./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:17,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:17,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 21:59:17,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:17,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:17,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:17,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:17,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:17,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:17,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:17,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:17,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:17,960 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:17,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:17,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:59:17,961 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:59:17,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:17,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:59:17,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:17,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:59:17,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:17,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:59:17,968 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 21:59:17,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:17,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:59:17,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:59:17,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:17,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:17,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:17,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:17,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:17,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:17,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:17,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:17,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:59:17,973 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:17,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:17,973 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:17,973 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:17,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:17,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:17,978 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_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-10-31 21:59:18,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:18,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:18,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:18,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:18,315 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:18,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i Unable to find full path for "g++" [2024-10-31 21:59:20,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:20,848 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:20,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-10-31 21:59:20,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/data/c5e59d813/5a96f10f81b142b48de258e97a7c761d/FLAG5d705f27c [2024-10-31 21:59:21,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/data/c5e59d813/5a96f10f81b142b48de258e97a7c761d [2024-10-31 21:59:21,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:21,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:21,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:21,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:21,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:21,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:21,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11078399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21, skipping insertion in model container [2024-10-31 21:59:21,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:21,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:21,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:21,789 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:21,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:21,917 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:21,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21 WrapperNode [2024-10-31 21:59:21,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:21,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:21,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:21,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:21,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:21,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:21,992 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 238 [2024-10-31 21:59:21,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:21,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:21,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:21,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:22,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:22,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:22,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:22,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:22,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:22,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:22,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:22,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-31 21:59:22,226 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-31 21:59:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 21:59:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:59:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:59:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 21:59:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 21:59:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 21:59:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 21:59:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 21:59:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:59:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 21:59:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 21:59:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:22,232 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:59:22,554 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:22,556 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:23,198 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:59:23,198 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:23,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:23,395 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:59:23,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:23 BoogieIcfgContainer [2024-10-31 21:59:23,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:23,402 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:23,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:23,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:23,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:59:21" (1/3) ... [2024-10-31 21:59:23,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4be68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:23, skipping insertion in model container [2024-10-31 21:59:23,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21" (2/3) ... [2024-10-31 21:59:23,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4be68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:23, skipping insertion in model container [2024-10-31 21:59:23,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:23" (3/3) ... [2024-10-31 21:59:23,411 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2024-10-31 21:59:23,434 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:23,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-10-31 21:59:23,434 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:59:23,552 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 21:59:23,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 267 transitions, 548 flow [2024-10-31 21:59:23,795 INFO L124 PetriNetUnfolderBase]: 14/351 cut-off events. [2024-10-31 21:59:23,795 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:59:23,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 351 events. 14/351 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 679 event pairs, 0 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 177. Up to 4 conditions per place. [2024-10-31 21:59:23,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 267 transitions, 548 flow [2024-10-31 21:59:23,821 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 264 transitions, 540 flow [2024-10-31 21:59:23,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:23,845 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18b4d2d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:23,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-31 21:59:23,855 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:59:23,855 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-31 21:59:23,855 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:59:23,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:23,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:23,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:23,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash -132741597, now seen corresponding path program 1 times [2024-10-31 21:59:23,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:23,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370491152] [2024-10-31 21:59:23,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:23,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:25,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:25,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370491152] [2024-10-31 21:59:25,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370491152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:25,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:25,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:59:25,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786309803] [2024-10-31 21:59:25,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:25,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:25,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:25,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:25,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:59:25,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-10-31 21:59:25,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 264 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:25,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:25,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-10-31 21:59:25,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:27,056 INFO L124 PetriNetUnfolderBase]: 1296/4260 cut-off events. [2024-10-31 21:59:27,057 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-10-31 21:59:27,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6419 conditions, 4260 events. 1296/4260 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 34765 event pairs, 1295 based on Foata normal form. 140/4109 useless extension candidates. Maximal degree in co-relation 6156. Up to 2130 conditions per place. [2024-10-31 21:59:27,102 INFO L140 encePairwiseOnDemand]: 243/267 looper letters, 47 selfloop transitions, 5 changer transitions 6/233 dead transitions. [2024-10-31 21:59:27,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 233 transitions, 582 flow [2024-10-31 21:59:27,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:59:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-10-31 21:59:27,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7634207240948814 [2024-10-31 21:59:27,130 INFO L175 Difference]: Start difference. First operand has 261 places, 264 transitions, 540 flow. Second operand 6 states and 1223 transitions. [2024-10-31 21:59:27,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 233 transitions, 582 flow [2024-10-31 21:59:27,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 233 transitions, 574 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 21:59:27,143 INFO L231 Difference]: Finished difference. Result has 239 places, 227 transitions, 468 flow [2024-10-31 21:59:27,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=239, PETRI_TRANSITIONS=227} [2024-10-31 21:59:27,153 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -22 predicate places. [2024-10-31 21:59:27,153 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 227 transitions, 468 flow [2024-10-31 21:59:27,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:27,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:27,156 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:27,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:59:27,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:27,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2134588850, now seen corresponding path program 1 times [2024-10-31 21:59:27,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:27,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874206977] [2024-10-31 21:59:27,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:27,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:27,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:27,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874206977] [2024-10-31 21:59:27,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874206977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:27,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:27,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:59:27,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952188426] [2024-10-31 21:59:27,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:27,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:27,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:27,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:27,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:59:28,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-10-31 21:59:28,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 227 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:28,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:28,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-10-31 21:59:28,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:29,579 INFO L124 PetriNetUnfolderBase]: 1296/4253 cut-off events. [2024-10-31 21:59:29,580 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:59:29,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6402 conditions, 4253 events. 1296/4253 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 34705 event pairs, 1295 based on Foata normal form. 0/3965 useless extension candidates. Maximal degree in co-relation 6359. Up to 2130 conditions per place. [2024-10-31 21:59:29,608 INFO L140 encePairwiseOnDemand]: 261/267 looper letters, 47 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2024-10-31 21:59:29,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 226 transitions, 570 flow [2024-10-31 21:59:29,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:59:29,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1205 transitions. [2024-10-31 21:59:29,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7521847690387016 [2024-10-31 21:59:29,613 INFO L175 Difference]: Start difference. First operand has 239 places, 227 transitions, 468 flow. Second operand 6 states and 1205 transitions. [2024-10-31 21:59:29,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 226 transitions, 570 flow [2024-10-31 21:59:29,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 226 transitions, 560 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:59:29,623 INFO L231 Difference]: Finished difference. Result has 232 places, 226 transitions, 466 flow [2024-10-31 21:59:29,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=466, PETRI_PLACES=232, PETRI_TRANSITIONS=226} [2024-10-31 21:59:29,624 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -29 predicate places. [2024-10-31 21:59:29,624 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 226 transitions, 466 flow [2024-10-31 21:59:29,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:29,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:29,626 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:29,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:59:29,626 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:29,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:29,627 INFO L85 PathProgramCache]: Analyzing trace with hash -118367641, now seen corresponding path program 1 times [2024-10-31 21:59:29,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:29,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602450047] [2024-10-31 21:59:29,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:29,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:29,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:29,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602450047] [2024-10-31 21:59:29,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602450047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:29,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:29,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:29,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953758825] [2024-10-31 21:59:29,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:29,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:29,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:29,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:29,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:29,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-10-31 21:59:29,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 226 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:29,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:29,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-10-31 21:59:29,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:30,318 INFO L124 PetriNetUnfolderBase]: 401/2397 cut-off events. [2024-10-31 21:59:30,318 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:59:30,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3089 conditions, 2397 events. 401/2397 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 18563 event pairs, 395 based on Foata normal form. 0/2210 useless extension candidates. Maximal degree in co-relation 3039. Up to 670 conditions per place. [2024-10-31 21:59:30,334 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 28 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2024-10-31 21:59:30,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 230 transitions, 534 flow [2024-10-31 21:59:30,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:59:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2024-10-31 21:59:30,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8589263420724095 [2024-10-31 21:59:30,337 INFO L175 Difference]: Start difference. First operand has 232 places, 226 transitions, 466 flow. Second operand 3 states and 688 transitions. [2024-10-31 21:59:30,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 230 transitions, 534 flow [2024-10-31 21:59:30,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 230 transitions, 524 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:59:30,342 INFO L231 Difference]: Finished difference. Result has 228 places, 225 transitions, 458 flow [2024-10-31 21:59:30,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=228, PETRI_TRANSITIONS=225} [2024-10-31 21:59:30,344 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -33 predicate places. [2024-10-31 21:59:30,344 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 225 transitions, 458 flow [2024-10-31 21:59:30,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:30,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:30,345 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:30,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:59:30,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:30,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:30,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1636350122, now seen corresponding path program 1 times [2024-10-31 21:59:30,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:30,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246120239] [2024-10-31 21:59:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:30,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:30,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246120239] [2024-10-31 21:59:30,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246120239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:30,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:30,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:30,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717930042] [2024-10-31 21:59:30,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:30,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:30,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:30,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:30,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:30,450 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-10-31 21:59:30,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 225 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:30,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:30,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-10-31 21:59:30,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:30,948 INFO L124 PetriNetUnfolderBase]: 395/2386 cut-off events. [2024-10-31 21:59:30,948 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:59:30,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3061 conditions, 2386 events. 395/2386 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 17661 event pairs, 270 based on Foata normal form. 0/2214 useless extension candidates. Maximal degree in co-relation 2919. Up to 458 conditions per place. [2024-10-31 21:59:30,963 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 30 selfloop transitions, 1 changer transitions 0/234 dead transitions. [2024-10-31 21:59:30,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 234 transitions, 538 flow [2024-10-31 21:59:30,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:30,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:59:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-10-31 21:59:30,966 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8751560549313359 [2024-10-31 21:59:30,966 INFO L175 Difference]: Start difference. First operand has 228 places, 225 transitions, 458 flow. Second operand 3 states and 701 transitions. [2024-10-31 21:59:30,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 234 transitions, 538 flow [2024-10-31 21:59:30,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 234 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:59:30,971 INFO L231 Difference]: Finished difference. Result has 227 places, 224 transitions, 454 flow [2024-10-31 21:59:30,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=227, PETRI_TRANSITIONS=224} [2024-10-31 21:59:30,973 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -34 predicate places. [2024-10-31 21:59:30,973 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 224 transitions, 454 flow [2024-10-31 21:59:30,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:30,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:30,974 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:30,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:59:30,975 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:30,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:30,975 INFO L85 PathProgramCache]: Analyzing trace with hash 112182595, now seen corresponding path program 1 times [2024-10-31 21:59:30,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:30,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25171090] [2024-10-31 21:59:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:30,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:31,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:31,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25171090] [2024-10-31 21:59:31,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25171090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:31,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:31,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:31,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140418178] [2024-10-31 21:59:31,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:31,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:31,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:31,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:31,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:31,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-10-31 21:59:31,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 224 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:31,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:31,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-10-31 21:59:31,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:31,702 INFO L124 PetriNetUnfolderBase]: 415/3805 cut-off events. [2024-10-31 21:59:31,702 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:59:31,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4558 conditions, 3805 events. 415/3805 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 34275 event pairs, 185 based on Foata normal form. 0/3500 useless extension candidates. Maximal degree in co-relation 4279. Up to 619 conditions per place. [2024-10-31 21:59:31,723 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 33 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2024-10-31 21:59:31,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 233 transitions, 542 flow [2024-10-31 21:59:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:59:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2024-10-31 21:59:31,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8651685393258427 [2024-10-31 21:59:31,726 INFO L175 Difference]: Start difference. First operand has 227 places, 224 transitions, 454 flow. Second operand 3 states and 693 transitions. [2024-10-31 21:59:31,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 233 transitions, 542 flow [2024-10-31 21:59:31,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 233 transitions, 541 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:59:31,733 INFO L231 Difference]: Finished difference. Result has 227 places, 223 transitions, 455 flow [2024-10-31 21:59:31,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=455, PETRI_PLACES=227, PETRI_TRANSITIONS=223} [2024-10-31 21:59:31,734 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -34 predicate places. [2024-10-31 21:59:31,735 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 223 transitions, 455 flow [2024-10-31 21:59:31,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:31,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:31,736 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:31,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:59:31,736 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:31,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1407871838, now seen corresponding path program 1 times [2024-10-31 21:59:31,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:31,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825977884] [2024-10-31 21:59:31,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:31,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:32,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:32,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825977884] [2024-10-31 21:59:32,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825977884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:32,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:32,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:59:32,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718604367] [2024-10-31 21:59:32,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:32,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:32,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:32,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:32,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:59:32,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-10-31 21:59:32,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 223 transitions, 455 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:32,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:32,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-10-31 21:59:32,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:34,024 INFO L124 PetriNetUnfolderBase]: 1487/4669 cut-off events. [2024-10-31 21:59:34,024 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:59:34,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7157 conditions, 4669 events. 1487/4669 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 37087 event pairs, 1027 based on Foata normal form. 0/4435 useless extension candidates. Maximal degree in co-relation 6952. Up to 2116 conditions per place. [2024-10-31 21:59:34,052 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 61 selfloop transitions, 30 changer transitions 7/268 dead transitions. [2024-10-31 21:59:34,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 268 transitions, 733 flow [2024-10-31 21:59:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:59:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-10-31 21:59:34,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-10-31 21:59:34,057 INFO L175 Difference]: Start difference. First operand has 227 places, 223 transitions, 455 flow. Second operand 6 states and 1271 transitions. [2024-10-31 21:59:34,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 268 transitions, 733 flow [2024-10-31 21:59:34,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 268 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:59:34,064 INFO L231 Difference]: Finished difference. Result has 235 places, 245 transitions, 639 flow [2024-10-31 21:59:34,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=235, PETRI_TRANSITIONS=245} [2024-10-31 21:59:34,065 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -26 predicate places. [2024-10-31 21:59:34,065 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 245 transitions, 639 flow [2024-10-31 21:59:34,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:34,066 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:34,067 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:34,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:59:34,067 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:34,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:34,068 INFO L85 PathProgramCache]: Analyzing trace with hash 722383976, now seen corresponding path program 1 times [2024-10-31 21:59:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:34,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500301476] [2024-10-31 21:59:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:34,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:34,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500301476] [2024-10-31 21:59:34,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500301476] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:34,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:34,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:59:34,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983636755] [2024-10-31 21:59:34,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:34,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:34,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:34,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:34,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:59:35,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-10-31 21:59:35,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 245 transitions, 639 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:35,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:35,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-10-31 21:59:35,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:36,801 INFO L124 PetriNetUnfolderBase]: 1749/4691 cut-off events. [2024-10-31 21:59:36,801 INFO L125 PetriNetUnfolderBase]: For 1107/1107 co-relation queries the response was YES. [2024-10-31 21:59:36,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9261 conditions, 4691 events. 1749/4691 cut-off events. For 1107/1107 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 35568 event pairs, 1009 based on Foata normal form. 0/4504 useless extension candidates. Maximal degree in co-relation 3116. Up to 2310 conditions per place. [2024-10-31 21:59:36,837 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 84 selfloop transitions, 30 changer transitions 11/290 dead transitions. [2024-10-31 21:59:36,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 290 transitions, 1007 flow [2024-10-31 21:59:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:59:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1268 transitions. [2024-10-31 21:59:36,845 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7915106117353309 [2024-10-31 21:59:36,845 INFO L175 Difference]: Start difference. First operand has 235 places, 245 transitions, 639 flow. Second operand 6 states and 1268 transitions. [2024-10-31 21:59:36,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 290 transitions, 1007 flow [2024-10-31 21:59:36,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 290 transitions, 1007 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:59:36,857 INFO L231 Difference]: Finished difference. Result has 238 places, 263 transitions, 867 flow [2024-10-31 21:59:36,858 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=867, PETRI_PLACES=238, PETRI_TRANSITIONS=263} [2024-10-31 21:59:36,859 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -23 predicate places. [2024-10-31 21:59:36,859 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 263 transitions, 867 flow [2024-10-31 21:59:36,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:36,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:36,860 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:36,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:59:36,861 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:36,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1575062284, now seen corresponding path program 1 times [2024-10-31 21:59:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127725208] [2024-10-31 21:59:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:37,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:37,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127725208] [2024-10-31 21:59:37,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127725208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:37,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:37,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:59:37,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275188661] [2024-10-31 21:59:37,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:37,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:37,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:37,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:37,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:59:37,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-10-31 21:59:37,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 263 transitions, 867 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:37,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:37,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-10-31 21:59:37,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:39,407 INFO L124 PetriNetUnfolderBase]: 1891/5022 cut-off events. [2024-10-31 21:59:39,408 INFO L125 PetriNetUnfolderBase]: For 2754/2802 co-relation queries the response was YES. [2024-10-31 21:59:39,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11853 conditions, 5022 events. 1891/5022 cut-off events. For 2754/2802 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 39667 event pairs, 879 based on Foata normal form. 0/4881 useless extension candidates. Maximal degree in co-relation 7071. Up to 2453 conditions per place. [2024-10-31 21:59:39,447 INFO L140 encePairwiseOnDemand]: 251/267 looper letters, 115 selfloop transitions, 26 changer transitions 0/307 dead transitions. [2024-10-31 21:59:39,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 307 transitions, 1337 flow [2024-10-31 21:59:39,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:59:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1273 transitions. [2024-10-31 21:59:39,452 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7946317103620475 [2024-10-31 21:59:39,452 INFO L175 Difference]: Start difference. First operand has 238 places, 263 transitions, 867 flow. Second operand 6 states and 1273 transitions. [2024-10-31 21:59:39,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 307 transitions, 1337 flow [2024-10-31 21:59:39,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 307 transitions, 1289 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-10-31 21:59:39,467 INFO L231 Difference]: Finished difference. Result has 236 places, 283 transitions, 1051 flow [2024-10-31 21:59:39,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1051, PETRI_PLACES=236, PETRI_TRANSITIONS=283} [2024-10-31 21:59:39,469 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-10-31 21:59:39,469 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 283 transitions, 1051 flow [2024-10-31 21:59:39,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:39,470 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:39,470 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:39,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 21:59:39,470 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:39,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:39,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1999827901, now seen corresponding path program 1 times [2024-10-31 21:59:39,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:39,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67780544] [2024-10-31 21:59:39,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:39,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:40,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:40,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67780544] [2024-10-31 21:59:40,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67780544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:40,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:40,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:59:40,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080140360] [2024-10-31 21:59:40,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:40,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:40,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:40,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:40,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:59:40,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-10-31 21:59:40,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 283 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:40,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:40,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-10-31 21:59:40,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:41,617 INFO L124 PetriNetUnfolderBase]: 2271/5539 cut-off events. [2024-10-31 21:59:41,617 INFO L125 PetriNetUnfolderBase]: For 5610/5782 co-relation queries the response was YES. [2024-10-31 21:59:41,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14864 conditions, 5539 events. 2271/5539 cut-off events. For 5610/5782 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 42615 event pairs, 975 based on Foata normal form. 70/5455 useless extension candidates. Maximal degree in co-relation 9523. Up to 2837 conditions per place. [2024-10-31 21:59:41,661 INFO L140 encePairwiseOnDemand]: 252/267 looper letters, 128 selfloop transitions, 36 changer transitions 37/342 dead transitions. [2024-10-31 21:59:41,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 342 transitions, 1771 flow [2024-10-31 21:59:41,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:59:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-10-31 21:59:41,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-10-31 21:59:41,664 INFO L175 Difference]: Start difference. First operand has 236 places, 283 transitions, 1051 flow. Second operand 6 states and 1271 transitions. [2024-10-31 21:59:41,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 342 transitions, 1771 flow [2024-10-31 21:59:41,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 342 transitions, 1771 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:59:41,680 INFO L231 Difference]: Finished difference. Result has 244 places, 281 transitions, 1383 flow [2024-10-31 21:59:41,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1383, PETRI_PLACES=244, PETRI_TRANSITIONS=281} [2024-10-31 21:59:41,681 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -17 predicate places. [2024-10-31 21:59:41,682 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 281 transitions, 1383 flow [2024-10-31 21:59:41,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:41,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:41,683 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:41,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 21:59:41,683 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:41,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:41,684 INFO L85 PathProgramCache]: Analyzing trace with hash 680198257, now seen corresponding path program 1 times [2024-10-31 21:59:41,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:41,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4787448] [2024-10-31 21:59:41,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:41,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:41,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:41,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4787448] [2024-10-31 21:59:41,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4787448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:41,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:41,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:59:41,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236478272] [2024-10-31 21:59:41,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:41,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:59:41,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:41,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:41,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:41,906 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 267 [2024-10-31 21:59:41,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 281 transitions, 1383 flow. Second operand has 5 states, 5 states have (on average 218.2) internal successors, (1091), 5 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:41,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:41,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 267 [2024-10-31 21:59:41,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:42,460 INFO L124 PetriNetUnfolderBase]: 575/1462 cut-off events. [2024-10-31 21:59:42,460 INFO L125 PetriNetUnfolderBase]: For 1973/1973 co-relation queries the response was YES. [2024-10-31 21:59:42,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3697 conditions, 1462 events. 575/1462 cut-off events. For 1973/1973 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 9428 event pairs, 270 based on Foata normal form. 0/1445 useless extension candidates. Maximal degree in co-relation 3675. Up to 460 conditions per place. [2024-10-31 21:59:42,476 INFO L140 encePairwiseOnDemand]: 262/267 looper letters, 61 selfloop transitions, 4 changer transitions 0/164 dead transitions. [2024-10-31 21:59:42,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 164 transitions, 662 flow [2024-10-31 21:59:42,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:42,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:59:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1356 transitions. [2024-10-31 21:59:42,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.846441947565543 [2024-10-31 21:59:42,481 INFO L175 Difference]: Start difference. First operand has 244 places, 281 transitions, 1383 flow. Second operand 6 states and 1356 transitions. [2024-10-31 21:59:42,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 164 transitions, 662 flow [2024-10-31 21:59:42,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 164 transitions, 522 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-10-31 21:59:42,490 INFO L231 Difference]: Finished difference. Result has 150 places, 124 transitions, 272 flow [2024-10-31 21:59:42,490 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=272, PETRI_PLACES=150, PETRI_TRANSITIONS=124} [2024-10-31 21:59:42,491 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -111 predicate places. [2024-10-31 21:59:42,491 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 124 transitions, 272 flow [2024-10-31 21:59:42,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 218.2) internal successors, (1091), 5 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:42,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:42,492 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:42,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 21:59:42,495 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 21:59:42,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:42,496 INFO L85 PathProgramCache]: Analyzing trace with hash 204042461, now seen corresponding path program 1 times [2024-10-31 21:59:42,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:42,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759728674] [2024-10-31 21:59:42,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:42,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:42,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:42,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759728674] [2024-10-31 21:59:42,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759728674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:42,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:42,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:42,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202948474] [2024-10-31 21:59:42,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:42,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:42,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:42,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:42,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:42,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-10-31 21:59:42,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 124 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:42,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:59:42,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-10-31 21:59:42,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:59:42,881 INFO L124 PetriNetUnfolderBase]: 290/976 cut-off events. [2024-10-31 21:59:42,881 INFO L125 PetriNetUnfolderBase]: For 125/127 co-relation queries the response was YES. [2024-10-31 21:59:42,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1788 conditions, 976 events. 290/976 cut-off events. For 125/127 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 5925 event pairs, 280 based on Foata normal form. 0/944 useless extension candidates. Maximal degree in co-relation 1768. Up to 479 conditions per place. [2024-10-31 21:59:42,885 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2024-10-31 21:59:42,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 128 transitions, 336 flow [2024-10-31 21:59:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:59:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2024-10-31 21:59:42,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.867665418227216 [2024-10-31 21:59:42,888 INFO L175 Difference]: Start difference. First operand has 150 places, 124 transitions, 272 flow. Second operand 3 states and 695 transitions. [2024-10-31 21:59:42,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 128 transitions, 336 flow [2024-10-31 21:59:42,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 128 transitions, 329 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 21:59:42,891 INFO L231 Difference]: Finished difference. Result has 147 places, 0 transitions, 0 flow [2024-10-31 21:59:42,891 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=147, PETRI_TRANSITIONS=0} [2024-10-31 21:59:42,892 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -114 predicate places. [2024-10-31 21:59:42,892 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 0 transitions, 0 flow [2024-10-31 21:59:42,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:42,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-10-31 21:59:42,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-10-31 21:59:42,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-10-31 21:59:42,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-10-31 21:59:42,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-10-31 21:59:42,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-10-31 21:59:42,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-10-31 21:59:42,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-10-31 21:59:42,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-10-31 21:59:42,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-10-31 21:59:42,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-10-31 21:59:42,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-10-31 21:59:42,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-10-31 21:59:42,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-10-31 21:59:42,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-10-31 21:59:42,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-10-31 21:59:42,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-10-31 21:59:42,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2024-10-31 21:59:42,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-10-31 21:59:42,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-10-31 21:59:42,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-10-31 21:59:42,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-10-31 21:59:42,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-10-31 21:59:42,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-10-31 21:59:42,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-10-31 21:59:42,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-10-31 21:59:42,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-10-31 21:59:42,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 21:59:42,913 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:42,921 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 21:59:42,922 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:59:42,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:59:42 BasicIcfg [2024-10-31 21:59:42,928 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:59:42,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:59:42,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:59:42,929 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:59:42,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:23" (3/4) ... [2024-10-31 21:59:42,935 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 21:59:42,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-10-31 21:59:42,951 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-10-31 21:59:42,954 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-31 21:59:42,955 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 21:59:42,955 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 21:59:43,096 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:59:43,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 21:59:43,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:59:43,098 INFO L158 Benchmark]: Toolchain (without parser) took 22036.93ms. Allocated memory was 163.6MB in the beginning and 746.6MB in the end (delta: 583.0MB). Free memory was 117.4MB in the beginning and 194.3MB in the end (delta: -76.9MB). Peak memory consumption was 508.6MB. Max. memory is 16.1GB. [2024-10-31 21:59:43,098 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 163.6MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:59:43,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.49ms. Allocated memory is still 163.6MB. Free memory was 117.0MB in the beginning and 79.0MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-31 21:59:43,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.44ms. Allocated memory is still 163.6MB. Free memory was 79.0MB in the beginning and 75.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:59:43,100 INFO L158 Benchmark]: Boogie Preprocessor took 122.21ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 75.0MB in the beginning and 199.2MB in the end (delta: -124.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-10-31 21:59:43,100 INFO L158 Benchmark]: RCFGBuilder took 1282.12ms. Allocated memory is still 234.9MB. Free memory was 199.2MB in the beginning and 147.9MB in the end (delta: 51.2MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-10-31 21:59:43,101 INFO L158 Benchmark]: TraceAbstraction took 19526.53ms. Allocated memory was 234.9MB in the beginning and 746.6MB in the end (delta: 511.7MB). Free memory was 146.9MB in the beginning and 200.6MB in the end (delta: -53.7MB). Peak memory consumption was 458.0MB. Max. memory is 16.1GB. [2024-10-31 21:59:43,103 INFO L158 Benchmark]: Witness Printer took 168.28ms. Allocated memory is still 746.6MB. Free memory was 200.6MB in the beginning and 194.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 21:59:43,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 163.6MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.49ms. Allocated memory is still 163.6MB. Free memory was 117.0MB in the beginning and 79.0MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.44ms. Allocated memory is still 163.6MB. Free memory was 79.0MB in the beginning and 75.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.21ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 75.0MB in the beginning and 199.2MB in the end (delta: -124.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1282.12ms. Allocated memory is still 234.9MB. Free memory was 199.2MB in the beginning and 147.9MB in the end (delta: 51.2MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * TraceAbstraction took 19526.53ms. Allocated memory was 234.9MB in the beginning and 746.6MB in the end (delta: 511.7MB). Free memory was 146.9MB in the beginning and 200.6MB in the end (delta: -53.7MB). Peak memory consumption was 458.0MB. Max. memory is 16.1GB. * Witness Printer took 168.28ms. Allocated memory is still 746.6MB. Free memory was 200.6MB in the beginning and 194.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3973]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3952]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3942]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3974]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3969]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3975]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3976]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3907]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3913]: 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 4 procedures, 280 locations, 27 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: 19.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1088 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 666 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 348 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2938 IncrementalHoareTripleChecker+Invalid, 3286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 348 mSolverCounterUnsat, 72 mSDtfsCounter, 2938 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1383occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 753 NumberOfCodeBlocks, 753 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 742 ConstructedInterpolants, 0 QuantifiedInterpolants, 1298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 21:59:43,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0adb8ca2-eea0-417d-842f-4d681204d938/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE