has 139 places, 146 transitions, 295 flow. Second operand 3 states and 1645 transitions. [2023-11-19 07:40:53,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 148 transitions, 478 flow [2023-11-19 07:40:53,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 148 transitions, 478 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:40:53,074 INFO L231 Difference]: Finished difference. Result has 136 places, 143 transitions, 299 flow [2023-11-19 07:40:53,074 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=299, PETRI_PLACES=136, PETRI_TRANSITIONS=143} [2023-11-19 07:40:53,076 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -46 predicate places. [2023-11-19 07:40:53,076 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 143 transitions, 299 flow [2023-11-19 07:40:53,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 519.0) internal successors, (1557), 3 states have internal predecessors, (1557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:53,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:53,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:53,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:40:53,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:40:53,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2095168542, now seen corresponding path program 1 times [2023-11-19 07:40:53,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:53,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573531955] [2023-11-19 07:40:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:53,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:53,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:53,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573531955] [2023-11-19 07:40:53,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573531955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:53,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:53,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:53,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538710306] [2023-11-19 07:40:53,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:53,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:40:53,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:53,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:53,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:53,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 1085 [2023-11-19 07:40:53,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 143 transitions, 299 flow. Second operand has 3 states, 3 states have (on average 533.0) internal successors, (1599), 3 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:53,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:53,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 1085 [2023-11-19 07:40:53,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:54,467 INFO L124 PetriNetUnfolderBase]: 3275/7633 cut-off events. [2023-11-19 07:40:54,467 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2023-11-19 07:40:54,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13089 conditions, 7633 events. 3275/7633 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 61261 event pairs, 1402 based on Foata normal form. 0/6905 useless extension candidates. Maximal degree in co-relation 13085. Up to 2719 conditions per place. [2023-11-19 07:40:54,542 INFO L140 encePairwiseOnDemand]: 1082/1085 looper letters, 146 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2023-11-19 07:40:54,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 214 transitions, 739 flow [2023-11-19 07:40:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:40:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1742 transitions. [2023-11-19 07:40:54,550 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5351766513056836 [2023-11-19 07:40:54,550 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1742 transitions. [2023-11-19 07:40:54,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1742 transitions. [2023-11-19 07:40:54,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:54,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1742 transitions. [2023-11-19 07:40:54,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 580.6666666666666) internal successors, (1742), 3 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:54,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:54,574 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:54,574 INFO L175 Difference]: Start difference. First operand has 136 places, 143 transitions, 299 flow. Second operand 3 states and 1742 transitions. [2023-11-19 07:40:54,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 214 transitions, 739 flow [2023-11-19 07:40:54,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 214 transitions, 739 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:40:54,584 INFO L231 Difference]: Finished difference. Result has 139 places, 144 transitions, 311 flow [2023-11-19 07:40:54,584 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=139, PETRI_TRANSITIONS=144} [2023-11-19 07:40:54,586 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -43 predicate places. [2023-11-19 07:40:54,586 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 144 transitions, 311 flow [2023-11-19 07:40:54,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 533.0) internal successors, (1599), 3 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:54,588 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:54,588 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:54,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:40:54,594 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:40:54,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:54,595 INFO L85 PathProgramCache]: Analyzing trace with hash -2095231513, now seen corresponding path program 1 times [2023-11-19 07:40:54,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:54,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382343355] [2023-11-19 07:40:54,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:54,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:54,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:54,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382343355] [2023-11-19 07:40:54,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382343355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:54,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:54,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:54,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662816386] [2023-11-19 07:40:54,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:54,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:40:54,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:54,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:54,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:54,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 1085 [2023-11-19 07:40:54,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 144 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 504.3333333333333) internal successors, (1513), 3 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:54,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:54,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 1085 [2023-11-19 07:40:54,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:56,002 INFO L124 PetriNetUnfolderBase]: 3353/7649 cut-off events. [2023-11-19 07:40:56,003 INFO L125 PetriNetUnfolderBase]: For 398/398 co-relation queries the response was YES. [2023-11-19 07:40:56,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13594 conditions, 7649 events. 3353/7649 cut-off events. For 398/398 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 60361 event pairs, 2764 based on Foata normal form. 0/6982 useless extension candidates. Maximal degree in co-relation 13588. Up to 5461 conditions per place. [2023-11-19 07:40:56,078 INFO L140 encePairwiseOnDemand]: 1076/1085 looper letters, 77 selfloop transitions, 1 changer transitions 0/136 dead transitions. [2023-11-19 07:40:56,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 136 transitions, 451 flow [2023-11-19 07:40:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:40:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1591 transitions. [2023-11-19 07:40:56,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48878648233486943 [2023-11-19 07:40:56,086 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1591 transitions. [2023-11-19 07:40:56,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1591 transitions. [2023-11-19 07:40:56,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:56,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1591 transitions. [2023-11-19 07:40:56,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:56,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:56,108 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:56,108 INFO L175 Difference]: Start difference. First operand has 139 places, 144 transitions, 311 flow. Second operand 3 states and 1591 transitions. [2023-11-19 07:40:56,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 136 transitions, 451 flow [2023-11-19 07:40:56,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 136 transitions, 449 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:40:56,114 INFO L231 Difference]: Finished difference. Result has 132 places, 136 transitions, 295 flow [2023-11-19 07:40:56,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=132, PETRI_TRANSITIONS=136} [2023-11-19 07:40:56,117 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -50 predicate places. [2023-11-19 07:40:56,117 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 136 transitions, 295 flow [2023-11-19 07:40:56,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 504.3333333333333) internal successors, (1513), 3 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:56,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:56,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:56,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:40:56,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:40:56,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash 822871195, now seen corresponding path program 1 times [2023-11-19 07:40:56,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:56,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835169927] [2023-11-19 07:40:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:56,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:56,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835169927] [2023-11-19 07:40:56,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835169927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:56,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:56,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:56,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144739215] [2023-11-19 07:40:56,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:56,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:40:56,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:56,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:56,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:56,283 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 1085 [2023-11-19 07:40:56,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 136 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:56,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:56,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 1085 [2023-11-19 07:40:56,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:57,474 INFO L124 PetriNetUnfolderBase]: 3721/7948 cut-off events. [2023-11-19 07:40:57,475 INFO L125 PetriNetUnfolderBase]: For 405/405 co-relation queries the response was YES. [2023-11-19 07:40:57,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14378 conditions, 7948 events. 3721/7948 cut-off events. For 405/405 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 60159 event pairs, 1043 based on Foata normal form. 0/7218 useless extension candidates. Maximal degree in co-relation 14372. Up to 5335 conditions per place. [2023-11-19 07:40:57,539 INFO L140 encePairwiseOnDemand]: 1072/1085 looper letters, 108 selfloop transitions, 5 changer transitions 0/163 dead transitions. [2023-11-19 07:40:57,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 163 transitions, 577 flow [2023-11-19 07:40:57,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:40:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1644 transitions. [2023-11-19 07:40:57,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5050691244239631 [2023-11-19 07:40:57,549 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1644 transitions. [2023-11-19 07:40:57,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1644 transitions. [2023-11-19 07:40:57,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:57,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1644 transitions. [2023-11-19 07:40:57,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 548.0) internal successors, (1644), 3 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:57,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:57,574 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:57,574 INFO L175 Difference]: Start difference. First operand has 132 places, 136 transitions, 295 flow. Second operand 3 states and 1644 transitions. [2023-11-19 07:40:57,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 163 transitions, 577 flow [2023-11-19 07:40:57,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 163 transitions, 576 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:40:57,580 INFO L231 Difference]: Finished difference. Result has 126 places, 133 transitions, 313 flow [2023-11-19 07:40:57,581 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=126, PETRI_TRANSITIONS=133} [2023-11-19 07:40:57,584 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -56 predicate places. [2023-11-19 07:40:57,584 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 133 transitions, 313 flow [2023-11-19 07:40:57,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:57,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:57,585 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:57,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:40:57,586 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:40:57,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:57,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1436158705, now seen corresponding path program 1 times [2023-11-19 07:40:57,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:57,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802552284] [2023-11-19 07:40:57,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:57,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:57,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:57,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802552284] [2023-11-19 07:40:57,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802552284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:57,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:57,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:57,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964674848] [2023-11-19 07:40:57,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:57,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:40:57,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:57,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:57,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:57,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 1085 [2023-11-19 07:40:57,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 133 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:57,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:40:57,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 1085 [2023-11-19 07:40:57,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:40:59,322 INFO L124 PetriNetUnfolderBase]: 3799/8047 cut-off events. [2023-11-19 07:40:59,323 INFO L125 PetriNetUnfolderBase]: For 624/624 co-relation queries the response was YES. [2023-11-19 07:40:59,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15192 conditions, 8047 events. 3799/8047 cut-off events. For 624/624 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 59857 event pairs, 3018 based on Foata normal form. 0/7280 useless extension candidates. Maximal degree in co-relation 15186. Up to 6178 conditions per place. [2023-11-19 07:40:59,383 INFO L140 encePairwiseOnDemand]: 1082/1085 looper letters, 82 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2023-11-19 07:40:59,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 134 transitions, 483 flow [2023-11-19 07:40:59,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:40:59,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1654 transitions. [2023-11-19 07:40:59,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5081413210445469 [2023-11-19 07:40:59,390 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1654 transitions. [2023-11-19 07:40:59,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1654 transitions. [2023-11-19 07:40:59,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:59,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1654 transitions. [2023-11-19 07:40:59,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:59,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:59,407 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1085.0) internal successors, (4340), 4 states have internal predecessors, (4340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:59,407 INFO L175 Difference]: Start difference. First operand has 126 places, 133 transitions, 313 flow. Second operand 3 states and 1654 transitions. [2023-11-19 07:40:59,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 134 transitions, 483 flow [2023-11-19 07:40:59,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 134 transitions, 483 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:40:59,412 INFO L231 Difference]: Finished difference. Result has 129 places, 134 transitions, 325 flow [2023-11-19 07:40:59,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=325, PETRI_PLACES=129, PETRI_TRANSITIONS=134} [2023-11-19 07:40:59,414 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -53 predicate places. [2023-11-19 07:40:59,414 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 134 transitions, 325 flow [2023-11-19 07:40:59,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:59,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:40:59,415 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:59,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:40:59,416 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:40:59,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1334143700, now seen corresponding path program 1 times [2023-11-19 07:40:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96954971] [2023-11-19 07:40:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:40:59,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:59,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96954971] [2023-11-19 07:40:59,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96954971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:59,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:59,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:40:59,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097036127] [2023-11-19 07:40:59,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:59,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:40:59,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:59,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:40:59,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:41:00,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 1085 [2023-11-19 07:41:00,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 134 transitions, 325 flow. Second operand has 6 states, 6 states have (on average 520.8333333333334) internal successors, (3125), 6 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:00,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:00,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 1085 [2023-11-19 07:41:00,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:03,794 INFO L124 PetriNetUnfolderBase]: 12865/21117 cut-off events. [2023-11-19 07:41:03,794 INFO L125 PetriNetUnfolderBase]: For 2139/2139 co-relation queries the response was YES. [2023-11-19 07:41:03,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43262 conditions, 21117 events. 12865/21117 cut-off events. For 2139/2139 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 151282 event pairs, 878 based on Foata normal form. 0/19050 useless extension candidates. Maximal degree in co-relation 43254. Up to 7180 conditions per place. [2023-11-19 07:41:03,971 INFO L140 encePairwiseOnDemand]: 1080/1085 looper letters, 380 selfloop transitions, 4 changer transitions 0/429 dead transitions. [2023-11-19 07:41:03,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 429 transitions, 1807 flow [2023-11-19 07:41:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:41:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:41:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3468 transitions. [2023-11-19 07:41:03,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5327188940092166 [2023-11-19 07:41:03,989 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3468 transitions. [2023-11-19 07:41:03,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3468 transitions. [2023-11-19 07:41:03,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:03,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3468 transitions. [2023-11-19 07:41:04,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 578.0) internal successors, (3468), 6 states have internal predecessors, (3468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:04,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1085.0) internal successors, (7595), 7 states have internal predecessors, (7595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:04,029 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1085.0) internal successors, (7595), 7 states have internal predecessors, (7595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:04,029 INFO L175 Difference]: Start difference. First operand has 129 places, 134 transitions, 325 flow. Second operand 6 states and 3468 transitions. [2023-11-19 07:41:04,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 429 transitions, 1807 flow [2023-11-19 07:41:04,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 429 transitions, 1803 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-19 07:41:04,046 INFO L231 Difference]: Finished difference. Result has 132 places, 133 transitions, 327 flow [2023-11-19 07:41:04,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=327, PETRI_PLACES=132, PETRI_TRANSITIONS=133} [2023-11-19 07:41:04,047 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -50 predicate places. [2023-11-19 07:41:04,048 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 133 transitions, 327 flow [2023-11-19 07:41:04,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 520.8333333333334) internal successors, (3125), 6 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:04,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:04,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:04,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:41:04,050 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:41:04,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:04,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1722179767, now seen corresponding path program 1 times [2023-11-19 07:41:04,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:04,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821257763] [2023-11-19 07:41:04,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:04,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:41:04,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:04,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821257763] [2023-11-19 07:41:04,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821257763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:04,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:04,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:41:04,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631950894] [2023-11-19 07:41:04,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:04,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:41:04,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:04,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:41:04,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:41:05,195 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 1085 [2023-11-19 07:41:05,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 133 transitions, 327 flow. Second operand has 6 states, 6 states have (on average 521.6666666666666) internal successors, (3130), 6 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:05,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:05,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 1085 [2023-11-19 07:41:05,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:06,969 INFO L124 PetriNetUnfolderBase]: 5145/9825 cut-off events. [2023-11-19 07:41:06,969 INFO L125 PetriNetUnfolderBase]: For 1945/1945 co-relation queries the response was YES. [2023-11-19 07:41:07,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20686 conditions, 9825 events. 5145/9825 cut-off events. For 1945/1945 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 69285 event pairs, 3020 based on Foata normal form. 204/9208 useless extension candidates. Maximal degree in co-relation 20678. Up to 6179 conditions per place. [2023-11-19 07:41:07,056 INFO L140 encePairwiseOnDemand]: 1079/1085 looper letters, 326 selfloop transitions, 6 changer transitions 0/376 dead transitions. [2023-11-19 07:41:07,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 376 transitions, 1521 flow [2023-11-19 07:41:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:41:07,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:41:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3440 transitions. [2023-11-19 07:41:07,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5284178187403994 [2023-11-19 07:41:07,083 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3440 transitions. [2023-11-19 07:41:07,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3440 transitions. [2023-11-19 07:41:07,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:07,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3440 transitions. [2023-11-19 07:41:07,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 573.3333333333334) internal successors, (3440), 6 states have internal predecessors, (3440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:07,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1085.0) internal successors, (7595), 7 states have internal predecessors, (7595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:07,116 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1085.0) internal successors, (7595), 7 states have internal predecessors, (7595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:07,117 INFO L175 Difference]: Start difference. First operand has 132 places, 133 transitions, 327 flow. Second operand 6 states and 3440 transitions. [2023-11-19 07:41:07,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 376 transitions, 1521 flow [2023-11-19 07:41:07,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 376 transitions, 1506 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:41:07,135 INFO L231 Difference]: Finished difference. Result has 132 places, 132 transitions, 330 flow [2023-11-19 07:41:07,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=330, PETRI_PLACES=132, PETRI_TRANSITIONS=132} [2023-11-19 07:41:07,138 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -50 predicate places. [2023-11-19 07:41:07,139 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 132 transitions, 330 flow [2023-11-19 07:41:07,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 521.6666666666666) internal successors, (3130), 6 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:07,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:07,141 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:07,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:41:07,141 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:41:07,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:07,142 INFO L85 PathProgramCache]: Analyzing trace with hash 301909642, now seen corresponding path program 1 times [2023-11-19 07:41:07,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:07,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455356965] [2023-11-19 07:41:07,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:07,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:41:07,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:07,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455356965] [2023-11-19 07:41:07,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455356965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:07,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:07,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:41:07,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770120050] [2023-11-19 07:41:07,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:07,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:41:07,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:07,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:41:07,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:41:08,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 1085 [2023-11-19 07:41:08,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 132 transitions, 330 flow. Second operand has 6 states, 6 states have (on average 479.8333333333333) internal successors, (2879), 6 states have internal predecessors, (2879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:08,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:08,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 1085 [2023-11-19 07:41:08,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:09,530 INFO L124 PetriNetUnfolderBase]: 5038/8958 cut-off events. [2023-11-19 07:41:09,531 INFO L125 PetriNetUnfolderBase]: For 1180/1180 co-relation queries the response was YES. [2023-11-19 07:41:09,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19019 conditions, 8958 events. 5038/8958 cut-off events. For 1180/1180 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 57170 event pairs, 2647 based on Foata normal form. 0/8135 useless extension candidates. Maximal degree in co-relation 19011. Up to 5472 conditions per place. [2023-11-19 07:41:09,604 INFO L140 encePairwiseOnDemand]: 1041/1085 looper letters, 124 selfloop transitions, 37 changer transitions 0/181 dead transitions. [2023-11-19 07:41:09,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 181 transitions, 802 flow [2023-11-19 07:41:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:41:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:41:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3019 transitions. [2023-11-19 07:41:09,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46374807987711214 [2023-11-19 07:41:09,618 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3019 transitions. [2023-11-19 07:41:09,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3019 transitions. [2023-11-19 07:41:09,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:09,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3019 transitions. [2023-11-19 07:41:09,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 503.1666666666667) internal successors, (3019), 6 states have internal predecessors, (3019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:09,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1085.0) internal successors, (7595), 7 states have internal predecessors, (7595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:09,645 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1085.0) internal successors, (7595), 7 states have internal predecessors, (7595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:09,645 INFO L175 Difference]: Start difference. First operand has 132 places, 132 transitions, 330 flow. Second operand 6 states and 3019 transitions. [2023-11-19 07:41:09,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 181 transitions, 802 flow [2023-11-19 07:41:09,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 181 transitions, 774 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:41:09,654 INFO L231 Difference]: Finished difference. Result has 125 places, 125 transitions, 378 flow [2023-11-19 07:41:09,655 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=125, PETRI_TRANSITIONS=125} [2023-11-19 07:41:09,655 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -57 predicate places. [2023-11-19 07:41:09,655 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 125 transitions, 378 flow [2023-11-19 07:41:09,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 479.8333333333333) internal successors, (2879), 6 states have internal predecessors, (2879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:09,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:09,657 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] [2023-11-19 07:41:09,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:41:09,657 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-19 07:41:09,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:09,658 INFO L85 PathProgramCache]: Analyzing trace with hash 572789471, now seen corresponding path program 1 times [2023-11-19 07:41:09,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:09,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322594269] [2023-11-19 07:41:09,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:09,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:41:10,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:10,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322594269] [2023-11-19 07:41:10,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322594269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:10,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:10,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:41:10,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688689495] [2023-11-19 07:41:10,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:10,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:41:10,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:10,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:41:10,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:41:10,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 1085 [2023-11-19 07:41:10,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 125 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 521.5) internal successors, (3129), 6 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:10,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:10,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 1085 [2023-11-19 07:41:10,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:12,295 INFO L124 PetriNetUnfolderBase]: 4355/8455 cut-off events. [2023-11-19 07:41:12,295 INFO L125 PetriNetUnfolderBase]: For 798/798 co-relation queries the response was YES. [2023-11-19 07:41:12,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18288 conditions, 8455 events. 4355/8455 cut-off events. For 798/798 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 59122 event pairs, 2903 based on Foata normal form. 0/7663 useless extension candidates. Maximal degree in co-relation 18280. Up to 5923 conditions per place. [2023-11-19 07:41:12,334 INFO L140 encePairwiseOnDemand]: 1080/1085 looper letters, 0 selfloop transitions, 0 changer transitions 372/372 dead transitions. [2023-11-19 07:41:12,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 372 transitions, 1752 flow [2023-11-19 07:41:12,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:41:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:41:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3428 transitions. [2023-11-19 07:41:12,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5265745007680491 [2023-11-19 07:41:12,349 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3428 transitions. [2023-11-19 07:41:12,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3428 transitions. [2023-11-19 07:41:12,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:12,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3428 transitions. [2023-11-19 07:41:12,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 571.3333333333334) internal successors, (3428), 6 states have internal predecessors, (3428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:12,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1085.0) internal successors, (7595), 7 states have internal predecessors, (7595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:12,378 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1085.0) internal successors, (7595), 7 states have internal predecessors, (7595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:12,378 INFO L175 Difference]: Start difference. First operand has 125 places, 125 transitions, 378 flow. Second operand 6 states and 3428 transitions. [2023-11-19 07:41:12,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 372 transitions, 1752 flow [2023-11-19 07:41:12,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 372 transitions, 1550 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:41:12,398 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2023-11-19 07:41:12,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1085, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2023-11-19 07:41:12,399 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -58 predicate places. [2023-11-19 07:41:12,399 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2023-11-19 07:41:12,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 521.5) internal successors, (3129), 6 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:41:12,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (133 of 134 remaining) [2023-11-19 07:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (132 of 134 remaining) [2023-11-19 07:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (131 of 134 remaining) [2023-11-19 07:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (130 of 134 remaining) [2023-11-19 07:41:12,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (129 of 134 remaining) [2023-11-19 07:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (128 of 134 remaining) [2023-11-19 07:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (127 of 134 remaining) [2023-11-19 07:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (126 of 134 remaining) [2023-11-19 07:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (125 of 134 remaining) [2023-11-19 07:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (124 of 134 remaining) [2023-11-19 07:41:12,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (123 of 134 remaining) [2023-11-19 07:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (122 of 134 remaining) [2023-11-19 07:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (121 of 134 remaining) [2023-11-19 07:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (120 of 134 remaining) [2023-11-19 07:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (119 of 134 remaining) [2023-11-19 07:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (118 of 134 remaining) [2023-11-19 07:41:12,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (117 of 134 remaining) [2023-11-19 07:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (116 of 134 remaining) [2023-11-19 07:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (115 of 134 remaining) [2023-11-19 07:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (114 of 134 remaining) [2023-11-19 07:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (113 of 134 remaining) [2023-11-19 07:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (112 of 134 remaining) [2023-11-19 07:41:12,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (111 of 134 remaining) [2023-11-19 07:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (110 of 134 remaining) [2023-11-19 07:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (109 of 134 remaining) [2023-11-19 07:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (108 of 134 remaining) [2023-11-19 07:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (107 of 134 remaining) [2023-11-19 07:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (106 of 134 remaining) [2023-11-19 07:41:12,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (105 of 134 remaining) [2023-11-19 07:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (104 of 134 remaining) [2023-11-19 07:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (103 of 134 remaining) [2023-11-19 07:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (102 of 134 remaining) [2023-11-19 07:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (101 of 134 remaining) [2023-11-19 07:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (100 of 134 remaining) [2023-11-19 07:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (99 of 134 remaining) [2023-11-19 07:41:12,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (98 of 134 remaining) [2023-11-19 07:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (97 of 134 remaining) [2023-11-19 07:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (96 of 134 remaining) [2023-11-19 07:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (95 of 134 remaining) [2023-11-19 07:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (94 of 134 remaining) [2023-11-19 07:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (93 of 134 remaining) [2023-11-19 07:41:12,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (92 of 134 remaining) [2023-11-19 07:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (91 of 134 remaining) [2023-11-19 07:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (90 of 134 remaining) [2023-11-19 07:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 134 remaining) [2023-11-19 07:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (88 of 134 remaining) [2023-11-19 07:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (87 of 134 remaining) [2023-11-19 07:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (86 of 134 remaining) [2023-11-19 07:41:12,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (85 of 134 remaining) [2023-11-19 07:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (84 of 134 remaining) [2023-11-19 07:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (83 of 134 remaining) [2023-11-19 07:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (82 of 134 remaining) [2023-11-19 07:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (81 of 134 remaining) [2023-11-19 07:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (80 of 134 remaining) [2023-11-19 07:41:12,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (79 of 134 remaining) [2023-11-19 07:41:12,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (78 of 134 remaining) [2023-11-19 07:41:12,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (77 of 134 remaining) [2023-11-19 07:41:12,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (76 of 134 remaining) [2023-11-19 07:41:12,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (75 of 134 remaining) [2023-11-19 07:41:12,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (74 of 134 remaining) [2023-11-19 07:41:12,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (73 of 134 remaining) [2023-11-19 07:41:12,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 134 remaining) [2023-11-19 07:41:12,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 134 remaining) [2023-11-19 07:41:12,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 134 remaining) [2023-11-19 07:41:12,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 134 remaining) [2023-11-19 07:41:12,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 134 remaining) [2023-11-19 07:41:12,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 134 remaining) [2023-11-19 07:41:12,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 134 remaining) [2023-11-19 07:41:12,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 134 remaining) [2023-11-19 07:41:12,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 134 remaining) [2023-11-19 07:41:12,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 134 remaining) [2023-11-19 07:41:12,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 134 remaining) [2023-11-19 07:41:12,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 134 remaining) [2023-11-19 07:41:12,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 134 remaining) [2023-11-19 07:41:12,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 134 remaining) [2023-11-19 07:41:12,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 134 remaining) [2023-11-19 07:41:12,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 134 remaining) [2023-11-19 07:41:12,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 134 remaining) [2023-11-19 07:41:12,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 134 remaining) [2023-11-19 07:41:12,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 134 remaining) [2023-11-19 07:41:12,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 134 remaining) [2023-11-19 07:41:12,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 134 remaining) [2023-11-19 07:41:12,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (51 of 134 remaining) [2023-11-19 07:41:12,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 134 remaining) [2023-11-19 07:41:12,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (49 of 134 remaining) [2023-11-19 07:41:12,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (48 of 134 remaining) [2023-11-19 07:41:12,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 134 remaining) [2023-11-19 07:41:12,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (46 of 134 remaining) [2023-11-19 07:41:12,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (45 of 134 remaining) [2023-11-19 07:41:12,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (44 of 134 remaining) [2023-11-19 07:41:12,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 134 remaining) [2023-11-19 07:41:12,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (42 of 134 remaining) [2023-11-19 07:41:12,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (41 of 134 remaining) [2023-11-19 07:41:12,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (40 of 134 remaining) [2023-11-19 07:41:12,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (39 of 134 remaining) [2023-11-19 07:41:12,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 134 remaining) [2023-11-19 07:41:12,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (37 of 134 remaining) [2023-11-19 07:41:12,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (36 of 134 remaining) [2023-11-19 07:41:12,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (35 of 134 remaining) [2023-11-19 07:41:12,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (34 of 134 remaining) [2023-11-19 07:41:12,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (33 of 134 remaining) [2023-11-19 07:41:12,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (32 of 134 remaining) [2023-11-19 07:41:12,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (31 of 134 remaining) [2023-11-19 07:41:12,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (30 of 134 remaining) [2023-11-19 07:41:12,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 134 remaining) [2023-11-19 07:41:12,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (28 of 134 remaining) [2023-11-19 07:41:12,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (27 of 134 remaining) [2023-11-19 07:41:12,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (26 of 134 remaining) [2023-11-19 07:41:12,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (25 of 134 remaining) [2023-11-19 07:41:12,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (24 of 134 remaining) [2023-11-19 07:41:12,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (23 of 134 remaining) [2023-11-19 07:41:12,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (22 of 134 remaining) [2023-11-19 07:41:12,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (21 of 134 remaining) [2023-11-19 07:41:12,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (20 of 134 remaining) [2023-11-19 07:41:12,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 134 remaining) [2023-11-19 07:41:12,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 134 remaining) [2023-11-19 07:41:12,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 134 remaining) [2023-11-19 07:41:12,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 134 remaining) [2023-11-19 07:41:12,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 134 remaining) [2023-11-19 07:41:12,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 134 remaining) [2023-11-19 07:41:12,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 134 remaining) [2023-11-19 07:41:12,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 134 remaining) [2023-11-19 07:41:12,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 134 remaining) [2023-11-19 07:41:12,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 134 remaining) [2023-11-19 07:41:12,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 134 remaining) [2023-11-19 07:41:12,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 134 remaining) [2023-11-19 07:41:12,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 134 remaining) [2023-11-19 07:41:12,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 134 remaining) [2023-11-19 07:41:12,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 134 remaining) [2023-11-19 07:41:12,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 134 remaining) [2023-11-19 07:41:12,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 134 remaining) [2023-11-19 07:41:12,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 134 remaining) [2023-11-19 07:41:12,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 134 remaining) [2023-11-19 07:41:12,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 134 remaining) [2023-11-19 07:41:12,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:41:12,427 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:12,435 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:41:12,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:41:12,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:41:12 BasicIcfg [2023-11-19 07:41:12,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:41:12,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:41:12,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:41:12,444 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:41:12,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:38" (3/4) ... [2023-11-19 07:41:12,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:41:12,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:41:12,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:41:12,459 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:41:12,459 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:41:12,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:41:12,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:41:12,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:41:12,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:41:12,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:41:12,597 INFO L158 Benchmark]: Toolchain (without parser) took 36196.50ms. Allocated memory was 157.3MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 128.4MB in the beginning and 393.5MB in the end (delta: -265.1MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-11-19 07:41:12,597 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:12,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.93ms. Allocated memory is still 157.3MB. Free memory was 128.4MB in the beginning and 115.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:41:12,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.62ms. Allocated memory is still 157.3MB. Free memory was 115.1MB in the beginning and 111.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:41:12,598 INFO L158 Benchmark]: Boogie Preprocessor took 104.22ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 108.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:12,598 INFO L158 Benchmark]: RCFGBuilder took 1292.10ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 91.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:41:12,599 INFO L158 Benchmark]: TraceAbstraction took 34172.88ms. Allocated memory was 157.3MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 91.7MB in the beginning and 399.8MB in the end (delta: -308.1MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-11-19 07:41:12,599 INFO L158 Benchmark]: Witness Printer took 152.60ms. Allocated memory is still 1.6GB. Free memory was 399.8MB in the beginning and 393.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:41:12,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.93ms. Allocated memory is still 157.3MB. Free memory was 128.4MB in the beginning and 115.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.62ms. Allocated memory is still 157.3MB. Free memory was 115.1MB in the beginning and 111.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.22ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 108.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1292.10ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 91.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 34172.88ms. Allocated memory was 157.3MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 91.7MB in the beginning and 399.8MB in the end (delta: -308.1MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 152.60ms. Allocated memory is still 1.6GB. Free memory was 399.8MB in the beginning and 393.5MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.3s, 509 PlacesBefore, 182 PlacesAfterwards, 530 TransitionsBefore, 191 TransitionsAfterwards, 51290 CoEnabledTransitionPairs, 9 FixpointIterations, 117 TrivialSequentialCompositions, 319 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 71 ConcurrentYvCompositions, 12 ChoiceCompositions, 532 TotalNumberOfCompositions, 207811 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 59266, independent: 57040, independent conditional: 0, independent unconditional: 57040, dependent: 2226, dependent conditional: 0, dependent unconditional: 2226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 28900, independent: 28540, independent conditional: 0, independent unconditional: 28540, dependent: 360, dependent conditional: 0, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 59266, independent: 28500, independent conditional: 0, independent unconditional: 28500, dependent: 1866, dependent conditional: 0, dependent unconditional: 1866, unknown: 28900, unknown conditional: 0, unknown unconditional: 28900] , Statistics on independence cache: Total cache size (in pairs): 2117, Positive cache size: 1934, Positive conditional cache size: 0, Positive unconditional cache size: 1934, Negative cache size: 183, Negative conditional cache size: 0, Negative unconditional cache size: 183, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 50]: 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: 51]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 85]: 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: 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: 64]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 901 locations, 134 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: 33.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2153 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1502 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 771 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5287 IncrementalHoareTripleChecker+Invalid, 6058 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 771 mSolverCounterUnsat, 22 mSDtfsCounter, 5287 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=0, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 4/4 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 71 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:41:12,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6807aca6-e157-4d23-be8e-7a1d63ba8cf0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE